KER ® 15 02 Styrene-Butadiene Rubber - SBR
Technical Data Sheet Date of edition: 18/04/2012 Edition: 4 Approved by: Zdeněk Herber, Product Manager Previous editions of this document have lost their validity.
Synthos Dwor tel. +48 33 844 18 21...25, fax +48 33 842 42 18.www.synthosgroup.com
CHARACTERISTICS KER® 1502 is a standard grade of styrene-butadiene rubber. It is produced by a technology of cold emulsion copolymerization based on soaps of rosin and fatty acids and contains 23.5% of chemically bonded styrene. It is coagulated by a system of acid and synthetic coagulant, does not contain extender oil and is stabilized by a non- staining antioxidant.
GENERAL REQUIREMENTS
Bales of synthetic rubber KER® 1502 should be close to dimensions 720360x180 mm. Presence of any mechanical impurities is not permitted.
TECHNICAL PARAMETERS
RUBBER TECHNICAL PARAMETERS
Parameters Units Values Test methods Mooney viscosity ML 1+4 (100°C) – massed °ML 45 ÷ 55 ASTM D1646 Volatile matters % wt. max. 0,7 ASTM D5668 Total ash % wt. max. 0,4 ASTM D5667 Organic acids % wt. 5,0 ÷ 7,5 ASTM D5774 Soaps % wt. max. 0,4 ASTM D5774 Bonded styrene % wt. 22 ÷ 25 ASTM D5775
Guaranteed values of relevant technical parameters of the product are each time agreed upon in the sales contract.
To each shipping lot/delivery a quality certificate including data on properties of the product determined during release control is issued. Scope of the testing which is covered by the quality certificate is each time agreed upon in the sales contract.
PACKAGING
KER® is baled to form of rubber blocks weighing 33 kg (± 0.5 kg).
Each bale is wrapped in PE film, which is an integral part of the product and on which labelling of a specific colour relating to the respective rubber grade is present.
The blocks are laid into returnable metal boxes. Net weight of each complete box is about 1200 kg. Alternatively it is possible supply product in wooden boxes, net weight of each complete box is about 1000 kg.
In case of wooden 1 000 kg boxes storage of the product in two (2) or more layers (stacking) is not permitted. Each box bears a self-adhesive label on which manufacturer’s name, product name and grade, production lot number, net and gross weight, production date and labelling required by relevant regulations (if needed) are given.
TRANSPORTATION KER® is typically transported in covered road trucks, in covered railway carriages and in standard shipping
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