BLUESIL MF 940 U may be stored at a temperature below 40°C / 104°F for up to 18 months from its date of manufacturing.Please consult the Safety Data Sheet of this product.


BLUESIL MF 940 U and BLUESIL MF 940 UT are silicone master-batches, heat vulcanizing after the addition of a vulcanization agent (chosen according to the transformation process).

Fire Protection;Heat Protection;High Temperature Protection;Sealing

HCR Masterbatch

  • ·  Slight replastification after prolonged storage.
  • ·  Easy to process.
  • ·  Without post-cure or slight post-cure.
  • ·  Good heat stability, up to + 225°C, or even 250°C with additive AD 744.
  • ·  Bright colours easily obtained with colour bases for HCE.
  • ·  Wide range of blends possible with master-batches in the Mix & Fix range.

BLUESIL MF 940 U and BLUESIL MF 940 UT are specially recommended for moulding injection and extrusion of articles with a good compromise of mechanical properties.

Europe Middle East Africa;Central and South America;North America




Elongation650MonocompNF ISO 37%
Hardness42MonocompASTM D 2240sh.A
Tensile strength9.1MonocompNF ISO 37MPa




































Rubber General Guide General Guide