- info@sapphirerubbers.com
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At Sapphire Reclaim Rubber Pvt. Ltd., we manufacture and supply EPDM (Ethylene Propylene Diene Monomer) Reclaim Rubber in the name of our brand SAPPHIRE. Our manufacturing plant in Rajkot, Gujarat, India, Is known for its environment-friendly production of Reclaimed Rubber.
Very fine grade reclaim rubber mainly used in extruted & molded products.
Factory rejects of microwave cured EPDM profile
The EPDM scrap is collected from a network of approved suppliers and is further segregated from foreign contamination to ensure only the EPDM material is taken for reclaiming. The entire process is divided into two phases. In the first phase, the scrap is passed through a number of stages to ensure that it is free of contaminants.
In second phase the material is depolymerized and filtered with screens from 60 to 100 Mesh for removing metal impurities through straining process and then further refined for crushing the rubber granules by the means of refining process with high quality rubber refiners to get the original depolymerized EPDM reclaim rubber at the end.
KEY GRADES | UNITS | STANDARDS | LIMITS | ||||
---|---|---|---|---|---|---|---|
PHYSICAL PROPERTIES | |||||||
Mooney Viscosity | ML (1+4)@100C | IS 6306-1971 | 50 ± 10 | ||||
Hardness | Shore A | IS 3400-1980 | 60 - 65 | ||||
Tensile Strength | kg/cm2 | IS 3400-1987 | 60 min | ||||
Elongation at Brake | % | IS 3400-1987 | 300 min | ||||
Specific Gravity | gm/cc | IS 6306-1971 | 1.16 max | ||||
CHEMICAL PROPERTIES | |||||||
Carbon Black | % | IS 6306-1971 | 20 min | ||||
Ash Content | % | IS 6306-1971 | 20 max | ||||
Acetone Extract | % | IS 6306-1971 | 30 ± 5 | ||||
Volatile Matter | % | 1 max | |||||
Polymer Content | % | IS 6306-1971 | 30 min | ||||
Curing | |||||||
30min @160°C | |||||||
Reclaim Rubber | 200 | ||||||
ZnO | 5 | ||||||
Sulphur | 2 | ||||||
TMTD | 1 | ||||||
MBTS | 0.5 |
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