How to distinguish between PE foam and EVA foam?

Foam is also called sponge by some people. It is divided into many kinds, such as EVA foam, PE foam, PU sponge, etc. It is necessary to determine which foam or sponge is suitable for use according to its specific use. EVA is a new type of foaming material. EVA foaming material is composed of main material EVA, filler, foaming agent, bridging agent, foaming accelerator, lubricant, auxiliary materials: leftover material, antistatic agent, flame retardant. , quick-cooking agent and colorant, the raw material is made into soft glue by a glue machine, the soft glue is pressed into a sheet by a roller machine, and the sheet material is put into a large flat foaming mold, and through 160 to 170 degrees high temperature, foam molding, this process is made of sheets, and the desired size and thickness are cut through the cutting machine.

The essential difference between EVA foam PE foam and EVA foam lies in their materials. PE foam double-sided tape is based on polymer foam material, coated with high-performance pressure-sensitive adhesive (acrylic adhesive or rubber-type adhesive) on both sides, and compounded with single-silicon or double-silicon release material.

PE foam double-sided tape refers to a double-sided tape made of acrylic glue on both sides of the PE foamed substrate. The main colors are white, black and gray, the common thicknesses are 0.3mm, 0.5mm, 0.8mm, 1.0mm, 1.5mm, 2.0mm and 3.0mm, and the foaming times of foam are 5 times, 8 times, 10 times, 15 times , 20 times and 30 times, the release type is mainly release paper (white, yellow) and release film (red, green, blue, orange), use: eva material processing is suitable for photo frame decoration strips, furniture decoration strips, automobiles The sticking and fixing effect of trim strips, wave plates, wheel arcs, baffles, plate brake lights, car logos, motorcycle signs, electrical nameplates, tops, etc. Features: strong adhesion, good persistence, UV protection, temperature resistance , water resistance, solubility and plasticity resistance. Applicable temperature: -20℃~120℃.

The difference between PE foam and EVA foam: the surface pores can be distinguished, PE foam has no small holes, the main raw material of PE foam is PE plastic particles, and the main raw material of EVA foam is EVA plastic particles.