EVA Foam producers in shanghai

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Shanghai
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TT OR LC
Min Order Qty:
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Supply Capability:
20000 m²/month

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Product Description:

CONSTRUCTION:

Material: EVA Foam

TYPICAL PHYSICALPROPERTIES:

Thickness: 3mm

Hardness: 25, 38, 45, 60 degree

Temperature range: 20 degree below zero to 80

Jumbo Roll: 1m x 100m/100y

Cut Roll: As per customer’s requirements

Color: Black, white or other colors ascoustomer's requirements.

Features

moisture-proof      Shockproof

anti-corrosion       Sound insulation

Applications

Eva materials have many functions and competitive advantage:widelyused to make different shoes,slippers,packing productions,brush,mousepads,luggages and so on, it is waterproof,excelent elasticityUsed in slipper or sandalsproduce, packaging, sports euipment, foor mat, toys etc.

REMARKS:

1.    The data above are typical results and subject to change withoutnotice.

2.    Tolerance: Weight and Thickness: ±10%; Width: ±3mm;

Length: Cut Roll & LogRoll ±0.3m, Jumbo Roll ±0.5%.

3.    The products should be storedat room temperature and be kept away wet and/or heat source.

4.    It is essential, as with allpressure-sensitive tapes, that the surface to which the tape is applied must beclean, dry, and free of grease and oil.

5.    The users should take test anddo trial-application on the above products before coming into application so asto witness and ensure suitability for their special purpose and technique.


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Q:How does the rubber part of the watch become yellow?
The rubber strap is yellow and rubbed with the weld polish. Remember, the ratio is 1 to 70.
Q:Are natural latex rubber products?
Non rubber components contain proteins, lipids, sugars, and inorganic compounds, some of which are compounded with rubber particles, partially dissolved in whey or form non rubber particles. Natural rubber is a kind of polyisoprene as the main component of natural polymer, the molecular formula is (C5H8) n, 91%~94% in its composition is rubber hydrocarbon (polyisoprene), the protein, fatty acid, carbohydrate, ash and other non rubber substances. Natural rubber is the most widely used universal rubber.
Q:How are rubber wires processed?
In the production of rubber products, vulcanization is the last process.Vulcanization is a crosslinking process in which rubber molecules change from linear structure to network structure under certain conditions. Curing methods are cold vulcanization, room temperature vulcanization and heat vulcanizing three kinds. Most rubber products are vulcanized by heat. Hot vulcanizing equipment, vulcanizing pot, flat vulcanizing machine, etc.. Rubber wires and cables are vulcanized by continuous hot air.
Q:What is the composition of the vulcanizing agent for silica gel?
Since the invention of vulcanized rubber has so far has been the main sulfur vulcanizing agent of natural rubber and most diene general synthetic rubber, while the emergence of many new curing agent to improve the performance of rubber products from the full use of significant, but the price is generally more expensive, it is still the main sulfur. Metal oxide is a special vulcanizing agent for chloroprene rubber. In addition to selenium and tellurium, other non sulfur compounds are mainly used in saturated rubber and special synthetic rubber, and peroxide is the most important.
Q:Does antirust oil affect rubber?
Anti rust oil has an effect on rubber, and butadiene rubber is recommended!
Q:Is work in rubber products harmful to health?
In the manufacture of rubber products, the rubber itself is not toxic, but some agents are toxic, so most of the factories are now using intelligent small drug batching system, to avoid direct contact with the human body. In use, some contact with the human body rubber requirements are very high, from the choice of gum species (usually silicone rubber and PU), to the use of mixing agents, have strict requirements. If the general use, such as tires, seals and so on, and the body does not matter much.
Q:How can rubber be preserved without decay?
To preserve the rubber, do the following.1, to avoid long-term direct sunlight, the sun is too strong on the aging of rubber is killed, rubber is usually black, absorbing ability, so will cause the temperature rise, and then the physical properties change, the direct result is soft.2, avoid high temperature environment, said in front of direct sunlight will cause high temperature deformation. Another disadvantage of high temperatures is that it can cause rubber to melt.
Q:Rubber and metal have to be sealed before they are too strong
The percentage difference between the first compression compression = original section diameter minus the trench size divided by the original O ring diameter O-ring compression is mainly depends on the material hardness and O-ring, O-ring if the hardness is 70 degrees, then the O-ring compression is equal to 20%. Of course, the lower the hardness of the O-ring, O-ring compression is greater, mainly used for low pressure places. Then the O-ring hardness increases the amount of compression of the O-ring is smaller, mainly used for high pressure, pressure resistance, resistance of small environment. And so on, the amount of compression can be any hardness O-ring you need.
Q:How do ordinary NBR and EPDM materials differ?
Nitrile rubber (NBR) is composed of butadiene and acrylonitrile was prepared by emulsion polymerization, nitrile rubber by emulsion polymerization at low temperature, excellent oil resistance, high wear resistance, good heat resistance, strong adhesion. Its disadvantages are low temperature resistance, poor ozone resistance, poor insulation properties, and slightly lower elasticity. Nitrile rubber is mainly used in the manufacture of oil resistant rubber products.
Q:What is the difference between rubber expansion joint and rubber joint?
A rubber joint is a hollow rubber product used for flexible connections between metal pipes. The flexible joint is also called soft rubber pipe joints, rubber joints, soft rubber joints, flexible joints, high-pressure rubber joints, rubber shock absorber etc..

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