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KRALEX® 1723

Technical Datasheet | Supplied by Synthos Group

KRALEX® 1723 by Synthos Group is a styrene-butadiene rubber (SBR) type grade stabilized with a staining antioxidant. It is produced by cold emulsion copolymerization based on soaps of rosin & fatty acids and coagulated by acid and synthetic coagulant. It is free of mechanical impurities. Recommended for rubber compounds used in the production of car tyres including tyre re-treading, conveyor belts and technical rubber articles. Shelf life of KRALEX® 1723 is 12 months.

KRALEX® 1723 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Volatile Matters

< 0.75 %wt.

ASTM D5668

Mooney Viscosity

45 - 55 ML

(ML 1+4 (100°C) – massed)

ASTM D1646

Bonded Styrene Content

22.5 - 24.5 %wt.

ASTM D5775

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