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3M67 glue spraying is mainly used for bonding light materials, with high initial viscosity and transparent color. 3M75 glue spraying is mainly used in the printing industry, which can be repositioned, adhesive tape-like SPA bonding, no bleeding, no dyeing and no wrinkling; 3M77 glue spraying is mainly used to affect the bonding between horn net and dust-proof cloth, and also can be used to bond leather and foam in furniture industry. High coverage and low absorption rate, and can also be used to bond various light materials.

2, the adhesion of the three is different.

3M67 glue spraying is suitable for bonding thin materials, with stable performance, uniform colloidal particles, poor aging resistance and slightly better initial viscosity. No.75 glue spraying is dry glue spraying, with moderate glue strength and durable glue, which can be pasted repeatedly, especially suitable for occasions where repeated positioning and pasting are needed; No.77 glue spray is a kind of super multi-purpose glue spray, which can not be torn off after sticking, and has the greatest strength.

They have different characteristics.

3M67 has low viscosity, but high temperature resistance; 3M75 glue spray can be pasted repeatedly, and it can be torn off and repositioned if the position is wrong; The glue spraying effect of 3M77 is similar to that of double-sided tape, and it can't be pasted repeatedly, and the adhesion is the best of the three. No.67 glue spraying is suitable for light materials such as foam, and No.77 glue spraying is suitable for computer embroidery and wind power.

Baidu Encyclopedia -3M 77# Glue spraying