-Mixing+Opening mill
Sealing Rubber Strip Specification
Characteristics | EPDM | PVC | |
Basic Characteristics | Shore A Hardness | 70±5,60±5 | 65±5,70±5,75±5,80±5 |
Tensile-strength (Mpa) | ≥5.0 | ≥5.0 | |
Tensile elongation (%) | ≥250 | ≥250 | |
Compression Set (100℃*22h)(%) | ≤35 | — — | |
Heat Aging(100℃*72h) (Tensile-strength and Tensile Elongation Variation (%)) | — — | <15,<30 | |
Heat Aging(100℃*168h) (Tensile-strength and Tensile Elongation Variation(%) ) | <25,<40 | — — | |
Weight Loss on Heating(%) | ≤3.0 | ≤3.0 | |
Low Temperature Brittleness(-20℃) | — — | Pass | |
Low Temperature Brittleness(-40℃) | Pass | — — | |
Product Performance | Usage Temperature(℃) | -50℃~120℃ | -20℃~100℃ |
Flame Retardant | N/A | N/A | |
Ozone Proof | Excellant | Normal | |
Storage Life(Year) | 10-15 | 5-7 | |
Product Technics | Forming Method | Microwave Vulcanization | Extrusion Molding |
Corner Joint Menthods | Vulcanized | Heat Weld | |
Color | Black | Multi-color |
1. Mixing
Weighting-Mixing-Oping mill-Cooling
2.Extrusion
High-temperature setting-Micro vulcanization-Hot vulcanization-Cooling
3.Testing
4.Packaging
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