MasterSeal P 640 - Single component polyurethane primer for absorbent substrates prior to application of MasterSeal M 635


How does MasterSeal P 640 work ?

MasterSeal P 640 is a single component, polyurethane based, solvent containing primer for absorbent surfaces.


Recommended Uses

Primer for polyurethane waterproofing membranes like certified MasterSeal M 635.

Can be applied on concrete, cement mortar, wood, etc.


What are the features & benefits of MasterSeal P 640?

  • Single component product that allows simple application without the need of mixture.

  •  Excellent adhesion

  •  Excellent penetration and sealing of pores of concrete

  •  Fast Curing

  •  Elasticity to absorb substrate movements

  •  Resistant to standing water

  •  Frost resistant.




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MasterSeal P 640 Technical Datasheet

pdf (128.25 Kb)