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The advantage of pur hot melt adhesive pur adhesive

by:Sinograce Chemical     2021-03-21
Introduction of PUR hot melt adhesive PUR hot melt adhesive ( 聚氨酯反应) , Chinese full name is the moisture curing reactive polyurethane hot melt adhesive, is a kind of one-component, structure without solvent type hot melt glue, do not contain organic solvents. Hitches in air moisture curing, completely after curing with excellent adhesive strength and shock resistance, and has excellent bonding strength, temperature resistance, chemical corrosion resistance, aging resistance and so on, is a kind of environmental protection, multi-purpose, high performance of high-tech fine chemical products, in recent years has become one of the important varieties of adhesive industry. Is now widely used in packaging, wood processing, automobile, textile, machinery, aerospace, and other areas of the national economy. PUR hot melt adhesive edge point 1:99. 99% solid content, high viscosity; Point 2: low temperature sizing; Point 3: the plastic melt viscosity under low temperature, long development time; Point 4: sizing after cooling solidification can initial adhesion, high viscous force; Point 5: good heat resistance and solvent resistance; # 6: good abrasion resistance, water resistance, high and low temperature resistance. New PUR hot melt adhesive industry application PUR reactive hot melt adhesive for many difficult sticky material surface has a strong stick relay, using range is very wide, not only can cohere porous materials, such as: foam plastic, ceramic, wood, fabric, etc. , and can cohere the material of the surface is bright and clean, such as: stainless steel, aluminum, metal foil, leather and rubber, etc. At the same time for porous material with smooth surface material bonding between each other also is very good, can achieve very high cohesive strength. And can according to the need to allocate the flexible and rigid PUR hot melt adhesive.
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