High Tear Strength HCR Silicone for Durable Product Manufacturing

High Tear Strength HCR Silicone is a versatile and reliable material designed for industries that demand high-performance rubber components. This silicone offers exceptional resilience, high tear strength, and excellent processing capabilities, making it ideal for the production of a wide variety of rubber products, including cake molds, seals, and ordinary keys. The material complies with international standards such as ROHS, REACH, and FDA, ensuring safety and environmental compliance. Its excellent elasticity and robust tear resistance make it a preferred choice for manufacturers in various fields requiring durability and high-quality performance.

Product Advantages

1. Superior Tear Strength: High resistance to tearing, ensuring longevity and durability in demanding applications.

2. Excellent Resilience: Maintains its shape and functionality even under repeated stress or deformation.

3. Excellent Processing Performance: Easy to mold and process, optimized for efficient manufacturing of rubber products.

4. Compliance with Industry Standards: Meets ROHS, REACH, and FDA certifications, ensuring environmental safety and consumer health.

5. Wide Hardness Range: Available in Shore A hardness from 20 to 80, offering flexibility to meet various product requirements.

6. Versatile Application: Ideal for a variety of manufacturing applications, from simple seals to more complex components such as keypads and molds.

Type number	HF-2120	HF-2130	HF-2140	HF-2150	HF-2160	HF-2170	HF-2180
Hardness (Shore A)	20±3	30±3	40±3	50±3	60±3	70±3	80±3
Plasticity (Duro)	80±20	100±20	125±20	180±20	210±20	280±20	280±20
Density (g/cm³)	1.07±0.05	1.1±0.05	1.15±0.05	1.17±0.05	1.2±0.05	1.22±0.05	1.23±0.05
Tensile Strength (MPa)	≥6	≥6.5	≥7	≥7.5	≥7.5	≥7	≥6
Elongation (%)	≥900	≥700	≥600	≥400	≥350	≥250	≥200
Compression Set (%)	≤15 (175°C × 22h)	≤12 (175°C × 22h)	≤12 (175°C × 22h)	≤10 (175°C × 22h)	≤10 (175°C × 22h)	≤8 (175°C × 22h)	≤6 (175°C × 22h)
Tear Strength (kN/m)	≥19	≥18	≥17	≥16	≥15	≥15	≥15
Rebound (%)	≥50	≥50	≥48	≥45	≥40	≥40	≥35

1. Cake Molds: Ideal for creating durable and flexible cake molds that maintain their shape even after extensive use.

2. Keypads: Suitable for manufacturing rubber keypads, offering high tear strength and excellent tactile feedback.

3. Seals: Used in the production of seals, gaskets, and other sealing components where tear resistance is critical.

4. Electrical Components: Appropriate for various electrical applications that require durable, resilient, and flexible materials.

5. Automotive Applications: Perfect for automotive rubber parts, including weather seals, gaskets, and interior components, offering long-lasting performance.

To process High Tear Strength HCR Silicone, mix the silicone rubber with the appropriate curing agents. For optimal results, vulcanize the material at 175°C for 5 minutes under 15 MPa pressure. Ensure the material is properly cooled after vulcanization to retain its flexibility, tear strength, and durability. This process guarantees that the silicone rubber maintains its superior resilience and performance in high-demand applications.

Q: What makes High Tear Strength HCR Silicone different from other silicones?

A: This silicone offers exceptional tear strength, making it more resistant to damage and wear during use, which is crucial for applications that involve repeated stress or impact.

Q: Can I use this material for food-related applications?

A: Yes, this material is FDA compliant, ensuring it is safe for use in food-related applications such as cake molds.

Q: What hardness options are available for this silicone?

A: This silicone comes in a range of Shore A hardness values from 20 to 80, allowing you to choose the best fit for your product requirements.

Q: How does this silicone perform under high temperatures?

A: It maintains excellent performance even under high temperatures (175°C for extended periods), ensuring its longevity and reliability in demanding environments.

Q: Is this silicone material safe for consumer products?

A: Yes, it is ROHS, REACH, and FDA certified, ensuring that it meets safety standards for consumer use.

Q: What applications are best suited for High Tear Strength HCR Silicone?

A: It is ideal for use in cake molds, keypads, seals, automotive parts, and a range of other applications that require durability and resistance to wear.

WENZHOU HEFENG SILICONE RUBBER CO.,LTD

High Tear Strength HCR Silicone

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