Detailed Product Description

PU 521 is one-part room temperature moisture curing polyurethane with high adhesion strength, aging resistant, vibration exhaustion resistant, low temperature resistant and free-corrosive properties.

Where to use

Seal for building wall and cover board, frame joint, window seal (inside & outside), water proof joint (inside & outside), water tank and water drainage structural joint, parapet and road separating joint and general civil project expansion and contraction joint.

Characteristic

Medium curing speed            Good adhesion strength

Repairable                         Good chemical corrosion resistance

Good water proof                 Paint able

One part no mixing               Excellent weather proof, aging resistant property

Abrasion able                      Excellent noise, vibration and Impaction resistant

Damp resistant                    No sagging

Anti mildew