CR232 Polychloroprene Rubber
Product Overview
CR232 is a high-performance polychloroprene rubber (chloroprene rubber) manufactured by HuojiaChanghua. This synthetic rubber exhibits excellent resistance to heat, oil, and weathering, making it ideal for demanding industrial applications.
The CR232 series offers superior mechanical properties and processing characteristics, suitable for manufacturing seals, gaskets, and various molded rubber products requiring durability and chemical resistance.
Key Applications
- Seals and gaskets for automotive and industrial equipment
- Dust covers and protective boots
- Rubber rollers for printing and textile industries
- Liners for chemical processing equipment
- Rubber dams for water management systems
- Hose outer sheath for hydraulic and pneumatic systems
Key Properties
- Excellent heat resistance up to 120°C continuous service
- Superior oil and fuel resistance
- Outstanding weathering and ozone resistance
- Good mechanical strength and tear resistance
- Excellent processing characteristics
- Flame retardant properties
Technical Specifications
CR232 Series Specifications
| Property | Test Method | CR2321 | CR2322 |
|---|---|---|---|
| Mooney Viscosity ML(1+4)100°C | GB/T 1232.1 | 45±5 | 65±5 |
| Volatile Matter (%) | GB/T 1232.1 | ≤1.2 | ≤1.2 |
| Ash Content (%) | GB/T 4498.1 | ≤1.2 | ≤1.2 |
| Tensile Strength (MPa) | GB/T 528 | ≥23 | ≥25 |
| Elongation at Break (%) | GB/T 528 | ≥400 | ≥350 |
| Shore A Hardness | GB/T 531.1 | 65±5 | 70±5 |
| Compression Set (%) 22h×70°C | GB/T 7759.1 | ≤25 | ≤20 |
| Heat Aging 70°C×168h Tensile Strength Change (%) | GB/T 3512 | ≤±15 | ≤±15 |
| Heat Aging 70°C×168h Elongation Change (%) | GB/T 3512 | ≤±25 | ≤±25 |
Packaging & Storage
- Standard packaging: 25kg per bale, wrapped in polyethylene film
- Storage temperature: Below 30°C in dry, ventilated warehouse
- Shelf life: 12 months from production date under proper storage conditions
- Avoid direct sunlight and heat sources during storage
Quality Standards
- Manufactured according to Q/JYS3-2014 standard
- ISO 9001:2015 certified production facility
- Comprehensive quality control testing for each batch
- Technical support and application guidance available
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