The RJL-100 series are two component compounds highly transparent liquid silicone rubber that vulcanizes at room temperature for molding processions. It is an addition type two-component liquid silicone rubber that has passed FDA food grade test. Mixing ratio A:B=10:1.
This product has high transparency, high tear resistance, almost no shrinkage, and good scale stability, good mold release and no deformation after curing.
Typical Physical Properties
Typical properties of the uncured rubber: | |||||||
Property | method | Value | Value | Value | Value | Value | |
Appearance | A-part | Transparent | Transparent | Transparent | Transparent | Transparent | |
B-part | Transparent | Transparent | Transparent | Transparent | Transparent | ||
Viscosity (20°C) | DIN 53018 | A-part | 40000±5000 mPa•s | 50000±5000 mPa•s | 50000±5000 mPa•s | 80000±5000 mPa•s | 100000±5000 mPa•s |
B-part | 40000±5000 mPa•s | 50000±5000 mPa•s | 50000±5000 mPa•s | 80000±5000 mPa•s | 100000±5000 mPa•s | ||
Mixing ratio | 10:1 | 10:1 | 10:1 | 10:1 | 10:1 | ||
Shore A hardness | DIN 53 505 | 15 | 20 | 25 | 30 | 40 | |
Density | 1.05 g/cm3 | 1.06 g/cm3 | 1.07 g/cm3 | 1.09 g/cm3 | 1.11 g/cm3 | ||
Tensile strength | DIN 53 504 52 | 3.0 MPa | 3.5 MPa | 3.5 MPa | 3.5 MPa | 4.0 MPa | |
Elongation at break | DIN 53 504 52 | 500 % | 460 % | 420 % | 420 % | 300 % | |
Tear strength | ASTM D 624 die B | 4 N/mm | 6 N/mm | 8 N/mm | 13 N/mm | 14 N/mm | |
Operating Time | 20-30 min/25°C | 20-30 min/25°C | 20-30 min/25°C | 20-30 min/25°C | 20-30 min/25°C | ||
Curing Time | 10-12 hours/25°C | 10-12 hours/25°C | 10-12 hours/25°C | 10-12 hours/25°C | 10-12 hours/25°C | ||
Typical properties are only for reference.