EVA sole profile

by:BEF     2020-07-01

EVA shoe sole refers to the use of EVA material. High toughness, EVA sole resilience and resistance to tension, has a good shockproof, buffer performance, excellent insulation cold and low temperature resistance, resistant to cold, airtight bubble hole, sound insulation effect is good, airtight bubble pore structure, non-absorbent, moisture-proof, waterproof properties is good, resistance to sea water, oil, acid, alkali and other chemical corrosion, antibacterial, non-toxic, tasteless, no pollution.

is characterized by good flexibility of EVA soles, rubber elasticity, under 0 ℃ can still has good flexible, good transparency, or surface gloss, good chemical stability, anti-aging and good ozone resistance strength, non-toxic. With good packing mixing, colouring and forming good workability.

it and vinyl acetate content and molecular weight, melt index relationship is very large. When the melt index ( MI) Certainly, vinyl acetate ( VA) Content increase, the elasticity, softness, and improve the intermiscibility, transparency, etc. When the VA content reduce, the performance is close to the PE, high rigidity, wear resistance, electrical insulation.

when the VA content must, melt index increased, the softening point is reduced, processability and improve surface gloss but strength will decline, otherwise, the molecular weight increased with the decreasing of MI, impact performance and environmental stress cracking resistance improved. The polarity of the acetic acid root increased elasticity and stickiness, crystalline and performance decline, soluble in hydrocarbon solvents and oils.

tag: EVA sole
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