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Product Overview
Our General Purpose Liquid Silicone Rubber (LSR) is a two-component, platinum-cured silicone material designed for injection molding processes. It is renowned for its excellent processing performance, high transparency (though this can vary by specific grade, this is a general descriptor), and superior physical properties. This LSR series offers a wide range of hardness options, catering to diverse application needs from soft to firmer textures. Its good flowability, rapid curing, and stable finished characteristics make it an ideal choice for manufacturing various silicone rubber parts.
Whether you are looking for materials for seals, keypads, medical device components, baby products, or other precision parts, our General Purpose LSR delivers reliable performance and consistent quality.
Key Technical Parameters
Below is the table of key technical parameters for our General Purpose Liquid Silicone Rubber grades:
| Grade | Hardness Shore A | Tensile Strength (MPa) | Elongation at Break (%) | Tear Strength (kN/m) | Specific Gravity (g/ciTP) | Viscosity (Pa-S, 10/s) |
| LSR-20A/B-GP | 20 | 6.5 | 800 | 18 | 1.09 | 200 |
| LSR-30A/B-GP | 30 | 7.5 | 700 | 25 | 1.12 | 220 |
| LSR-40A/B-GP | 40 | 8.5 | 600 | 35 | 1.14 | 250 |
| LSR-50A/B-GP | 50 | 9 | 500 | 40 | 1.14 | 270 |
| LSR-60A/B-GP | 60 | 8.5 | 400 | 35 | 1.15 | 290 |
| LSR-70A/B-GP | 70 | 8 | 300 | 25 | 1.15 | 300 |
Note: The data above are typical values and for reference only. Properties of specific batches may vary. It is recommended to test the material before use.
Product Features
Wide Hardness Range: Available in various hardness levels from Shore 20A to 70A to meet different product softness/hardness requirements.
Excellent Physical Properties: Offers good tensile strength, elongation at break, and tear strength, ensuring product durability.
High Flowability: Suitable for complex mold designs and efficient injection molding processes.
Rapid Curing: Shortens production cycles and improves manufacturing efficiency.
Good Transparency: (Specific grades may vary; some grades offer high transparency) Suitable for products with aesthetic requirements.
Outstanding Resilience: Products quickly return to their original shape after deformation.
High and Low-Temperature Resistance: Maintains stable physical properties over a wide temperature range.
Easy to Pigment: Can be easily colored with masterbatches according to requirements.
Application Areas
Our General Purpose Liquid Silicone Rubber is widely used in various fields due to its versatility and reliability:
Electronic Products: Keypads, mobile phone protective cases, sealing rings, connector sheaths, etc.
Automotive Industry: Various seals, O-rings, shock absorption parts, wiring harness sheaths, etc.
Medical Devices: Respiratory masks, catheters, medical-grade seals, etc. (requires compliance with relevant medical certifications).
Mother and Baby Products: Pacifiers, feeding bottle nipples, tableware, toys, etc. (requires compliance with relevant food-grade certifications).
Kitchenware: Baking molds, spatulas, sealing lids, heat insulation mats, etc. (requires compliance with relevant food-grade certifications).
Daily Necessities: Showerheads, diving goggle accessories, various handle grips, etc.
Industrial Components: Various gaskets, cushioning parts, protective sleeves, etc.
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