
Liquid Silicone Rubber for Catheter Cavity
GA-65XX is a highly transparent liquid silicone rubber (LSR) produced through a molding process. It offers a hardness range from 40A to 80A and is known for its exceptional mechanical properties, making it ideal for high-strength silicone rubber medical devices. This material has successfully passed various tests, including FDA, LFGB, and biocompatibility certifications, ensuring its safety and reliability for medical applications.
Properties of Liquid Silicone Rubber for Catheter Cavity
- Excellent resistance to yellowing
- Exceptional fluidity
- Easy mold release
- High transparency
Application of Liquid Silicone Rubber for Catheter Cavity
This LSR is ideal for use in medical devices such as breathing masks, throat tubing, and other healthcare appliances.

The Performance Parameters of Liquid Silicone Rubber For Catheter Cavity
Properties | Model No. | |||||
Appearance | GA-6540 | GA-6550 | GA-6560 | GA-6570 | ||
A | Transparent | |||||
B | Transparent | |||||
Viscosity mPa.s | A | 1200 | 2000 | 2000 | 2400 | |
B | 1000 | 2500 | 1800 | 2000 | ||
Hardness shore A | 40±3 | 50±3 | 60±3 | 65±3 | ||
Tensile strength | >8.0 | >8.0 | >8.0 | >8.0 | ||
Elongation (%) | >600 | >450 | >380 | >300 | ||
Tear strength (kN/m) | >25 | >30 | >30 | >30 | ||
Specific Gravity (g/cm3) | 1.11± 0.2 | 1.12± 0.2 | 1.12± 0.2 | 1.13± 0.2 |


