MAPEFLEX MS CRYSTAL bonds and seals the most widely used building materials on dry and wet surfaces, even in the most severe conditions. Rapid, elastic and paintable, MAPEFLEX MS CRYSTAL is practically invisible: unlike the opaque transparency of traditional silicone, the crystalline transparency of MAPEFLEX MS CRYSTAL offers a perfect final finish.

Mapeflex MS Crystal

Elastic high modulus, flexible, crystal clear, paintable, hybrid sealant and adhesive. Also suitable for damp surfaces.


  • Single product for elastic bonds and seals
  • High initial “sucker” effect for bonding on vertical surfaces and ceilings
  • Compatible with damp substrates during application
  • Crystalline transparency: practically invisible for a perfect finish.
  • High elasticity for sealing joints and cracks in walls and floors
  • Paintable once set where required
  • Easy to use both indoors and outdoors
  • Excellent resistance to ageing
  • Solvent-free, odourless, very low VOC emissions

Movement in service: 20%.
Modulus of elasticity at 10% elongation: 0.6 N/mm².
Shore A hardness: 35.
Workability time: 20 minutes.
Colours: crystal clear.
EMICODE: EC1 Plus - very low emission.
Application: extrusion gun.
Consumption: 3.0 linear metres per 300 ml cartridge (10x10 mm section).
Packaging: 300 ml cartridges.

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