BLUESIL ADD 703 is added to the heat curing elastomer on the mill.
A dose of 1.5 % by weight relative to the HCR master batch gives a very distinct improvement in the silicone elastomer heat stability for temperatures of 275°C and 300°C.
Comment: For transparent HCR blends, BLUESIL ADD 703 may cause slight opacification.

BLUESIL ADD 703 may be stored at temperatures between -5°C / 23°F and 40°C / 104°F for up to 18 months from its date of manufacturing.Please consult the Safety Data Sheet of this product.


BLUESIL ADD 703 is a cream-coloured paste. It is a heat stability additive that is particularly effective for heat curing silicone elastomers It enables protection of cured elastomers up to 300°C.


HCR Additives

BLUESIL ADD 703 is exclusively intended for industrial applications requiring high heat stability.

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