SiSiB® LR9363 is a two-component, translucent, self-adhesive addition-cure liquid silicone rubber designed for injection or compression molding. It exhibits excellent adhesion to engineering plastics such as PC, PET, and PBT without the use of primers, while maintaining good release properties from metal molds.
Excellent adhesion to PC, PET, and PBT
Non-adhesion to metal molds
Primerless bonding
Fast cure at moderate temperatures
Easy to pigment
High mechanical strength
Suitable for insert molding and co-injection molding
Appearance | Translucent |
Viscosity (Pa·s) | A: 2000-4000, B: 4000-7000 |
Mixing Ratio (A:B, by weight) | 1:1 |
Specific Gravity (g/cm³) | 1.15 |
Hardness (Shore A) | 60 |
Tensile Strength (MPa) | Min.7.0 |
Elongation (%) | Min.350 |
Tear Strength (kN/m) | Min.35 |
Cure Time at 120°C | 150 seconds (2 mm) |
Note: These values are typical and are not intended for use as specifications.
Overmolded components in consumer electronics
Seals, buttons, and grips in handheld devices
Medical-grade parts (upon request)
Automotive connectors and housing gaskets
SiSiB® LR9363 is supplied in 20Kg or 200Kg Drum.
In the unopened original container, it has a shelf life of 12 months at the temperatures below 37°C in a dry and cool place.