BLOC MA1300 Maleic Anhydride Polyisobutylene Resin

BLOC MA1300 is a maleic anhydride-grafted polyisobutylene resin used as a base material for water-blocking and sealing adhesive systems. It is suitable for reactive membrane manufacturing and offers excellent water vapor barrier performance, strong hot and cold tack, and wide blend compatibility with resin materials.

Its polar structure improves adhesion to glass, metal, plastic, and membrane substrates.