SiSiB® LR1342 is a two-component liquid silicone rubber for injection molding processes.
Excellent transparency
Excellent tensile strength
Superior resilience
Excellent thermal stability and weather resistance (-50°C to 250°C)
Anti-yellowing properties
Heat aging resistance
Regulatory Compliance:
USA FDA CFR21 Part 177.2600
European EN 14350-2 Section 4.9
RoHS Directive
Item | Value | Method |
Appearance | Transparent | Visual |
Viscosity Part A (Pa.s) | 650-900 | DIN53 479A |
Viscosity Part A (Pa.s) | 650-900 | DIN53 479A |
Hardness (Shore A) | 40-43 | DIN53 305 |
Tensile Strength (MPa) | Min.7.5 | DIN53 504 S2 |
Tear Strength (kN/m) | Min.30 | ASTM D624 Die B |
Elongation (%) | Min.600 | DIN53504 S2 |
Linear shrinkage (%) | 1.6-2.5 | JISK 6301 |
Curing condition: 10 minutes at 140°C, and post cure 4 hours at 200°C.
SiSiB® LR1342 liquid silicone rubber is commonly used in the production of medical devices and accessories, including pacifiers, baby teats, breast shields, and nose pads. Its excellent biocompatibility, durability, and safety make it ideal for these applications, ensuring reliable performance and comfort for sensitive use in healthcare products.
SiSiB® LR1342A/B is supplied in 20Kg pail or 200kg drum.
This document does not contain the product safety information required for safe use. Before handling, please refer to the product and safety data sheets, as well as container labels, for information on safe usage, physical hazards, and health risks. Safety Data Sheet is available on the website, from the distributor, or by contacting SiSiB customer service.