Bond-Flex 300 Silicone Sealant

Bond-Flex 300 Silicone Sealant product image
Product Overview

Bostik Bond-Flex 300 Silicone Sealant is a single part, low modulus, neutral curing silicone rubber sealant. It cures on exposure to atmospheric moisture to form a resilient highly elastic seal which maintains flexibility over a wide range of temperatures. Unlike many silicone sealants Bostik Bond-Flex 300 has low odour when curing. The sealant is extremely resistant to weathering, ageing and water. Bostik Bond-Flex 300 Silicone Sealant is suitable for sealing most building, construction and glazing joints. It can be used to seal assemblies of glass, glazed surfaces, aluminium and many other metals, uPVC and painted wood. Bostik Bond-Flex 300 conforms to ISO 11600 F12, 5E.

  • Low odour – neutral cure
  • Sealing metal cladding panels and curtain walling
  • Permanent flexible seal
  • Flexible at low (-40oC) and high temperatures (+100oC)
  • Suitable for alkaline substrates such as concrete, mortar and cement

White & clear


Cartons of 25 x C20 plastic cartridges