It is recommended to apply BLUESIL PAST B 431 onto clean and dry surfaces (degreased if necessary).
BLUESIL PAST B 431 is applied with a brush, with a paint brush, with a spatula or with a paste gun.
BLUESIL PAST B 431 can be diluted in aliphatic or chlorinated solvents to facilitate its application when being applied in thin coats.

STORAGE t < +40°C IN ITS ORIGINAL PACKNo special storage precautions noted. Material is stable under normal conditions. Avoid contact with oxidizing agents. Use container made of: Plastic lined steel drum. Suitable plastic material.Please consult the Safety Data Sheet of this product.ELV;RoHS;WEEE


BLUESIL PAST B 431 is a polydimethylsiloxanic oil based silicone paste together with inert fillers.
This paste is particularly use for static lubrication problems, low temperature electrical insulation applications and electrical protection in aggressive atmospheres.

Paste & Grease




  • Low temperature resistance (-60°C ).
  • Resistance to acidic atmospheres.
  • Self-levelling paste.
  • Chemically inert on most substances.
  • Hydrophobic.



  • Protection of electrical equipment (on board terminal boxes, connectors) against humidity and corrosive atmospheres.
  • Various low temperature sealing applications.
  • Protection against the cold for formed in place gaskets.
  • Lubrication of small mechanisms operating at extreme temperatures (-60°C + 200°C  ) such as in air conditioning or refrigerated chambers.
  • Lubrication of aluminium on steel or of aluminium on itself.


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

For information about Storage and Shelf Life for this product, please download the Technical Data Sheet.




Volatile Content<3Monocomp%
Worked penetration360MonocompASTM D 2171/10mm











































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