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ELASTOSIL® M 4440
Pourable, condensation-curing, two-component silicone rubber that vulcanizes at room temperature.
Main application: Making cost effective molds.
Properties
- very good flowability and self-deaeration
- medium Shore A hardness (approx. 37)
- very good resistance to common casting resins
Specific features of ELASTOSIL® M 4440
- Condensation-curing
- Flowable
- Resistance against polyester
- Resistance against PU
- Two-component
ELASTOSIL® M 4440 is a general-purpose mold-making material suitable for casting resins, wax, gyp-sum, etc.
ELASTOSIL® M 4440 is preferred when no or only minor undercuts are involved and a certain inherent stability of the mold is required.
ELASTOSIL® M 4440 is cured by adding Catalyst T 37 for long pot lives and curing times, and Catalyst T 40 for short pot lives and curing times.
The pot life is the period of time at 23 °C / 50 % rel. humidity during which the catalyzed mix to attain a viscosity of 100,000 mPa s and still be just pourable
Comprehensive instructions are given in our leaflet “ROOM TEMPERATURE VULCANIZING (RTV) SILICONES - Material and Processing Guidelines"
Detailed information on other mold-making compounds in the ELASTOSIL ® M range is contained in our brochure “ELASTOSIL® Silicone Rubber for Mold Making”.
Storage
The 'Best use before end' date of each batch is shown on the product label.
Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.
Sales and support
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