Hejian Maosheng Sealing Materials Co., Ltd. is a direct manufacturer of industrial silicone rubber sheet in Hejian City, Hebei, China, producing standard, high-temperature, food-grade, flame-retardant, conductive, sponge and fabric-reinforced silicone sheets. Our silicone sheets use a high-purity fumed silica reinforced compound, with a continuous service temperature of -60 C to +250 C and short-term resistance to 300 C, Shore hardness adjustable across 30-80 A, and colors customized to the full RAL chart. As a Hebei silicone sheet factory we cut any size from 0.5-50 mm thick and up to 2000 mm wide, supplying electronics, electrical insulation, food baking, medical devices, automotive parts and new energy industries.
Specifications
| Item | Parameter Range | Description |
|---|---|---|
| Material | Standard / High temperature / Food grade / Flame retardant / Conductive / Sponge / Fabric reinforced silicone | Selected by application |
| Thickness | 0.5 mm – 50 mm | Non-standard customization available |
| Standard Width | 1000 / 1200 / 1500 / 2000 mm | Cut to any width |
| Length | Cut to length on request | Continuous roll available |
| Shore Hardness | 30 – 80 A | Adjustable on request |
| Service Temperature | --60 to +250 C (300 C short term) | High and low temperature resistant |
| Dielectric Strength | 17 – 25 kV/mm | Excellent electrical insulation |
| Flame Retardant Rating | UL94 V-0 / V-1 (optional) | Optional |
| Colour | White / Translucent / Red / Grey / Black etc. | Full RAL colour range customization |
| Certification | FDA / LFGB / EU 10/2011 (food grade optional) | Food contact compliant |
Application Cases
- Electronics Insulating Linings Withstands voltage and is flame retardant, protecting circuit boards and power devices.
- Food Baking / Conveyor Belts Food grade, non-toxic and odourless, heat resistant to 250 C.
- Automotive Part Sealing Oil and weather resistant, stable long term.
- Medical Instruments / Pharma Equipment Good biocompatibility, meeting hygiene requirements.
- Hot Press / Oven Buffer Pads Stable elasticity at high temperature, no long-term deformation.
- New Energy / Lithium Battery Components High temperature insulation, die-cut to order.
Our Advantages
- Hejian direct factory, any thickness from 0.5 to 50 mm, any hardness from 30 to 80 Shore A, and any colour.
- Die-cutting, punching, adhesive backing and hole drilling available as secondary operations.
- Stock sizes shipped the same day, custom items scheduled by lead time.
- Food grade passes FDA / LFGB testing, insulation grade passes dielectric testing.
- 13% VAT invoices available, with third-party test reports.
Need a silicone sheet specification sheet or a sample? Contact us for a quotation.
