The picture shows a glass bottle with a green cap. The label reads "BLV" and "Bloc'lube Green Tamper Evident Seal". The bottle appears to contain a special sealing agent.

Product Family

BLV / BLR Screw locking varnish

One-component, air-drying and tamper-proof sealant for screws, nuts, screwable parts and other components, among other things

  • Ideal for use on knobs to ensure settings do not move under vibration etc.
  • Good anti-fungal properties, resists mold growth
  • With integrated brush for easy application
  • available in green (BLV) or red (BLR)


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10,95 EUR
excl. 19% tax