SULFUR REGULATING TYPE - CR121
NON-SULFUR REGULATING TYPE - CR232 / CR244 / CR248
MIXED REGULATING TYPE - CR322
Polychloroprene Rubber CR 121
Appearance: Beige (or light brown) chips.
Description: A sulfur-modified polychloroprene rubber with medium crystallization rate. The density is 1.23. It has good resistance to tear and fiexure. It is similar to Du Pont's neoprene GNA and Denka's PM-40.
Application: For making rubber products such as conveyor belts, v belts, timing belts and cable sheath, etc.
Product Standard: Q/JYS11-2014
Specification:
| Item | CR1211 | CR1212 | |
|---|---|---|---|
| Mooney Viscosity ML 100℃ 1+4 | 35-45 | 46-60 | |
| Money Scorch (MSt5, min) | 30 | ||
| Tensile strength, MPa | 24 | ||
| Modulus at 500%, MPa | 1-5 | ||
| Elongation at break, % | 900 | ||
| Elongation at break, % | 1.5 | ||
| Ash content, % | 1.3 | ||
Packing: Packed in bags, 25 kg net weight each.
Shelf Life: One year below 20℃ and half a year below 30℃ from the date of production.
Polychloroprene Rubber CR 232
Appearance: Milk white chips.
Description: A xanthogen or dodecyl mercapfan modified polychloroprene rubber with medium crystallization rate. The density is 1.23. It has good heat resistance and high temperature stability. It is similar to Denka's M-40 and Du Pont's neoprene W.
Application: For making light-coloured rubber products, such as seals, dust covers, rubber rollers, liners, rubber dams and hose outer sheath, etc.
Product Standard: Q/JYS11-2014
Specification:
| Item | CR2321 | CR2322 | CR2323 |
|---|---|---|---|
| Mooney Viscosity ML 100℃ 1+4 | 35-45 | 46-55 | According to customer needs |
| Money Scorch (MSt5, min) | 11 | ||
| Tensile strength, MPa | 12 | ||
| Modulus at 500%, MPa | 1-5 | ||
| Elongation at break, % | 750 | ||
| Elongation at break, % | 1.5 | ||
| Ash content, % | 1.5 | ||
Packing: Packed in bags, 25 kg net weight each.
Shelf Life: One year below 20℃ and half a year below 30℃ from the date of production.
Polychloroprene Rubber CR 248
Appearance: Milk white chips.
Description: A xanthogen or dodecyl mercapfan modified polychloroprene rubber. The density is 1.23.
Application: In addition to the performance of CR244, it can be grafted and copolymerized with methyl methacrylate (MMA), acrylic acid (BA) and other active monomers to improve the adhesion performance of chloroprene adhesive to PVC, PU, EVA and other Synthetic materials.
Product Standard: Q/JYS11-2014
Specification:
| Item | Ⅰ | Ⅱ |
|---|---|---|
| Viscosity in 15% toluene solution, mPa.s | 1000 - 3000 | 3001 - 6000 |
| Peel Strength, N/cm ≥ | 70 | |
| Volatile, % ≤ | 1.2 | |
| Ash, % ≤ | 1.2 | |
Packing: Packed in bags, 25 kg net weight each.
Shelf Life: One year below 25℃ from the date of production.
Polychloroprene Rubber CR 322
Appearance: Beige (or light brown) chips.
Description: A sulfur and xanthogen mixed-modified polychloroprene rubber with medium crystallization rate. The density is 1.23. It has high tear strength, and has better processibility over sulfur-modified grade. It is similar to Du Pont's neoprene GW.
Application: For making rubber products such as belts, hoses and cable sheath, etc.
Product Standard: GB/T15257-2008
Specification:
| Item | CR3221 | CR3222 |
|---|---|---|
| Mooney Viscosity ML 100℃ 1+4 | 35-45 | 46-60 |
| Money Scorch (MSt5, min) | 25 | |
| Tensile strength, MPa | 26 | |
| Modulus at 500%, MPa | 1-5 | |
| Elongation at break, % | 800 | |
| Elongation at break, % | 1.5 | |
| Ash content, % | 1.5 | |
Packing: Packed in bags, 25 kg net weight each.
Shelf Life: One year below 20℃ and half a year below 30℃ from the date of production.