1. POLYGRAND Topren CSM grades and specs

GRADE
CSM503 CSM603 CSM703 CSM803
Clorine content % 35±1.5 35±1.5 35±1.5 35±1.5
Sulphur content % 1.0~1.5 1.0~1.5 1.0~1.5 1.0~1.5
Volatile matter % ≤0.5 ≤0.5 ≤0.5 ≤0.5
Mooney viscosity
ML(1+4)100℃
55±5 65±5 75±5 90±5
Tensile strength MPa ≥20 ≥20 ≥23 ≥25
Elongation at break % ≥250 ≥250 ≥250 ≥250

2. Similar CSM grades from other suppliers

POLYGRAND CHEMICAL TOSOH DUPONT JIHUA Application
CSM-503 (chlorine content 35%, mooney viscosity
50-60)
TS-530 (chlorine content 35%, mooney viscosity 56) Hypalon40 (chlorine content 35%, mooney viscosity 56) CSM40M(CSM3305)(chlorine content 33-37%, mooney viscosity 51-60) Rubber hoses for automobile, special purpose rubber hoses, air seal and oil seal products, electric wires and cables, compounding, special purpose ruber rolls, special purpose rubberized fabric, etc.
CSM-603 (chlorine content 35%, mooney viscosity 60-70) CSM40H(CSM3306)(chlorine content 33-37%, mooney viscosity 61-70)
CSM-703 (chlorine content 35%,mooney viscosity 70-80) CSM40H(CSM3307)(chlorine content 33-37%, mooney viscosity 71-80)
CSM-803 (chlorine content 35%, mooney viscosity 85-95) TS-830 (chlorine content 36%, mooney viscosity 90) Hypalon4085 (chlorine content 35%, mooney viscosity 94) CSM40H(CSM3308)(chlorine content
33-37%, mooney viscosity 81-90)