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KER® 1789

Category:	SBR, Emulsion , Emulsion Styrene Butadiene Rubber
Manufacturer:	Synthos S.A.
Trademark:	KER®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	VgGOK8_KER-1789.pdf
PRICE:	Order Products email sales@su-jiao.com

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Message
KER® 1789 is a grade of oil extended styrene-butadiene rubber. It is produced by a technology of cold emulsion copolymerization based on soaps of rosin and fatty acids and contains 40.0% of chemically bonded styrene. It is coagulated by a system of acid and synthetic coagulant, contains 27% (37.5 PHR) of extender oil with reduced content of polycyclic aromatics (RAE grade) and is stabilized by a staining antioxidant. APPLICATION KER® 1789 is appropriate for rubber compounds used for production of tyres including tyre re-treading, and various technical rubber articles. It is not approved for production of rubber articles coming into contact with food or drinking water.

Message

KER® 1789 is a grade of oil extended styrene-butadiene rubber. It is produced by a technology of cold emulsion copolymerization based on soaps of rosin and fatty acids and contains 40.0% of chemically bonded styrene. It is coagulated by a system of acid and synthetic coagulant, contains 27% (37.5 PHR) of extender oil with reduced content of polycyclic aromatics (RAE grade) and is stabilized by a staining antioxidant.

APPLICATION
KER® 1789 is appropriate for rubber compounds used for production of tyres including tyre re-treading, and various technical rubber articles.
It is not approved for production of rubber articles coming into contact with food or drinking water.

General Information
Additive	Antioxidant
Features	Antioxidant Copolymer
Forms	Bale

Physical	Nominal Value	Unit	Test Method
Mooney Viscosity (ML 1+4, 100°C)	50 to 60	MU	ASTM D1646
Bound Styrene	38.5 to 41.5	%	ASTM D5775
Ash Content	< 0.4	wt%	ASTM D5667
Oil Content	25 to 29	wt%	ASTM D5774
Organic Acid	4.0 to 6.0	wt%	ASTM D5774
Soap	< 0.4	wt%	ASTM D5774
Volatile Matter	< 0.80	wt%	ASTM D5668

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