
GA-22XX series is transparent silicone rubber. It is special for the production of medical tubes. Hardness ranges from 40A to 80A. FDA, LFGB, and Biocompatibility. etc certified.
Properties of Medical-Grade Silicone Rubber for Catheter Tube
- High transparency
- Smooth surface
- Easy to process
- Flexible options available, including both two-component (no additional vulcanizing agent required) and one-component (pre-catalyzed) silicone
- Fast vulcanization and high efficiency
- Odorless and tasteless
- Stable dimensions
- Excellent transparency
Application of Medical-Grade Silicone Rubber for Catheter Tube
This silicone is particularly ideal for the production of various types of medical-grade extrusion silicone rubber tubing.


Technical Index
Properties | GA-2240A/B | GA-2250A/B | GA-2260A/B | GA-2270A/B | GA-2280A/B |
Appearance | Transparent | ||||
Plasticity | 230±30 | 250± | 270±30 | 310±30 | 350±30 |
Density (g/cm3) | 1.13±0.02 | 1.15±0.02 | 1.17±0.02 | 1.19±0.02 | 1.21±0.02 |
Hardness Shore A | 40 | 50 | 60 | 70 | 80 |
Tensile strength (MPa) | ≥7.0 | ≥7.0 | ≥7.0 | ≥7.0 | ≥7.0 |
Elongation (%) | ≥550 | ≥450 | ≥350 | ≥250 | ≥150 |
Tear strength (kN/m) | ≥25 | ≥25 | ≥25 | ≥30 | ≥30 |
Linear shrinkage % | 2.1±0.2 | 2.1±0.2 | 2.1±0.02 | 2.1±0.02 | 2.1±0.02 |


