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Press Release - June 2009

ebalta Expands into Silicones

New Silicones for Rapid Prototyping and
General Mould Making Applications

Silicone SR 4 for
Rapid Protoyping Applications

Now commercially available, ebalta has announced the introduction of two new silicone systems to enhance their professional product portfolio for both rapid prototyping and general mould making applications.

Blue in colour, the Silicone SR 2 system is a very low viscosity, condensation curing silicone formulated for high quality, general mould making applications. A robust, high strength system, coloured to ensure thorough mixing, it is available with two different catalysts; SR 2 catalyst standard which features a gel time of 30 - 45 minutes with a cure time at room temperature of 5 hours or SR 2 catalyst fast which features a gel time of 8 - 10 minutes and cure time of 2 hours.

These two new Silicone SR 2 systems both exhibit very low linear shrinkage of <0.5% and excellent tear strength of 21 - 23 N/mm whilst modification of the gel times and curing times allow the systems to be used for a wide variety of different moulding applications. In addition, the Silicone SR 2 system can be used with a thixotropic agent; Silicone SR 2 Thixo to produce a thickened, non-slumping material for jacket moulding and onsite reproductions of detailed surfaces for the art or film industry. 

Silicone SR 4 is a low viscosity, translucent, rapid prototyping grade addition cure silicone developed for RIM or vacuum casting applications. A high performance system, it features outstanding release properties giving longer life to the mould and production of more parts, high temperature resistance for elevated temperature castings and is also available with two different catalysts; SR 4 catalyst standard or SR 4 catalyst oil bleed. 

Both Silicone SR 4 systems exhibits very low linear shrinkage of <0.1% for highly accurate reproduction of parts and are globally proven silicone systems, processed under vacuum, that work well with all ebalta rapid prototyping materials.  They features high tear strength of 27 - 32 N/mm whilst the translucent appearance of the material gives good clarity and allows split lines to be cut accurately in block moulds.

All of the ebalta Silicone SR 2 and SR 4 systems are supplied in matched ratio packaging for ease of use and are backed up by specialised technical support. All are also available on next day delivery.  

For further information on ebalta's new materials or to download the Silicone SR 2 and Silicone SR 4 system technical data sheets please visit www.ebaltadistribution.co.uk

ebalta and ebablock are registered trademarks of ebalta Kunststoff GmbH.

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