CN106830993A - A kind of preparation method of explosion-proof hollow foam ceramics - Google Patents
A kind of preparation method of explosion-proof hollow foam ceramics Download PDFInfo
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Abstract
The invention discloses a kind of preparation method of explosion-proof hollow foam ceramics, its raw material includes carborundum, aluminum oxide, kaolin, talcum powder, bentonite, sodium tripolyphosphate, acrylamide, alkali metal salt, sodium carboxymethylcellulose, bonding agent, sintering aid, foaming agent and blowing promotor.The preparation method of the explosion-proof hollow foam ceramics of the present invention, acrylamide, Ludox, bonding agent, foaming agent and blowing promotor are added by being arranged in base-material, reached carries out raising hardness to foamed ceramics, strengthen the effect of explosion-proof performance, by the foams for setting cylindrical cavity, the effect that hollow treatment is carried out to foamed ceramics is reached, explosion-proof hollow foam ceramics are finally given, causes explosion-proof easily to be burst with solid foam ceramics so as to solve the problems, such as that common stock foamed ceramics hardness is low.
Description
Technical field
The present invention relates to foamed ceramics technical field, specially a kind of preparation method of explosion-proof hollow foam ceramics.
Background technology
The development of foam ceramic material starts from 20 century 70s, is a kind of porous material with hot properties.Its hole
From nanoscale to micron order, between 20%~95%, temperature in use is normal temperature~1600 DEG C to the porosity in footpath.
Foamed ceramics can be generally divided into two classes, i.e. perforate (netted) ceramic material and closed pore ceramic material, and this depends on
Whether there is solid wall surface in each hole.If the solid for forming foams is only contained in the rib of hole, referred to as perforate
Ceramic material, its hole is interconnected；If there is solid wall surface, then foams are referred to as closed pore ceramic material, therein
Hole is mutually separated by continuous ceramic matrix.But not only there is perforate hole but also there is a small amount of closed pore hole in most of foamed ceramics
Gap.What in general the diameter of hole was less than 2nm is poromerics；Hole between 2~50nm is mesoporous material；Hole exists
More than 50nm's is grand Porous materials.
Foamed ceramics is successfully developed using ceramic slurries such as aluminum oxide, kaolin from American invention in 1978, be used for
After aluminium alloy casting filtering, the country such as English, day, moral, Switzerland has competitively carried out research, and production technology is increasingly advanced, technology dress
It is standby to have been developed that various material increasingly to mechanization, automation development, it is suitable for the ceramic foam filter of different purposes,
Such as A12O3, ZrO2, SiC, silicon nitride, boride high-temperature floamed ceramic, what is had be also added into certain mineral, such as mullite,
Cordierite, flyash, gangue etc., product seriation, standardization, form a new industry.
Current foamed ceramics has been applied to multiple sciemtifec and technical spheres, but because foamed ceramics hardness is relatively low, it is solid easily to draw
The problems such as playing the explosion in process, greatly hinders the application of foamed ceramics, so needing a kind of explosion-proof hollow foam ceramics
Preparation method.
The content of the invention
(1) technical problem for solving
In view of the shortcomings of the prior art, the invention provides a kind of preparation method of explosion-proof hollow foam ceramics, solve
Regular-type foam ceramic hardness is low cause can not the easy explosion of explosion-proof and solid foam ceramics problem.
(2) technical scheme
To achieve the above object, the present invention provides following technical scheme：A kind of preparation method of explosion-proof hollow foam ceramics,
Its raw material include carborundum, aluminum oxide, kaolin, talcum powder, bentonite, sodium tripolyphosphate, acrylamide, alkali metal salt,
Sodium carboxymethylcellulose, bonding agent, sintering aid, foaming agent and blowing promotor.
2. a kind of preparation method of explosion-proof hollow foam ceramics, its step is：
S1, base-material are prepared, take that carborundum is a, aluminum oxide is a, kaolin is a, talcum powder is a, bentonite is a,
It is well mixed in sodium tripolyphosphate portion, acrylamide portion and a addition beaker of alkali metal salt and obtains mixed resin.
S2, slurry is produced, take sodium carboxymethylcellulose and each portion of mixed resin, mixed resin is put into beaker, carboxylic first
During base sodium cellulosate is poured into equipped with mixed resin beaker, plus distilled water is well mixed, add Ludox, bonding agent, foaming agent and
Blowing promotor obtains slurry after planetary mills ball milling 3h-3.5h is put into after being sufficiently stirred for.
S3, hanging extruding, take foams as carrying out hanging in slurry, then are extruded with roll squeezer, remove foams
On additional size.
Foams after being extruded in S3 are dried at room temperature for 24h-30h by S4, dry firing, and dried foams are put
Enter to aoxidize kiln to aoxidize 70-100 minutes, calcining kiln firing is put into after oxidation and obtains within 100-140 minutes explosion-proof hollow foam ceramics.
S5, annealing, by firing after explosion-proof hollow foam ceramics load annealing kiln annealing.
Preferably, carborundum 70-78%, aluminum oxide 5-7%, kaolin 7-15%, the talcum powder in the step S1
1.5-2.5%, bentonite 2-3.5%, sodium tripolyphosphate 1.5-3%, acrylamide 1.5-2% and alkali metal salt 3-5%, it is described
The granularity of carborundum is 0.3-2 microns, and the alkali metal salt is the slaine of sodium potassium.
Preferably, the sodium carboxymethylcellulose in the step S2 is the 0.7-1% of mixed resin in step S1, described mixed
It is 70-87 that base-material is closed with the proportion of foaming agent and blowing promotor：6-8：10-15, the mixed resin is matched somebody with somebody with bonding agent
Than being 20-35%.
Preferably, the foams in the step S4 are cylindrical cavity, and the temperature in the oxidation kiln is 600-950
DEG C, the internal temperature of the calcining kiln is 1150-1250 DEG C.
Preferably, the internal temperature in the step S5 annealing kilns is down to natural cooling after room temperature by 1250 DEG C, finally
To explosion-proof hollow foam ceramics.
(3) beneficial effect
The invention provides a kind of preparation method of explosion-proof hollow foam ceramics, possesses following beneficial effect：
(1) preparation method of explosion-proof hollow foam ceramics of the invention, adds acrylamide, silicon molten by being arranged in base-material
Glue, bonding agent, foaming agent and blowing promotor, having reached carries out raising hardness to foamed ceramics, strengthens the effect of explosion-proof performance.
(2) preparation method of explosion-proof hollow foam ceramics of the invention, by setting the foams of cylindrical cavity, reaches
The effect of hollow treatment is carried out to foamed ceramics, explosion-proof hollow foam ceramics are finally given, so as to solve common stock foam pottery
Porcelain hardness is low cause can not the easy explosion of explosion-proof and solid foam ceramics problem.
Specific embodiment
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made
The every other embodiment for obtaining, belongs to the scope of protection of the invention.
The present invention provides a kind of technical scheme：A kind of preparation method of explosion-proof hollow foam ceramics, its raw material include carbon
SiClx, aluminum oxide, kaolin, talcum powder, bentonite, sodium tripolyphosphate, acrylamide, alkali metal salt, sodium carboxymethylcellulose,
Bonding agent, sintering aid, foaming agent and blowing promotor.
2. a kind of preparation method of explosion-proof hollow foam ceramics, its step is：
S1, base-material are prepared, take that carborundum is a, aluminum oxide is a, kaolin is a, talcum powder is a, bentonite is a,
It is well mixed in sodium tripolyphosphate portion, acrylamide portion and a addition beaker of alkali metal salt and obtains mixed resin, step
Carborundum 70-78%, aluminum oxide 5-7%, kaolin 7-15%, talcum powder 1.5-2.5%, bentonite 2-3.5%, three in S1
Polyphosphate sodium 1.5-3%, acrylamide 1.5-2% and alkali metal salt 3-5%, the granularity of carborundum is 0.3-2 microns, alkali metal
Salt is the slaine of sodium potassium.
S2, slurry is produced, take sodium carboxymethylcellulose and each portion of mixed resin, mixed resin is put into beaker, carboxylic first
During base sodium cellulosate is poured into equipped with mixed resin beaker, plus distilled water is well mixed, add Ludox, bonding agent, foaming agent and
Blowing promotor obtains slurry after planetary mills ball milling 3h-3.5h is put into after being sufficiently stirred for, and the sodium carboxymethylcellulose in step S2 is
The 0.7-1% of mixed resin in step S1, mixed resin is 70-87 with the proportion of foaming agent and blowing promotor：6-8：10-
15, mixed resin is 20-35% with the proportioning of bonding agent, and acrylamide, Ludox, bonding are added by being arranged in base-material
Agent, foaming agent and blowing promotor, having reached carries out raising hardness to foamed ceramics, strengthens the effect of explosion-proof performance.
S3, hanging extruding, take foams as carrying out hanging in slurry, then are extruded with roll squeezer, remove foams
On additional size.
Foams after being extruded in S3 are dried at room temperature for 24h-30h by S4, dry firing, and dried foams are put
Enter to aoxidize kiln to aoxidize 70-100 minutes, calcining kiln firing is put into after oxidation and obtains within 100-140 minutes explosion-proof hollow foam ceramics, step
Foams in rapid S4 are cylindrical cavity, and by setting the foams of cylindrical cavity, reached carries out sky to foamed ceramics
The effect of heart treatment, finally gives explosion-proof hollow foam ceramics, and so as to solve common stock foamed ceramics hardness, low cause can not
The problem that enough explosion-proof and solid foam ceramics easily burst, the temperature in oxidation kiln is 600-950 DEG C, the internal temperature of calcining kiln
It is 1150-1250 DEG C.
S5, annealing, by firing after explosion-proof hollow foam ceramics load annealing kiln annealing, step S5 annealing kilns
In internal temperature be down to natural cooling after room temperature by 1250 DEG C, finally obtain explosion-proof hollow foam ceramics.
Embodiment one
A kind of preparation method of explosion-proof hollow foam ceramics, its raw material include carborundum, aluminum oxide, kaolin, talcum
Powder, bentonite, sodium tripolyphosphate, acrylamide, alkali metal salt, sodium carboxymethylcellulose, bonding agent, sintering aid, foaming agent and
Blowing promotor.
2. a kind of preparation method of explosion-proof hollow foam ceramics, its step is：
S1, base-material are prepared, take that carborundum is a, aluminum oxide is a, kaolin is a, talcum powder is a, bentonite is a,
It is well mixed in sodium tripolyphosphate portion, acrylamide portion and a addition beaker of alkali metal salt and obtains mixed resin, step
Carborundum 70%, aluminum oxide 5%, kaolin 7% in S1, talcum powder 1.5%, bentonite 2%, sodium tripolyphosphate 1.5%, third
Acrylamide 1.5% and alkali metal salt 3%, the granularity of carborundum is 0.3 micron, and alkali metal salt is the slaine of sodium potassium.
S2, slurry is produced, take sodium carboxymethylcellulose and each portion of mixed resin, mixed resin is put into beaker, carboxylic first
During base sodium cellulosate is poured into equipped with mixed resin beaker, plus distilled water is well mixed, add Ludox, bonding agent, foaming agent and
Blowing promotor obtains slurry after planetary mills ball milling 3h-3.5h is put into after being sufficiently stirred for, and the sodium carboxymethylcellulose in step S2 is
The 0.7% of mixed resin in step S1, mixed resin is 70 with the proportion of foaming agent and blowing promotor：6：10, mixed base
Material is 20% with the proportioning of bonding agent, and acrylamide, Ludox, bonding agent, foaming agent and hair are added by being arranged in base-material
Bubble auxiliary agent, having reached carries out raising hardness to foamed ceramics, strengthens the effect of explosion-proof performance.
S3, hanging extruding, take foams as carrying out hanging in slurry, then are extruded with roll squeezer, remove foams
On additional size.
Foams after being extruded in S3 are dried at room temperature for 24h-30h by S4, dry firing, and dried foams are put
Enter to aoxidize kiln to aoxidize 70-100 minutes, calcining kiln firing is put into after oxidation and obtains within 100-140 minutes explosion-proof hollow foam ceramics, step
Foams in rapid S4 are cylindrical cavity, and by setting the foams of cylindrical cavity, reached carries out sky to foamed ceramics
The effect of heart treatment, finally gives explosion-proof hollow foam ceramics, and so as to solve common stock foamed ceramics hardness, low cause can not
The problem that enough explosion-proof and solid foam ceramics easily burst, the temperature in oxidation kiln is 600-950 DEG C, the internal temperature of calcining kiln
It is 1150-1250 DEG C.
S5, annealing, by firing after explosion-proof hollow foam ceramics load annealing kiln annealing, step S5 annealing kilns
In internal temperature be down to natural cooling after room temperature by 1250 DEG C, finally obtain explosion-proof hollow foam ceramics.
Embodiment two
A kind of preparation method of explosion-proof hollow foam ceramics, its raw material include carborundum, aluminum oxide, kaolin, talcum
Powder, bentonite, sodium tripolyphosphate, acrylamide, alkali metal salt, sodium carboxymethylcellulose, bonding agent, sintering aid, foaming agent and
Blowing promotor.
2. a kind of preparation method of explosion-proof hollow foam ceramics, its step is：
S1, base-material are prepared, take that carborundum is a, aluminum oxide is a, kaolin is a, talcum powder is a, bentonite is a,
It is well mixed in sodium tripolyphosphate portion, acrylamide portion and a addition beaker of alkali metal salt and obtains mixed resin, step
Carborundum 75%, aluminum oxide 6%, kaolin 10% in S1, talcum powder 2%, bentonite 2.5%, sodium tripolyphosphate 2%, third
Acrylamide 1.7% and alkali metal salt 4%, the granularity of carborundum is 0.8 micron, and alkali metal salt is the slaine of sodium potassium.
S2, slurry is produced, take sodium carboxymethylcellulose and each portion of mixed resin, mixed resin is put into beaker, carboxylic first
During base sodium cellulosate is poured into equipped with mixed resin beaker, plus distilled water is well mixed, add Ludox, bonding agent, foaming agent and
Blowing promotor obtains slurry after planetary mills ball milling 3h-3.5h is put into after being sufficiently stirred for, and the sodium carboxymethylcellulose in step S2 is
The 0.8% of mixed resin in step S1, mixed resin is 75 with the proportion of foaming agent and blowing promotor：7：12, mixed base
Material is 25% with the proportioning of bonding agent, and acrylamide, Ludox, bonding agent, foaming agent and hair are added by being arranged in base-material
Bubble auxiliary agent, having reached carries out raising hardness to foamed ceramics, strengthens the effect of explosion-proof performance.
S3, hanging extruding, take foams as carrying out hanging in slurry, then are extruded with roll squeezer, remove foams
On additional size.
Foams after being extruded in S3 are dried at room temperature for 24h-30h by S4, dry firing, and dried foams are put
Enter to aoxidize kiln to aoxidize 70-100 minutes, calcining kiln firing is put into after oxidation and obtains within 100-140 minutes explosion-proof hollow foam ceramics, step
Foams in rapid S4 are cylindrical cavity, and by setting the foams of cylindrical cavity, reached carries out sky to foamed ceramics
The effect of heart treatment, finally gives explosion-proof hollow foam ceramics, and so as to solve common stock foamed ceramics hardness, low cause can not
The problem that enough explosion-proof and solid foam ceramics easily burst, the temperature in oxidation kiln is 600-950 DEG C, the internal temperature of calcining kiln
It is 1150-1250 DEG C.
S5, annealing, by firing after explosion-proof hollow foam ceramics load annealing kiln annealing, step S5 annealing kilns
In internal temperature be down to natural cooling after room temperature by 1250 DEG C, finally obtain explosion-proof hollow foam ceramics.
Embodiment three
A kind of preparation method of explosion-proof hollow foam ceramics, its raw material include carborundum, aluminum oxide, kaolin, talcum
Powder, bentonite, sodium tripolyphosphate, acrylamide, alkali metal salt, sodium carboxymethylcellulose, bonding agent, sintering aid, foaming agent and
Blowing promotor.
2. a kind of preparation method of explosion-proof hollow foam ceramics, its step is：
S1, base-material are prepared, take that carborundum is a, aluminum oxide is a, kaolin is a, talcum powder is a, bentonite is a,
It is well mixed in sodium tripolyphosphate portion, acrylamide portion and a addition beaker of alkali metal salt and obtains mixed resin, step
Carborundum 78%, aluminum oxide 7%, kaolin 13%, talcum powder 2.3%, bentonite 3%, sodium tripolyphosphate 2.5% in S1,
Acrylamide 1.9% and alkali metal salt 5%, the granularity of carborundum is 1.5 microns, and alkali metal salt is the slaine of sodium potassium.
S2, slurry is produced, take sodium carboxymethylcellulose and each portion of mixed resin, mixed resin is put into beaker, carboxylic first
During base sodium cellulosate is poured into equipped with mixed resin beaker, plus distilled water is well mixed, add Ludox, bonding agent, foaming agent and
Blowing promotor obtains slurry after planetary mills ball milling 3h-3.5h is put into after being sufficiently stirred for, and the sodium carboxymethylcellulose in step S2 is
The 1% of mixed resin in step S1, mixed resin is 83 with the proportion of foaming agent and blowing promotor：8：14, mixed resin
It is 30% with the proportioning of bonding agent, acrylamide, Ludox, bonding agent, foaming agent and foaming is added by being arranged in base-material
Auxiliary agent, having reached carries out raising hardness to foamed ceramics, strengthens the effect of explosion-proof performance.
S3, hanging extruding, take foams as carrying out hanging in slurry, then are extruded with roll squeezer, remove foams
On additional size.
Foams after being extruded in S3 are dried at room temperature for 24h-30h by S4, dry firing, and dried foams are put
Enter to aoxidize kiln to aoxidize 70-100 minutes, calcining kiln firing is put into after oxidation and obtains within 100-140 minutes explosion-proof hollow foam ceramics, step
Foams in rapid S4 are cylindrical cavity, and by setting the foams of cylindrical cavity, reached carries out sky to foamed ceramics
The effect of heart treatment, finally gives explosion-proof hollow foam ceramics, and so as to solve common stock foamed ceramics hardness, low cause can not
The problem that enough explosion-proof and solid foam ceramics easily burst, the temperature in oxidation kiln is 600-950 DEG C, the internal temperature of calcining kiln
It is 1150-1250 DEG C.
S5, annealing, by firing after explosion-proof hollow foam ceramics load annealing kiln annealing, step S5 annealing kilns
In internal temperature be down to natural cooling after room temperature by 1250 DEG C, finally obtain explosion-proof hollow foam ceramics.
In sum, a kind of preparation method of explosion-proof hollow foam ceramics of the present invention, third is added by being arranged in base-material
Acrylamide, Ludox, bonding agent, foaming agent and blowing promotor, having reached carries out raising hardness to foamed ceramics, strengthens explosion-proof
The effect of energy, by setting the foams of cylindrical cavity, has reached the effect that hollow treatment is carried out to foamed ceramics, final to obtain
To explosion-proof hollow foam ceramics, so as to solve common stock foamed ceramics hardness, low cause can not explosion-proof and solid foam ceramics
The problem for easily bursting.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (6)
1. a kind of preparation method of explosion-proof hollow foam ceramics, it is characterised in that：Its raw material includes carborundum, aluminum oxide, height
Ridge soil, talcum powder, bentonite, sodium tripolyphosphate, acrylamide, alkali metal salt, sodium carboxymethylcellulose, bonding agent, sintering aid,
Foaming agent and blowing promotor.
2. a kind of preparation method of explosion-proof hollow foam ceramics, its step is：
S1, base-material preparation, take a a carborundum, aluminum oxide portion, kaolin, talcum powder portion, bentonite portion, trimerization
It is well mixed in sodium phosphate portion, acrylamide portion and a addition beaker of alkali metal salt and obtains mixed resin；
S2, slurry is produced, take sodium carboxymethylcellulose and each portion of mixed resin, mixed resin is put into beaker, carboxymethyl is fine
During the plain sodium of dimension is poured into equipped with mixed resin beaker, plus distilled water is well mixed, adds Ludox, bonding agent, foaming agent and foaming
Auxiliary agent obtains slurry after planetary mills ball milling 3h-3.5h is put into after being sufficiently stirred for；
S3, hanging extruding, take foams as carrying out hanging in slurry, then are extruded with roll squeezer, remove on foams
Additional size；
Foams after being extruded in S3 are dried at room temperature for 24h-30h by S4, dry firing, and dried foams are put into oxygen
Change kiln to aoxidize 70-100 minutes, calcining kiln firing is put into after oxidation and obtains within 100-140 minutes explosion-proof hollow foam ceramics；
S5, annealing, by firing after explosion-proof hollow foam ceramics load annealing kiln annealing.
3. the preparation method of a kind of explosion-proof hollow foam ceramics according to claim 2, it is characterised in that：The step S1
In carborundum 70-78%, aluminum oxide 5-7%, kaolin 7-15%, talcum powder 1.5-2.5%, bentonite 2-3.5%, trimerization
Sodium phosphate 1.5-3%, acrylamide 1.5-2% and alkali metal salt 3-5%, the granularity of the carborundum is 0.3-2 microns, described
Alkali metal salt is the slaine of sodium potassium.
4. the preparation method of a kind of explosion-proof hollow foam ceramics according to claim 2, it is characterised in that：The step S2
In sodium carboxymethylcellulose be the 0.7-1% of mixed resin in step S1, the mixed resin and foaming agent and blowing promotor
Proportion be 70-87：6-8：10-15, the mixed resin is 20-35% with the proportioning of bonding agent.
5. the preparation method of a kind of explosion-proof hollow foam ceramics according to claim 2, it is characterised in that：The step S4
In foams be cylindrical cavity, temperature in the oxidation kiln is 600-950 DEG C, and the internal temperature of the calcining kiln is
1150-1250℃。
6. the preparation method of a kind of explosion-proof hollow foam ceramics according to claim 2, it is characterised in that：The step S5
Internal temperature in annealing kiln is down to natural cooling after room temperature by 1250 DEG C, finally obtains explosion-proof hollow foam ceramics.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60108480A (en) * | 1983-11-16 | 1985-06-13 | Sakura Color Prod Corp | Water color composition |
| JPS60200874A (en) * | 1984-03-22 | 1985-10-11 | 東洋ゴム工業株式会社 | Manufacture of ceramic foam |
| CN103449802A (en) * | 2013-08-06 | 2013-12-18 | 南昌大学 | Complex-phase aluminium oxide foam ceramic material and preparation method thereof |
| CN103553704A (en) * | 2013-11-08 | 2014-02-05 | 武汉理工大学 | Method for preparing high-temperature dust removal ceramic filter pipe by utilizing andalusite |
| CN105036788A (en) * | 2015-09-01 | 2015-11-11 | 中国科学院重庆绿色智能技术研究院 | Preparation method of foamed ceramic |
| CN105884363A (en) * | 2014-12-09 | 2016-08-24 | 任海涛 | Preparation technology of silicon carbide foam ceramic |
| CN105924206A (en) * | 2016-04-21 | 2016-09-07 | 广东摩德娜科技股份有限公司 | Production method for heat-preserving and anti-explosion foam ceramic |
-
2017
- 2017-03-31 CN CN201710209775.3A patent/CN106830993A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60108480A (en) * | 1983-11-16 | 1985-06-13 | Sakura Color Prod Corp | Water color composition |
| JPS60200874A (en) * | 1984-03-22 | 1985-10-11 | 東洋ゴム工業株式会社 | Manufacture of ceramic foam |
| CN103449802A (en) * | 2013-08-06 | 2013-12-18 | 南昌大学 | Complex-phase aluminium oxide foam ceramic material and preparation method thereof |
| CN103553704A (en) * | 2013-11-08 | 2014-02-05 | 武汉理工大学 | Method for preparing high-temperature dust removal ceramic filter pipe by utilizing andalusite |
| CN105884363A (en) * | 2014-12-09 | 2016-08-24 | 任海涛 | Preparation technology of silicon carbide foam ceramic |
| CN105036788A (en) * | 2015-09-01 | 2015-11-11 | 中国科学院重庆绿色智能技术研究院 | Preparation method of foamed ceramic |
| CN105924206A (en) * | 2016-04-21 | 2016-09-07 | 广东摩德娜科技股份有限公司 | Production method for heat-preserving and anti-explosion foam ceramic |
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