Use of polyurethane sealing agent, polyurethane sealer Product Description Product Description polyurethane polyurethane sealer sealer can be used in dense formations, rock reinforcement, bolt seals, closed water inlet, cracks and unstable formations polyurethane sealer product use zmjt11 mine sealer can be used for dense formations, rock reinforcement, bolt seals, closed water inlet, cracks and unstable formations. Coalface reinforcement, coal pillar reinforcement and plugging wind, gas drainage hole sealing polyurethane sealer product features polyurethane sealer low viscosity, can be a good penetration into small cracks, although their low viscosity, but may be formed with the formation of a strong adhesive force, and has good flexibility and can withstand the subsequent formation movement. Polyurethane reaction is very fast, and the reaction can occur within ten seconds after the water, which quickly demeanor water, bubbles formed after the reaction is not soluble in water, very good compression performance, expansion rate is very high, the amount of construction Small and save. The product has been exported to many countries, the United States, France, Canada, Indonesia, Russia, Vietnam, Australia, South Korea, Iran, was unanimously praised by customers. Due to production batches, depending on the model, the above picture is only for reference, the details can contact our sales staff to carry out specific verification. National unity free Sales Tel: 400-086-0537