Can EVA materials be bonded? What kind of material is EVA

Hello, EVA material can be bonded; EVA needs to be glued before it can be bonded to the product, this process is called: EVA adhesive; EVA material is backed with environmentally friendly self-adhesive.

Adhesive-backed EVA products can be used in nail files and other electronic products;

Whether you want EVA to stick EVA material or EVA to stick other things, EVA has a special glue, ordinary all-purpose glue can also be sticky, but the effect is not ideal, I have used Weigang's EVA special all-purpose glue, the effect can reach broken materials. I have been sticking with ordinary glue before, and it fell off not long after sticking, and the viscosity is not good, and the effect of breaking the material cannot be achieved, and a lot of rework has been done.

OK. EVA is made of ethylene-vinyl acetate copolymer (also known as ethylene-vinyl acetate copolymer) which is made by copolymerization of ethylene (E) and vinyl acetate (VA), English name: ethylene vinyl acetate, abbreviated as EVA, E vac.

Polymerization method: high-pressure bulk polymerization (for plastics), solution polymerization (PVC processing aid), emulsion polymerization (adhesive), and suspension polymerization. Emulsion polymerization is used for vinyl acetate (VA) content higher than 30%, and high-pressure bulk polymerization is used for vinyl acetate content low.

Characteristics and uses of EVA.

EVA granules can be produced into various EVA sheets, and then the sheets can be processed in various ways, such as punching can be used as packaging lining, and hot pressing can be made into shoe soles. Shenzhen Yidebao foams in this way, and then processes it to other customers.

Biodegradable: No harm to the environment when discarded or burned. Electronics, hardware, and toy industries can all use EVA materials.

Similar to PVC**: EVA** is more expensive than toxic PVC, but less expensive than phthalate-free PVC.

Lighter weight: EVA has a density of to, while PVC is.

Odour-free: EVA does not contain organic odors like ammonia or other organisms.

Free of heavy metals: Complies with relevant international toy regulations (EN-71 Part 3 and ASTM-F963).

Phthalate-free: suitable for children's toys and does not pose a plasticizer release hazard.

High transparency, softness and toughness: a wide range of applications.

Super low temperature resistance (-70C): suitable for icy environments.

Resistant to water, salt and other substances: stable in large portions.

High heat adhesion: can be firmly attached to nylon, polyester, canvas and other fabrics.

Low lamination temperature: Faster production.

EVA is a kind of rubber and plastic foaming material, which refers to "ethylene-vinyl acetate copolymer" and its products. EVA material is characterized by good softness, rubber-like elasticity, good flexibility at -50, good transparency and surface gloss, good chemical stability, good aging resistance and ozone resistance, and no toxicity.

EVA material is a synthetic material, its chemical name is ethylene-vinyl acetate copolymer, EVA material is a very common material, we can often see this EVA material in daily life.

The finished product made of EVA material has good softness, to a certain extent, EVA material also has the effect of preventing **, EVA material slip resistance and pressure resistance is also very strong, we can see EVA slippers, EVA mobile phone protective case and other finished products in daily life.

Uses of EVA:

1. EVA material can be used to make household appliances and daily necessities such as conduits, gas pipes, civil construction plates, containers and other household appliances for household refrigerators.

2. EVA material can be used to make packaging films, gaskets, medical equipment, hot melt adhesives, cable insulation, etc.

3. EVA materials are widely used in wireless binding of books, structural parts of digital product shells, furniture edge banding, assembly of automobiles and household appliances, shoemaking, carpet coating and anti-corrosion coating of metals.

EVA stands for "ethylene vinyl acetate copolymer" and the rubber and plastic foam made of it.

In the field of chemistry and organic chemicals, EVA refers to "ethylene vinyl acetate copolymer" and the rubber and plastic foam material made of it, with the molecular formula (C2H4) X(C4H6O2)Y, used to make refrigerator pipes, gas pipes, civil engineering plates, containers and daily necessities.

Basic Information. Chemical Chinese name: ethylene vinyl acetate copolymer.

English name of chemical: ethylene-vinyl acetate copolymer

Abbreviation of Token: EVA

Molecular Formula: (C2H4)X(c4h6o2)y

Material use. Use 1: EVA material can be used to make household appliances and daily necessities such as conduits, gas pipes, civil construction boards, containers, etc. for household refrigerators.

Use 2: EVA material can be used to make packaging films, gaskets, medical equipment, hot melt adhesives, cable insulation, etc.

Application 3: EVA materials are widely used in wireless book binding, digital product shell structural parts, furniture edge banding, automobile and household appliance assembly, shoemaking, carpet coating and metal anti-corrosion coating.

Answer 1: Foam shoe materials are the most important application fields of EVA resin in China. Because EVA resin blended foam products have softness, good elasticity, chemical resistance and other properties, they are widely used in the soles and interior materials of medium and high-end tourist shoes, hiking shoes, slippers and sandals. It is often used for cosplay prop making and model making.

2. The main purpose is to produce functional shed film, adding a certain amount of EVA resin to make the shed film, which not only has a high light transmittance, but also has a great improvement in anti-fog drop performance, which can generally exceed 4 months.

Take a plastic.

It is formed by the copolymerization of ethylene and acetic acid, and due to the introduction of vinyl acetate monomer in the molecular chain, the high crystallinity is reduced, and the toughness, impact resistance, packing solubility and heat sealing performance are improved.

It is widely used in foam shoe materials, functional shed films, packaging molds, hot melt adhesives, wires and cables and toys, especially in the footwear industry, and is used in the soles and interior materials of medium and high-end tourist shoes, hiking shoes, slippers and sandals.

Classification: 1. EVA with vinyl acetate content below 5%, its main products are films, wires and cables, LDPE modifiers, adhesives, etc.;

2. EVA products with vinyl acetate content of 5% and 10% are elastic films, etc.;

3. EVA with vinyl acetate content of 20-28% is mainly used for hot-melt adhesives and coating products.

Summary. EVA can be used as an additive for plastic coating films.

EVA can be used as an additive for plastic coating films.

Ethylene-vinyl acetate (EVA), also known as polyethylene-vinyl acetate (PEVA), is a copolymer of ethylene and ethylene acetate. The weight percentage of vinyl acetate usually varies between 10% and 40%, with the rest being vinyl. EVA copolymers are divided into three different types, which differ in vinyl acetate (VA) content and the way the material is used.

EVA copolymers based on a low percentage of VA (up to 4%) can be referred to as vinyl acetate modified polyethylene. It is a copolymer that can be processed as a thermoplastic material just like low-density polyethylene. It has some of the properties of low-density polyethylene but adds gloss (for films), softness, and flexibility.

The material is generally considered non-toxic.

Hot melt adhesives (e.g., trembling hot glue sticks) and top-of-the-line soccer boots are often made from EVA and often contain additives such as wax and cavity wide resin. EVA is also used as a cohesive enhancement additive in plastic packaging. The craft foam board is made of EVA and is widely used for baby bend bright child foam stickers.

EVA stands for ethylene-vinyl acetate copolymer.

EVA is a non-toxic, odorless and transparent thermoplastic draft laughing plastic. EVA material is the fourth largest type of ethylene copolymer after the bond clearing of high-density polyethylene, low-density polyethylene and low-pressure low-density polyethylene. Compared with polyethylene, the polar functional group of ester bonds is introduced into the side chain of EVA material, so the crystallinity of EVA material is lower, and the impact resistance and weather resistance are greatly improved.

When the vinyl acetate content in EVA is less than 20%, it can only be used as plastic. EVA has good low temperature resistance, its thermal decomposition temperature is low, about 230, with the increase of molecular weight, the softening point of EVA rises, the processability and surface gloss of plastic parts decrease, but the strength increases, the impact toughness and environmental stress crack resistance improve, EVA chemical resistance, oil resistance compared with PE (polyethylene), PVC (polyvinyl chloride) slightly worse, and with the increase of vinyl acetate content, the change is more obvious.

Uses of EVA:

Shoe materials are the most important application fields of EVA resin in China. The vinyl acetate content in EVA resins used in shoe materials is generally 15% to 22%. Because EVA resin blended foam products have the properties of softness, good elasticity and chemical corrosion resistance, they are widely used in medium and high-end tourist shoes, hiking shoes and slippers.

The main use of EVA film is in the production of functional shed films. The functional shed film has high weather resistance, anti-fog droplet and thermal insulation performance, because polyethylene does not have polarity, even if a certain amount of anti-fog droplet is added, its anti-fog drop performance can only be maintained for about 2 months; The shed film made of a certain amount of EVA resin not only has a high light transmittance, but also has a great improvement in anti-fog droplet performance, which can generally exceed 4 months. In addition, EVA can also be used in the production of packaging films, medical films, laminated films, casting films, etc.