Accueil Reusable silicone membranes RTV silicones for composite molding
RTV silicones for composite molding
Revolutionise your composite molding processes
The DIASIL line consists of two-component RTV silicones designed for infusion, vacuum casting, oven curing, and autoclave curing. Sprayable, pourable, and reusable, they offer fast processing, excellent thermal stability, and perfect reproduction of even complex shapes.
Why choose DIASIL 20 and DIASIL 49 RTV silicones?
Reusable
One silicone membrane, multiple cycles: optimize your costs.
Economic
Zero shrinkage, molded directly on your production tooling.
Extremely smooth
Silicone adapts to all shapes, even the most complex ones.
Ultra-fast
Cures in just a few minutes for instant results.
Versatile
Compatible with infusion, prepregs, drying ovens, autoclaves, etc.
DIASIL 20 – RTV silicone for infusion and oven curing
DIASIL 20 technical specifications
- Up to 200°C
- Hardness: 20 shore
- Unvulcanised
- Gel time: 3’
- Elasticity: 350%
- Shrinkage: < 0.1%
- Color: translucent yellow (allows you to see the resin flow)
- Packaging: 25 L of A + 25 L of B
Benefits of DIASIL 20
- Perfect for vacuum infusion and oven curing of prepregs
- Suitable for polyester/vinyl ester resins
- Very easy to spray or pour
- High flexibility to accurately conform to complex shapes
DIASIL 49 : High-performance RTV silicone for autoclaves
DIASIL 49 Technical Specifications
- Up to 200°C
- Hardness: 49 shore
- Unvulcanised
- Gel time: 5 minutes
- Elasticity: 250%
- Shrinkage: > 0.1%
- Color: blue
- Packaging: 5L + 5L and 25L + 25L
Benefits of DIASIL 49
- Excellent compressive strength for autoclave cycles
- Ideal for high-performance composite parts
- Dimensional stability under high pressure
Our Line of RTV Silicones and Additives
Diasilcoat: two- and three-component varnishes
- Drastic reduction in the coefficient of friction
- Limits face-to-face blocking
- Reduces fouling and surface contamination
Thixo agent
Diatex also offers a range of specialty additives:
- Allows you to quickly thicken silicone
- Ideal for vertical applications
- Compatible with the DSM4 sprayer
Diasil delay agent: RTV inhibitor
Designed for high-temperature applications:
- Adjust the setting time to suit your needs
- Optimises work on large areas
Personal space
A personnal space to go even further
Diatex customers and partners can access an interactive space that includes:
- exclusive content for your composite projects,
- technical videos,
- an interactive catalogue,
Frequently Asked Questions
No questions available.