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Vulcanization Thermoplastic Elastomers (TPE) from China Suppliers - EPDM and Silicone Rubber Factory Products
Product Introduction
Dynamic Vulcanized TPE Material is engineered using EPDM rubber or silicone rubber as base materials, processed via twin-screw extrusion with dynamic vulcanization. The technology merges the intrinsic properties of base rubber with thermoplastic plasticity, enabling efficient molding while retaining elastic performance. Boasting exceptional stability, it resists oxidation, UV radiation, hydrolysis, and chemical corrosion. EPDM-based TPV excels in outdoor environments, ideal for door/window and automotive seals. Silicone-based TPV, meanwhile, suits human-wear scenarios, applied in gas mask seals, PC-coated swimming goggles, and electronic wearables. Its versatility bridges industrial durability and biocompatibility, making it a reliable choice for diverse sealing and wearable applications.
Typical Material Properties Specifications
| Test Property | Test Method | Units | 8250V | 8270V | 8095SV | 9650SV | 9545SV | 9585SV |
|---|---|---|---|---|---|---|---|---|
| Hardness Shore | ASTM D-2240 | Shore | 45-50A | 65-70A | 90-95A | 45-50A | 45-50A | 85-90A |
| Melt Flow Index | ASTM D-1238* | g/10min | N | N | 1.2*** | 18.8** | 13.3** | 15.2** |
| Specific Gravity | ASTM D-792 | g/cm³ | 1 | 0.89 | 0.89 | 1.03 | 1.09 | 1.13 |
| Color | _________ | - | nature | nature | nature | nature | nature | nature |
| Tensile Strength | ASTM D-412 | kgf/cm² | 67.2 | 85 | 150 | 59.4 | 65.5 | 100 |
| Break Elongation | ASTM D-412 | % | 550 | 550 | 400 | 450 | 450 | 450 |
| Application | EPDM vulcanized elastomer, used for automotive sealing strips, door and window sealing strips, refrigerator sealing strips | EPDM vulcanized elastomer, used for automotive seals, door and window seals, refrigerator seals, and profile seals | EPDM vulcanized elastomer, self-lubricating, used for automotive glass guide grooves | Silicone elastomer, skin friendly touch, used for encapsulating PP face masks and injection molding encapsulating PP | Silicone elastomer, skin friendly touch, used for encapsulated ABS face masks, encapsulated PC lenses swimming goggles | Silicone elastomer with a skin friendly plush feel, suitable for wearing electronic devices, belts, and phone covers | ||
Test Conditions: *180℃, 1.2 KG
**200℃, 2.16KG
***200℃, 5KG
Frequently Asked Questions
What is the base composition of Dynamic Vulcanized TPE Material?
Dynamic Vulcanized TPE Material is engineered using EPDM rubber or silicone rubber as the base material, processed via twin-screw extrusion with dynamic vulcanization.
What are the primary environmental resistances of this material?
It boasts exceptional stability and resistance against oxidation, UV radiation, hydrolysis, and chemical corrosion, making it highly durable for outdoor and industrial environments.
Where is EPDM-based TPV typically applied?
EPDM-based TPV excels in outdoor environments and is ideal for automotive sealing strips, door/window profiles, refrigerator seals, and automotive glass guide grooves.
What makes Silicone-based TPV suitable for wearable devices?
Silicone-based TPV provides a skin-friendly, plush feel and biocompatibility, making it perfect for gas mask seals, encapsulated swim goggles, electronic wearables, belts, and phone covers.
What is the hardness range of these vulcanized elastomers?
Depending on the specific grade, the hardness ranges from a soft 45-50A (grades 8250V, 9650SV, 9545SV) to a rigid 90-95A (grade 8095SV).
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