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What plastics are environmental protection materials now?
- Biodegradable plastics and water degradable plastics are environmental friendly materials.s
Is the plastic case transparent or opaque?
- From the convenience of speaking, transparent, easy to organize, easy to see the contents of the collection, and opaque, but need to open the view.s
Why plastic is not environmentally friendly?
- Due to the inability of plastics to degrade naturally, it has become the number one enemy of mankind, and has also led to the tragedy of many animal deaths. For example, the monkeys in the zoo, pelicans, dolphins and other animal, are readily lost visitors swallowed 1 plastic bottles, and finally as indigestion and painful death; looked beautiful and pure sea, approaching the look, in fact, filled with various kinds of unable to accommodate the oceans of plastic waste, in more than one die seabirds sample intestines, found all kinds of plastic can not be digested.s
What do you mean by the release angle of plastic parts?
- Inclination direction. In the small end hole to prevail, meet drawing requirements size, inclination to expand direction; shape is as big as the standard, to meet the requirements of drawings, to obtain small inclination direction. Generally, the stripping slope. Without the limitation of the tolerance zone of the product, the release inclination of the high precision plastic products should be within the tolerance zone.s
What are the advantages and disadvantages of plastics?
- Plastics have better corrosion resistance to ordinary acids, alkalis, salts and greases than metals and some inorganic materials. Especially suitable for chemical plants such as doors and windows, floors, walls and so on.s
Why don't you put the plastic bags in the fridge?
- Don't put the plastic bags in the refrigerator, or the consequences will be serious.s
What does "stress hardening" of plastic molding mean?
- Plastic stress hardening phenomenon, refers to the plastic molding process, with the orientation of the increase of intermolecular forces increased, causing the polymer viscosity, the polymer showed "hardening" tendency, the deformation tends to be stable and no development. This phenomenon of orientation process becomes "stress hardening"".s
What additives are used in plastics?
- The main requirements for plastic additives are: high efficiency: can effectively play its functions in the plastics processing and application. The comprehensive performance requirements should be based on the selection of additives mixing. The compatibility with synthetic resin better compatibility. The persistence: volatile in plastics processing and application process no exudation, does not migrate, dissolution. The chemical stability: no decomposition in plastics processing and application process, and the synthetic resin and other components of chemical reaction. The non-toxic, without any toxic effects on the human body. The price is low.s
what to do about frozen pipes
- Everyone may encounter the situation of frozen pipes in winter.With temperatures predicted to fall to 0 to 10 degrees overnight, frozen water pipes will be a concern for some midst...
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...
How to keep water pipes from freezing
- If you don’t want to pay too much money for having your frozen water pipes fixed and be greatly inconvenienced, then follow the steps below to keep your water pipes in tip top sh...
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...
what is organic fertilizer
- Organic fertilizers are fertilizer compounds that contain one or more kinds of organic matter. The ingredients may be animal or vegetable matter or a combination of the two. It is ...