Overview
Neoprene Chloroprene Rubber CR121 is a chloroprene polymer with sulfur as a modifier. It has a medium-low crystallization rate, a density of 1.23, and is a beige or light brown lumpy substance. It possesses good tear resistance and flexural strength. This product is similar to Dupont Neoprene GNA and Denka Chloroprene PM-40.
General properties
Chemical Name: Chloroprene Rubber
Grade: Neoprene Chloroprene Rubber CR121
Product Standard: GB/T14647-2008
Technical Data:
| Item | Index | ||
|
Mooney Viscosity （ML100℃ 1+4) |
CR1211 | CR1212 | |
| 20-40 | 41-60 | ||
|
Mooney Scorch （MSt5, min) |
30 | ||
| Tensile strength, MPa | 24 | ||
| Modulus at 500℃，MPa | 2-5 | ||
| Elongation at break, ≥ % | 900 | ||
| Volatile matter, ≤ % | 1.5 | ||
| Ash content, ≤ % | 1.5 | ||
| Appearance | Light brown chips | ||
Applications:
1. Power Transmission: Conveyor belts (especially mining conveyor belts), V-belts, synchronous belts, and drive belts must be abrasion-resistant and flame-retardant.
2. Cables and Wires: Sheaths and outer jackets of mining cables and flexible cables, as well as general electrical insulation materials with high fire resistance requirements.
3. Hose and Seals: Various hoses (fuel hoses, oil lines, general-purpose hoses), gaskets, and industrial mechanical seals.
4. Protective Equipment: Rubber boots, tarpaulins, and protective covers.
Package:
Packed in paper bags, net weight 25kg.
Storage:
From the date of production, the storage period is one year at temperatures below 20°C and six months at temperatures below 30°C.
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Overview Neoprene Chloroprene Rubber CR121 is a chloroprene polymer with sulfur as a modifier. It has a medium-low crystallization rate, a density of 1.23, and is a beige or light brown lumpy substance. It possesses good tear resistance and flexural strength. This product is similar to Dupont Neoprene GNA and Denka Chloroprene PM-40.
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