Hongum Technology (Shanghai) Co., Ltd
| Payment Terms | T/T, L/C, PayPal, Western Union |
| Supply Ability | 20000 Pieces per Month |
| Delivery Time | 10-15 days for stock, 25-30 days for production |
| Packaging Details | Individual sealed polybag with desiccant, protective tray, export-grade carton |
| Construction | EPDM Base + PTFE Lamination |
| Hardness | 55A Seal / 80A Mount |
| Temperature Range | -20C to +130C |
| Flex Life | >1,000,000 Cycles |
| Permeability | Ultra-low Gas |
| Chemical Barrier | PTFE Layer |
| Brand Name | WNRLN |
| Model Number | VRD-COMP-PTFE |
| Place of Origin | Guangdong, China |
| Certification | ISO 9001:2015 |
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Product Specification
| Payment Terms | T/T, L/C, PayPal, Western Union | Supply Ability | 20000 Pieces per Month |
| Delivery Time | 10-15 days for stock, 25-30 days for production | Packaging Details | Individual sealed polybag with desiccant, protective tray, export-grade carton |
| Construction | EPDM Base + PTFE Lamination | Hardness | 55A Seal / 80A Mount |
| Temperature Range | -20C to +130C | Flex Life | >1,000,000 Cycles |
| Permeability | Ultra-low Gas | Chemical Barrier | PTFE Layer |
| Brand Name | WNRLN | Model Number | VRD-COMP-PTFE |
| Place of Origin | Guangdong, China | Certification | ISO 9001:2015 |
| High Light | EPDM PTFE laminated valve diaphragm ，Chemical resistant rubber diaphragm ，Dual hardness composite valve diaphragm | ||
Advanced multi-layer composite diaphragm featuring an EPDM base layer with PTFE lamination for superior chemical barrier properties. The dual-hardness design combines a flexible sealing zone with a rigid mounting area for optimal performance.
Chemical processing valves requiring universal chemical resistance, vacuum systems, high-purity gas handling, corrosive fluid control, and pharmaceutical processing.
Each diaphragm undergoes layer adhesion testing and dimensional inspection. ISO 9001:2015 certified manufacturing with full traceability.
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company
Year Established:
2017
Total Annual:
500000-8000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Hongum is specialized in research, production, sales, and distribution. It is located in the base of technology transfer of CAS, committed to research and development of new materials in both rubber and plastic industry. Hongum supply various of rubber diaphragms, dampers and all kinds of other r... Hongum is specialized in research, production, sales, and distribution. It is located in the base of technology transfer of CAS, committed to research and development of new materials in both rubber and plastic industry. Hongum supply various of rubber diaphragms, dampers and all kinds of other r...
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