High Transparent Fumed Silicone Rubber for Versatile Manufacturing

High Transparent Fumed Silicone Rubber is a premium-grade material designed for applications requiring exceptional clarity, durability, and rapid processing. With its fast vulcanization speed, high tensile strength, and excellent processing performance, this silicone rubber is ideal for producing consumer goods such as kitchenware, watchbands, wallets, and protective sheaths. Compliant with ROHS, REACH, and LFGB certifications, it ensures safety for food-contact and consumer-facing products. Its high transparency and flexibility make it a versatile choice for industries demanding both aesthetic appeal and functional resilience.

Product Advantages

1. Exceptional Transparency: Delivers crystal-clear finishes, perfect for high-visibility consumer products.

2. Fast Vulcanization: Achieves rapid curing at 175°C within 5 minutes under 15 MPa pressure, enhancing production efficiency.

3. High Strength & Elasticity: Superior tensile strength (up to 8 MPa) and elongation (up to 900%) ensure long-lasting performance.

4. Certification Compliance: Passes ROHS, REACH, and LFGB tests, guaranteeing safety for food-grade and environmental standards.

5. Broad Hardness Range: Available in Shore A hardness from 20 to 80, tailored for diverse applications.

6. High Temperature Stability: Low compression set (≤10% at 175°C) maintains shape integrity under extreme conditions.

Type number	HF-920PT	HF-930PT	HF-940PT	HF-950PT	HF-960PT	HF-970PT	HF-980PT
Hardness (Shore A)	20±2	30±2	40±2	50±2	60±2	70±2	80±2
Plasticity (Duro)	100±20	120±20	130±20	190±20	220±20	250±20	280±20
Density (g/cm³)	1.08±0.05	1.1±0.05	1.12±0.05	1.13±0.05	1.17±0.05	1.2±0.05	1.22±0.05
Tensile Strength (MPa)	≥6	≥6	≥6	≥8	≥8	≥8	≥6
Elongation (%)	≥900	≥700	≥600	≥500	≥450	≥300	≥200
Compression Set (%)	≤10	≤10	≤10	≤6	≤6	≤6	≤6
Tear Strength (kN/m)	≥15	≥15	≥15	≥20	≥20	≥20	≥20
Rebound (%)	≥55	≥55	≥50	≥50	≥50	≥30	≥35

1. Consumer Goods: Ideal for kitchenware, wallets, watchbands, and protective sheaths due to its clarity and flexibility.

2. Industrial Components: Suitable for seals, gaskets, and high-resilience industrial parts.

3. Extrusion Applications: Used in tubing, light belts, and custom profiles requiring fast processing.

4. Medical & Food-Grade Products: Compliant with LFGB for safe use in food-contact environments.

Mixing: Blend the silicone rubber with 1% of 50% double 25 curing agent.

Vulcanization: Pressurize at 15 MPa and cure at 175°C for 5 minutes.

Post-Processing: Cool naturally to retain transparency and mechanical properties.

Q: Is this silicone rubber safe for kitchenware production?

A: Yes, it complies with LFGB standards, ensuring safety for food-contact applications.

Q: Can the hardness be customized beyond the listed range?

A: The standard range covers Shore A 20–80, but custom hardness options are available upon request.

Q: Does it retain transparency after vulcanization?

A: Absolutely. The high transparency is maintained post-curing, making it ideal for aesthetic-driven products.

Q: What industries benefit most from this material?

A: Consumer goods, automotive, medical devices, and industrial manufacturing due to its durability and compliance.

Q: How does it perform under continuous high temperatures?

A: With a compression set ≤10% (175°C), it resists deformation even under prolonged heat exposure.

WENZHOU HEFENG SILICONE RUBBER CO.,LTD

High Transparent Fumed Silicone Rubber for Versatile Manufacturing

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