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The material and use of EVA

Apr 16, 2021

Traditional large foaming of flat panels now mostly adopts this process in domestic small factories, and the equipment cost is relatively low. This kind of process is made of plates, which also need to be made into products through processes such as punching and edging. EVA products made of foamed EVA materials have good flexibility, shock resistance, anti-skid, and strong resistance to pressure. They are widely used in the shoe material industry, packaging industry, electronic products, hardware tools, sports equipment, toys and other fields. Such as our common EVA slippers, EVA packaging lining, EVA mobile phone protective cover, EVA welt, EVA floating board, EVA protective helmet and other daily products.


Waterproof foam tape is a kind of self-adhesive waterproof sealant made of EVA as the main material, with other additives, and processed through advanced technology. It has a strong adhesion to the surface of various materials. At the same time, it has excellent weather resistance, aging resistance and water resistance, and has the functions of sealing, damping and protecting the surface of the adherend. Because it does not contain solvents, it does not shrink or emit toxic gas; because it does not solidify for life, it has a good follow-up to the thermal expansion and contraction of the surface of the adherend and mechanical deformation. It is an advanced waterproof material. Features of waterproof foam tape:


Various colors of EVA foot pads, fireproof EVA, environmentally friendly EVAPORON pads, EPDM, glass packing gaskets, pearl cotton lining, pearl cotton products, sponges, pearl cotton products, special adhesive stickers, shockproof products, etc. According to the needs of different customers, various specifications of products are customized.


1: Main purpose: play an isolation role in the glass storage and transportation process, adjust the distance, prevent the glass and the glass from contact, collision, scratches, scratches and breakage, etc., effectively protect the glass, make it Intact. Protected objects: tempered, hollow, laminated, coated, bulletproof and other deep-processed glass: 2: Product features: beautiful, clean and residue-free, safe, easy to install, can be easily on the glass for a long time, and easy to remove, Even after heavy pressure, it will not leave a trace when it is torn off, and there will be no residue


EVA foam double-sided adhesive tape is a roll-shaped adhesive tape made of paper, cloth, and EVA film as the base material, and then uniformly coated with elastomer pressure-sensitive adhesive or resin-type pressure-sensitive adhesive on the above-mentioned base material. It is composed of three parts: base material, adhesive, and release paper (film). According to the adhesiveness, it can be divided into solvent-based adhesive tape (oil-based double-sided adhesive), emulsion adhesive tape (water-based EVA double-sided adhesive product), hot-melt adhesive tape, calendered adhesive tape, and reactive adhesive tape . Generally, it is widely used in leather, nameplate, stationery, electronics, automotive trim fixing, shoe industry, paper making, handicraft pasting and positioning, etc. Hot melt double-sided adhesives are mainly used in stickers, stationery, office, etc. There are many types of EVA foam double-sided tape products: mesh EVA double-sided tape products, reinforced EVA double-sided tape products, high-temperature EVA double-sided tape products, non-woven EVA double-sided tape products, and residue-free EVA double-sided tape products , Tissue paper EVA double-sided tape products, glass EVA double-sided tape products, PET double-sided tape, EVA foam double-sided tape products, etc., are used in the production process of all walks of life.


Waterproof foam tape has high bonding and tensile strength, good extensibility and elasticity, strong support, and complex adhesion to rough surfaces. Moderate thickness, very flexible, suitable for different or strict use spaces. It is especially suitable for bonding fixed structural components of automobile decoration in electronic products. How to use the waterproof foam tape: Before applying the tape, thoroughly remove the oil and dust on the substrate to be attached, wash off other contaminants, and then tear off the tape. Pay attention to fingerprints or other pollutants. According to the size of the substrate to be pasted, cut off the tape and squeeze it hard after it is pasted. The surface and pressure of the tape must be applied with sufficient pressure. The adhesive force of the tape is good for 72~96 hours after bonding, and it needs primer to face plastic, rubber, special coating and other substrates.


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