NL8004255A - Portland cementklinker, werkwijze voor de bereiding van portland cementklinker, cement en werkwijze voor de bereiding van cement. - Google Patents

Portland cementklinker, werkwijze voor de bereiding van portland cementklinker, cement en werkwijze voor de bereiding van cement. Download PDF

Info

Publication number: NL8004255A
Authority: NL; Netherlands
Prior art keywords: clinker; cement; sulfate; vowel; alkali metal
Prior art date: 1979-08-01

Application number

NL8004255A

Other languages

English (en)

Dutch (nl)

Original Assignee

Blue Circle Ind Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1979-08-01

Filing date

1980-07-24

Publication date

1981-02-03

1980-07-24 Application filed by Blue Circle Ind Ltd filed Critical Blue Circle Ind Ltd

1981-02-03 Publication of NL8004255A publication Critical patent/NL8004255A/nl

Links

239000004568 cement Substances 0.000 title claims description 35
238000000034 method Methods 0.000 title claims description 10
239000011398 Portland cement Substances 0.000 title claims description 8
238000002360 preparation method Methods 0.000 title claims description 4
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 33
239000000203 mixture Substances 0.000 claims description 17
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 15
229910052783 alkali metal Inorganic materials 0.000 claims description 11
150000001340 alkali metals Chemical class 0.000 claims description 11
229910021653 sulphate ion Inorganic materials 0.000 claims description 10
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
239000000463 material Substances 0.000 claims description 9
239000011593 sulfur Substances 0.000 claims description 9
229910052717 sulfur Inorganic materials 0.000 claims description 9
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
239000011575 calcium Substances 0.000 claims description 6
229910052791 calcium Inorganic materials 0.000 claims description 6
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
229910052736 halogen Inorganic materials 0.000 claims description 5
150000002367 halogens Chemical class 0.000 claims description 5
239000004606 Fillers/Extenders Substances 0.000 claims description 4
WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 4
229910001634 calcium fluoride Inorganic materials 0.000 claims description 4
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
229910052700 potassium Inorganic materials 0.000 claims description 3
239000011591 potassium Substances 0.000 claims description 3
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
229910052936 alkali metal sulfate Inorganic materials 0.000 claims description 2
239000003795 chemical substances by application Substances 0.000 claims description 2
229910052731 fluorine Inorganic materials 0.000 claims description 2
239000011737 fluorine Substances 0.000 claims description 2
230000002028 premature Effects 0.000 claims description 2
239000000377 silicon dioxide Substances 0.000 claims description 2
235000012239 silicon dioxide Nutrition 0.000 claims description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
235000014676 Phragmites communis Nutrition 0.000 claims 1
229910052782 aluminium Inorganic materials 0.000 claims 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
230000002401 inhibitory effect Effects 0.000 claims 1
229910052708 sodium Inorganic materials 0.000 claims 1
239000011734 sodium Substances 0.000 claims 1
239000000292 calcium oxide Substances 0.000 description 12
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 12
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 7
239000007858 starting material Substances 0.000 description 7
235000011132 calcium sulphate Nutrition 0.000 description 5
239000002994 raw material Substances 0.000 description 5
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
239000000654 additive Substances 0.000 description 4
235000013339 cereals Nutrition 0.000 description 4
229910052602 gypsum Inorganic materials 0.000 description 4
239000010440 gypsum Substances 0.000 description 4
239000004848 polyfunctional curative Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
238000005452 bending Methods 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
239000004567 concrete Substances 0.000 description 3
235000013601 eggs Nutrition 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
235000008733 Citrus aurantifolia Nutrition 0.000 description 2
244000000626 Daucus carota Species 0.000 description 2
235000002767 Daucus carota Nutrition 0.000 description 2
235000011941 Tilia x europaea Nutrition 0.000 description 2
BYFGZMCJNACEKR-UHFFFAOYSA-N aluminium(i) oxide Chemical group [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 2
235000015895 biscuits Nutrition 0.000 description 2
239000004927 clay Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000000446 fuel Substances 0.000 description 2
125000001475 halogen functional group Chemical group 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
239000004571 lime Substances 0.000 description 2
238000002156 mixing Methods 0.000 description 2
239000004570 mortar (masonry) Substances 0.000 description 2
OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
229910052939 potassium sulfate Inorganic materials 0.000 description 2
235000011151 potassium sulphates Nutrition 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
239000000126 substance Substances 0.000 description 2
150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
MQWCQFCZUNBTCM-UHFFFAOYSA-N 2-tert-butyl-6-(3-tert-butyl-2-hydroxy-5-methylphenyl)sulfanyl-4-methylphenol Chemical compound CC(C)(C)C1=CC(C)=CC(SC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O MQWCQFCZUNBTCM-UHFFFAOYSA-N 0.000 description 1
240000000396 Aiphanes minima Species 0.000 description 1
235000014621 Aiphanes minima Nutrition 0.000 description 1
244000291564 Allium cepa Species 0.000 description 1
235000002732 Allium cepa var. cepa Nutrition 0.000 description 1
239000005995 Aluminium silicate Substances 0.000 description 1
101000878595 Arabidopsis thaliana Squalene synthase 1 Proteins 0.000 description 1
241000252505 Characidae Species 0.000 description 1
229910017344 Fe2 O3 Inorganic materials 0.000 description 1
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
235000019738 Limestone Nutrition 0.000 description 1
241000784287 Ochrosia mariannensis Species 0.000 description 1
229910004298 SiO 2 Inorganic materials 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
229920000535 Tan II Polymers 0.000 description 1
241000030538 Thecla Species 0.000 description 1
239000002671 adjuvant Substances 0.000 description 1
230000002411 adverse Effects 0.000 description 1
229910001413 alkali metal ion Inorganic materials 0.000 description 1
235000012211 aluminium silicate Nutrition 0.000 description 1
229910052925 anhydrite Inorganic materials 0.000 description 1
239000002956 ash Substances 0.000 description 1
229940030850 avar Drugs 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
239000001175 calcium sulphate Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 1
238000002485 combustion reaction Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000000470 constituent Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
239000013256 coordination polymer Substances 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
230000018044 dehydration Effects 0.000 description 1
238000006297 dehydration reaction Methods 0.000 description 1
238000005553 drilling Methods 0.000 description 1
210000005069 ears Anatomy 0.000 description 1
210000003278 egg shell Anatomy 0.000 description 1
239000003925 fat Substances 0.000 description 1
235000013312 flour Nutrition 0.000 description 1
239000010881 fly ash Substances 0.000 description 1
239000004519 grease Substances 0.000 description 1
150000004677 hydrates Chemical class 0.000 description 1
230000036571 hydration Effects 0.000 description 1
238000006703 hydration reaction Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
230000002427 irreversible effect Effects 0.000 description 1
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
239000006028 limestone Substances 0.000 description 1
230000007774 longterm Effects 0.000 description 1
238000003754 machining Methods 0.000 description 1
230000001089 mineralizing effect Effects 0.000 description 1
150000002825 nitriles Chemical class 0.000 description 1
239000003921 oil Substances 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000011505 plaster Substances 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000002243 precursor Substances 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
239000004576 sand Substances 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
229910052814 silicon oxide Inorganic materials 0.000 description 1
239000007787 solid Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000008107 starch Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
- C04B7/42—Active ingredients added before, or during, the burning process
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/02—Portland cement

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Organic Chemistry (AREA)
Curing Cements, Concrete, And Artificial Stone (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

NL8004255A 1979-08-01 1980-07-24 Portland cementklinker, werkwijze voor de bereiding van portland cementklinker, cement en werkwijze voor de bereiding van cement. NL8004255A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB7926766		1979-08-01
GB7926766		1979-08-01

Publications (1)

Publication Number	Publication Date
NL8004255A true NL8004255A (nl)	1981-02-03

Family

ID=10506917

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8004255A NL8004255A (nl)	1979-08-01	1980-07-24	Portland cementklinker, werkwijze voor de bereiding van portland cementklinker, cement en werkwijze voor de bereiding van cement.

Country Status (28)

Country	Link
JP (1)	JPS5637255A (da)
KR (1)	KR840001567B1 (da)
AR (1)	AR225640A1 (da)
AU (1)	AU531866B2 (da)
BE (1)	BE884441A (da)
BR (1)	BR8004767A (da)
CA (1)	CA1153024A (da)
CH (1)	CH646123A5 (da)
DE (1)	DE3028323A1 (da)
DK (1)	DK326080A (da)
EG (1)	EG14488A (da)
ES (1)	ES493847A0 (da)
FI (1)	FI802398A7 (da)
FR (1)	FR2462401B1 (da)
GR (1)	GR69348B (da)
IE (1)	IE50009B1 (da)
IN (1)	IN153287B (da)
IT (1)	IT1132275B (da)
MA (1)	MA18919A1 (da)
NL (1)	NL8004255A (da)
NO (1)	NO154692C (da)
NZ (1)	NZ194399A (da)
PH (1)	PH17452A (da)
PT (1)	PT71631A (da)
SE (1)	SE448230B (da)
TR (1)	TR20954A (da)
ZA (1)	ZA804335B (da)
ZW (1)	ZW16880A1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2131814T5 (es) †	1994-03-03	2005-03-16	F.L. SMIDTH & CO. A/S	Metodo e instalacion para fabricar clinker de cemento portland mineralizado.
DE19701291A1 (de) *	1997-01-16	1998-07-23	Walter Mayerhofer	Verfahren zur Herstellung von Portlandzement
RU2304562C2 (ru) *	2005-04-12	2007-08-20	Сергей Алексеевич Зубехин	Способ изготовления быстротвердеющего портландцемента и способ изготовления бетона на его основе
DE102010047923B4 (de) *	2010-10-08	2014-09-11	Ingenieurbüro Schießl Gehlen Sodeikat GmbH	Verwendung eines Mittels zum Vermindern von Dunkelverfärbungen an Sichtbetonoberflächen
FR2970962B1 (fr)	2011-01-28	2022-04-15	Lafarge Sa	Composition hydraulique a faible teneur en clinker

1980
- 1980-07-16 IE IE1475/80A patent/IE50009B1/en unknown
- 1980-07-17 ZA ZA00804335A patent/ZA804335B/xx unknown
- 1980-07-18 ZW ZW168/80A patent/ZW16880A1/xx unknown
- 1980-07-18 CA CA000356463A patent/CA1153024A/en not_active Expired
- 1980-07-21 NZ NZ194399A patent/NZ194399A/xx unknown
- 1980-07-22 AU AU60689/80A patent/AU531866B2/en not_active Ceased
- 1980-07-23 IN IN838/CAL/80A patent/IN153287B/en unknown
- 1980-07-23 BE BE0/201503A patent/BE884441A/fr not_active IP Right Cessation
- 1980-07-24 SE SE8005365A patent/SE448230B/sv not_active IP Right Cessation
- 1980-07-24 NL NL8004255A patent/NL8004255A/nl not_active Application Discontinuation
- 1980-07-25 DE DE19803028323 patent/DE3028323A1/de active Granted
- 1980-07-29 FR FR8016655A patent/FR2462401B1/fr not_active Expired
- 1980-07-29 TR TR20954A patent/TR20954A/xx unknown
- 1980-07-29 DK DK326080A patent/DK326080A/da not_active Application Discontinuation
- 1980-07-30 NO NO802284A patent/NO154692C/no unknown
- 1980-07-30 BR BR8004767A patent/BR8004767A/pt not_active IP Right Cessation
- 1980-07-30 ES ES493847A patent/ES493847A0/es active Granted
- 1980-07-30 GR GR62568A patent/GR69348B/el unknown
- 1980-07-30 MA MA19119A patent/MA18919A1/fr unknown
- 1980-07-31 IT IT23852/80A patent/IT1132275B/it active
- 1980-07-31 AR AR282010A patent/AR225640A1/es active
- 1980-07-31 FI FI802398A patent/FI802398A7/fi not_active Application Discontinuation
- 1980-07-31 PT PT71631A patent/PT71631A/pt unknown
- 1980-07-31 JP JP10444580A patent/JPS5637255A/ja active Granted
- 1980-07-31 CH CH586480A patent/CH646123A5/fr not_active IP Right Cessation
- 1980-08-01 PH PH24387A patent/PH17452A/en unknown
- 1980-08-01 KR KR1019800003073A patent/KR840001567B1/ko not_active Expired
- 1980-08-02 EG EG462/80A patent/EG14488A/xx active

Also Published As

Publication number	Publication date
DE3028323A1 (de)	1981-02-26
FR2462401B1 (fr)	1985-12-13
NO802284L (no)	1981-02-02
DE3028323C2 (da)	1987-10-01
SE8005365L (sv)	1981-03-12
MA18919A1 (fr)	1981-04-01
FR2462401A1 (fr)	1981-02-13
CH646123A5 (en)	1984-11-15
IE801475L (en)	1981-02-01
NZ194399A (en)	1982-05-25
CA1153024A (en)	1983-08-30
SE448230B (sv)	1987-02-02
TR20954A (tr)	1983-02-17
IN153287B (da)	1984-06-23
KR830003381A (ko)	1983-06-20
JPS61299B2 (da)	1986-01-07
NO154692C (no)	1986-12-03
BR8004767A (pt)	1981-03-24
DK326080A (da)	1981-02-02
ES8106471A1 (es)	1981-07-01
EG14488A (en)	1984-03-31
KR840001567B1 (ko)	1984-10-06
PT71631A (en)	1980-08-01
AR225640A1 (es)	1982-04-15
ES493847A0 (es)	1981-07-01
JPS5637255A (en)	1981-04-10
ZW16880A1 (en)	1980-09-10
PH17452A (en)	1984-08-29
IE50009B1 (en)	1986-01-22
ZA804335B (en)	1981-08-26
BE884441A (fr)	1981-01-23
AU531866B2 (en)	1983-09-08
IT1132275B (it)	1986-07-02
NO154692B (no)	1986-08-25
IT8023852A0 (it)	1980-07-31
FI802398A7 (fi)	1981-01-01
AU6068980A (en)	1981-02-05
GR69348B (da)	1982-05-18

Legal Events

Date	Code	Title
1982-08-02	BA	A request for search or an international-type search has been filed
1982-10-01	BB	A search report has been drawn up
1985-01-01	A85	Still pending on 85-01-01
1987-09-01	BC	A request for examination has been filed
2001-04-02	BV	The patent application has lapsed

Publication	Publication Date	Title
US3861928A (en)	1975-01-21	Hydraulic cement and method of producing same
CN105330182B (zh)	2017-07-11	一种白色快凝快硬高贝利特硫铝酸盐水泥熟料、应用及其生产工艺
DE69903036T2 (de)	2003-06-05	Alkali-aktiviertes bindemittel mit hohem gipsanteil
EP0021180B1 (de)	1983-06-08	Verfahren zur Beseitigung und wirtschaftlichen Verwertung des Rückstandes aus der Abgaswäsche von Feuerungen in Verbindung mit Abfallprodukten
JPS55102677A (en)	1980-08-06	Improvement in strength of hydrous soft ground
US4737191A (en)	1988-04-12	Process for manufacturing hydraulic binders
DE2632691A1 (de)	1977-02-10	Zement, verfahren zu dessen herstellung und vorrichtung zur durchfuehrung des verfahrens
CA2098975A1 (en)	1993-12-24	Grout composition
DE3821657A1 (de)	1989-12-28	Verfahren zum herstellen eines bindemittels und seine verwendung
NL8004255A (nl)	1981-02-03	Portland cementklinker, werkwijze voor de bereiding van portland cementklinker, cement en werkwijze voor de bereiding van cement.
GB2084985A (en)	1982-04-21	Cement setting regulator
DE3477305D1 (en)	1989-04-20	Process for conditioning contaminated waste by coating with cement
SE8500663L (sv)	1986-08-14	Forfarande for framstellning av betong
ATE10270T1 (de)	1984-11-15	Selbstnivellierende moertelmischung.
DE19501100A1 (de)	1996-07-18	Bindemittelmischung
GB1521019A (en)	1978-08-09	Process for the production of a hydraulic mortar or concrete
JP2657399B2 (ja)	1997-09-24	改良アスファルトマスチック
DE3636659A1 (de)	1987-04-30	Aktivierter asche-zement und verfahren zu seiner herstellung
AT505045B1 (de)	2009-05-15	Hydraulisches bindemittel
US2194777A (en)	1940-03-26	Cement
JPH0233659B2 (da)	1990-07-30
DE2744365B2 (da)	1979-05-31
DE19707038C1 (de)	1998-10-15	Verfahren zum Herstellen eines Bindemittels
JPS5727942A (en)	1982-02-15	Glaze
SU1025684A1 (ru)	1983-06-30	Комплексна добавка дл цементобетонной смеси