
Custom Molded Rubber Parts
OEM/ODM manufacturer of high-performance molded rubber components. From high-durability seals to complex shockproof bellows, we custom-formulate Silicone, EPDM, Viton (FKM), NBR, and Neoprene compounds to match your exact application tolerances.
Material Performance Specifications
Technical parameters for standard compound options — custom formulations available on request.
| Material | Temp Range | Key Properties | Typical Applications |
|---|---|---|---|
| Silicone (VMQ) | -60°C to +200°C | FDA compliant, UV stable, non-reactive | Medical seals, food-grade parts, outdoor gaskets |
| EPDM | -40°C to +150°C | Excellent weather/ozone/UV resistance | Automotive weatherstrips, roofing seals |
| Viton / FKM | -20°C to +200°C | Superior chemical & fuel resistance | O-rings, fuel system seals, chemical pumps |
| NBR / Nitrile | -40°C to +120°C | Oil & fuel resistant | Hydraulic seals, gaskets, fuel hose |
| Neoprene (CR) | -40°C to +120°C | Weather, flame & oil resistant | Dust boots, bellows, automotive seals |
Typical Product Gallery
Representative parts manufactured for OEM clients — click to inquire about similar components.

O-rings & X-rings
Precision O-rings and custom-profile seals in silicone, Viton, NBR and EPDM.

Vibration Dampers
EPDM and natural rubber damper pads and grommets for vibration isolation.

Bellows & Dust Boots
Flexible accordion bellows in chloroprene and EPDM for shaft protection.

Flat Gaskets
Water-jet cut and compression molded flat gaskets in any profile.

Rubber-to-Metal Bonded
Structural vibration isolators with rubber bonded to zinc-plated steel inserts.

Custom Profiles
Extruded and molded custom rubber profiles for sealing and protection.
Customization Tolerances & Compound Engineering
ISO 3302-1 Class M1 — Highest Precision Tolerance Grade
- Precision TolerancesWe mold to ISO 3302-1 Class M1 (high precision) and Class M2 (standard precision) tolerances, ensuring perfect fit-up in your assembly.
- Hardness CustomizationFull scale hardness tuning from ultra-soft Shore 30A (sponge-like) to highly rigid Shore 90A (plastic-like).
- Special Material FormulationsWe compound raw materials to achieve UL94-V0 flame retardancy, anti-static (ESD) protection, UV resistance, and biocompatibility.
Frequently Asked Questions
Get an Engineering Quote Within 24 Hours
Share your drawings, quantity and material requirements. Our team performs a complimentary DFM review before quoting.
- 📧 info@bluediamondindustry.comDirect Sales Response
- 📞 +86 532 86945929Emergency Project Support
- 💬 +86 1335636048124-Hour WhatsApp Service
- 🏢 T3Bld NO. 877 Lijiang West Road, Huangdao District, Qingdao, Shandong, China 266555
