RTV 140 - Translucent high strength mould making silicone.
2 component, room temperature platinum curing silicone compound.
Mix ratio = 10:1 (10 grams Part A : 1 grams Part B).
Available as: 22.0Kg, 5.5Kg, or 1.1Kg.
Standard curing agent.
Features
- Outstanding release properties
- If required the product cure can be heat accelerated
- Translucent appearance allows split lines to be cut
accurately in block moulds.
- Very low shrinkage and good dimensional stability
- High hardness, but flexible and very tough
- Can be used for high-temperature casting applications
- Easy to de-air
Applications
- RTV 140 is a high-strength mould making rubber developed
for prototype design and production tooling, especially for
rapid prototyping.
Viscosity @20°C (mPa·s): RTV140 70,000, Curing agent 100
Pot life mixed (1000g): 90 minutes
Mixed viscosity(mPa·s): 35,000
Curing time: 12 hours
Cured Elastomer (24 hours @ 23°C)
Colour: translucent
Hardness Shore A: 40
Tensile strength (psi): 971
Tensile strength (MPa): 6.7
Elongation at break (%): 400
Tear strength, Die B (ppi): 150
Tear Strength (N/mm) ISO 34 cutter: 27
RTV 140 - Translucent high strength mouldmaking silicone.
Poly-condensation RTVs are used in the artistic trades among other things for their ease of use, their high resistance to tearing and their great flexibility as well as their release properties compared to other materials.