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What's the difference between cans and plastic bottles?
- The glass bottle can be used repeatedly and is inconvenient to carry, but there are phenomena of cleaning up, cross contamination and fraud, and people can not be relieved.Plastic bottle, glass with respect to that of oxygen and carbon monoxide permeability coefficient is large, it will lead to a chemical reaction between packing objects and packaging, packaging is also due to the oxidation of the flavor deterioration occurred, and the aging of plastic products also affect the appearance quality, beautiful appearance and practicability, and environmental pollution.s
How can lenses be made out of plastic or resin?
- Resin is plastic, plastic is resin, different name only, the general production of industrial raw materials called resin, made out of finished products called plastic, such as plastic basins, plastic cups and the like. Probably because most of the plastic products are cheaper, make lenses, or continue to call the resin, not plastic, so as not to feel too worthless.s
What is environmentally friendly engineering plastics?
- Now technically called environmentally friendly engineering plastics generally refer to halogen-free plastics,s
How do you dye plastics?
- Dry staining dye and a certain proportion of plastic pellets into the rotating drum, and adding 0.01%~0.1% zinc stearate or white mineral oil as a wetting agent to make plastic and easy to dye binding, rotating drum to make plastics and dye mixing.s
How do I see if the plastic cup is qualified?
- As a result, the identification of plastic varieties has become simple and easy, and the cost of recycling has been substantially reduced. Today, many countries in the world have adopted the SPI logo scheme. China enacted almost identical labeling standards in 1996.s
Why should I granulate before injection? What's the advantage of granulation?
- The process of granulation is to rearrange the structure of the plastic by melting, and the injection is exactly the same. No change in physical properties. Their relationship is upstream and downstream, not tied together. Granulation in order to facilitate injection molding.s
Why can't we discard plastic products at will?
- PET (polyethylene terephthalate), mineral water bottles and carbonated beverage bottles are all made of this material, with a maximum heat resistance of up to 70 degrees celsius. Use 10 months later, may release carcinogenic substances, so the home try not to use these disposable beverage bottles, especially with vinegar and cooking wine. Many factories will import 1 kinds of plastic processing, production of textile fiber, polyester and so on. These manufactures are less affected as long as they do not touch the body directlys
How to make plastic products soft?
- Scald it in hot water, but it's soft at one time. Now it's getting warmer, so you don't have to worry about it. Because the weather is so warm, the plastic lines are fine and soft! It's comfortable to take!s
How to thaw frozen water pipes
- During winter months, water inside plumbing can freeze and, in the worst cases, crack or burst pipes. Not all frozen pipes break, however, and you can prevent major problems by car...
What is a rubber tree
- Rubber trees, deciduous trees, have milky sap. It requires average annual rainfall of 1150 to 2500 mm, but rubber trees should not be planted in areas of low humidity. Suitable for...
How to unfreeze water pipes
- How to unfreeze water pipes?Here are some practical method for you to solve this problem. By wrapping heat tape around them and then insulate both the pipe and heat tape but make s...
what is the best lawn fertilizer
- How do you choose the best lawn fertilizer when there are literally hundreds of fertilizer products to choose from?What do the fertilizer numbers mean?Are organic lawn fertilizers ...
What does rubber mean
- Rubber (Rubber): It is a kind of reversible deformation elastomeric polymer material. Under room temperature,it has the characterrictic of elastic. Under a small external force ,it...