General-Purpose HCR Silicone for Versatile Manufacturing Applications

General-Purpose HCR Silicone is a high-performance material designed for various industrial applications, including the production of cake molds, ordinary keys, seals, and other conventional strength products. This silicone rubber stands out for its excellent resilience, outstanding processing capabilities, and compliance with international standards such as ROHS, REACH, and FDA. Its superior durability and flexibility make it an ideal choice for industries that demand reliability and performance in their rubber components. It provides long-lasting performance, making it a trusted material in various manufacturing processes.

Product Advantages

1. Exceptional Resilience: Offers superior bounce and recovery, ideal for products requiring flexibility and durability.

2. Outstanding Processing Performance: Excellent for high-volume manufacturing processes, ensuring consistency and efficiency.

3. Safe and Compliant: Meets international safety and environmental standards, including ROHS, REACH, and FDA certifications.

4. Wide Hardness Range: Available in multiple Shore A hardness grades (20 to 80), providing flexibility to meet diverse application needs.

5. Durability: Withstands prolonged use and exposure to environmental stress, offering long-term reliability in various products.

6. Versatile Applications: Suitable for a broad range of products, including seals, buttons, and cake molds, ensuring widespread utility across industries.

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 (%) (175°C × 22h)	≤ 15	≤ 12	≤ 12	≤ 10	≤ 10	≤ 8	≤ 6
Tear Strength (kN/m)	≥ 19	≥ 18	≥ 17	≥ 16	≥ 15	≥ 15	≥ 15
Rebound (%)	≥ 50	≥ 50	≥ 48	≥ 45	≥ 40	≥ 40	≥ 35

1. Cake Molds: The ideal material for creating flexible, durable cake molds, ensuring easy removal and long-lasting performance.

2. Seals: Perfect for manufacturing seals used in a variety of mechanical and electrical applications, providing an excellent sealing effect.

3. Buttons and Keys: Suitable for the production of ordinary buttons and keys, offering a soft touch and long-term durability.

4. General Rubber Products: Versatile enough for a wide range of other rubber products, including gaskets, washers, and custom-made components.

Mix the HCR silicone with the appropriate curing agents and vulcanize it under the conditions of 175°C for 5 minutes at 15 MPa pressure. Ensure the product is cooled properly to retain its flexibility, resilience, and performance. This process ensures that the rubber maintains its superior processing characteristics and long-lasting durability.

Q: Can HCR Silicone be used for food-grade applications like cake molds?
A: -- Yes, HCR silicone is FDA compliant, making it safe for use in food-related applications like cake molds.

Q: What are the main features of this silicone?
A: -- It offers excellent resilience, high durability, and is compliant with international safety standards such as ROHS, REACH, and FDA.

Q: Can I customize the hardness of this silicone?
A: -- Yes, HCR Silicone is available in various Shore A hardness grades (from 20 to 80), allowing for customization based on application needs.

Q: What are some common uses for this silicone?
A: -- This silicone is commonly used for making cake molds, buttons, seals, and other rubber products requiring conventional strength.

Q: How durable is HCR Silicone for everyday use?
A: -- HCR Silicone offers long-lasting performance with excellent resistance to wear and environmental factors, making it perfect for products used frequently.

WENZHOU HEFENG SILICONE RUBBER CO.,LTD

Purpose HCR Silicone

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