The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
Cette page a bien été ajoutée à vos favoris


Technical Datasheet | Supplied by Wacker
ELASTOSIL® M 4641 A/B by Wacker is a silicone rubber. Exhibits medium hardness and high tear strength. Shows outstanding resistance to casting resins, particularly polyurethanes and epoxies, for long service life of the molds. Provides fast & non-shrink cure at room temperature and outstanding resistance to concrete. ELASTOSIL® M 4641 A/B is designed for high-performance silicone mold-making compound suitable for reproducing models with undercuts in polyurethane or epoxy resins. Applicable for vacuum casting for rapid prototyping. It is a good flow, pourable and addition curing grade.
Product Type
Silicone Rubber
Translucent/ Colorless
Product Status

ELASTOSIL® M 4641 A/B Properties

Flammability Properties

Value & Unit
Test Condition
Test Method
Flash Point
307 °C
(Part A)
DIN 51376
Flash Point
284 °C
(Part B)
DIN 51376
Help us improve the Universal Selector

You can’t find what you are looking for? Please report missing products / suppliers, point out errors, or simply tell us how we could make the Universal Selector better.

Access Reliable
Product Information

Database of 145781 Plastics & Elastomers,
reviewed and updated daily

Improve your Product
Selection Experience

Open your choices, compare products,
ask for samples, contact suppliers

Keep-up with latest
Technical Solutions

Be inspired and never miss again crucial
innovations with our weekly email updates

Back to Top