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This is the molding process of plastic products. Plastic molding process has molding, extrusion, injection molding, blow molding, spraying, calendering, roll molding, etc., each process has its own characteristics, in this inconvenience one by one detail, please understand.
- Plastic products can be processed by machining, because of the variety of plastics, like metal materials, different varieties of plastic, machining parameters are also different. Such as cutting tools, cutting the choice of the amount, we must consider the composition of plastic, additives and its physical properties.s
How do you clean the scotch tape on the plastic?
- After a wet rag pour gasoline or loose perfume can be wiped off, a piece of cloth wet then pour some gasoline or loose perfume can also scrub transparent plastic adhesive tape, because they are chemical substances on the inside, when cleaning plastic transparent tape adhesive very quickly, but not on their hands.s
What if the plastic is broken?
- The ultrasonic melt method is effective for thermoplastic resin products, and can be processed at high speed, and the shape can be arbitrary.s
When was plastic invented?
- Advantage1., most of the plastic corrosion resistance, and not with acid, alkali reaction.2. plastic manufacturing costs low.3. durable, waterproof, light quality.4. easy to Suzhi into different shapes.5. are good insulators.6., plastics can be used in the preparation of fuel oil and fuel gas, which can reduce oil consumption.shortcoming1., the recycling of waste plastics, classification is very difficult, but also uneconomical.2.. Plastics burn easily and produce poisonous gases when they burn. For example, toluene combustion produces a small amount of polystyrene, this substance can cause blindness, vomiting and other symptoms of inhalation, PVC combustion will produce toxic gases, hydrogen chloride in combustion, is a high temperature environment, will lead to plastic decomposition of toxic components, such as benzene etc..3. plastics are made from petroleum refining products, and oil resources are limited.4. plastic buried in the ground for hundreds of years, thousands of years or even tens of thousands of years will not decay.5., the heat resistance of plastic is poor, easy to aging.6. because of the inability of plastics to degrade naturally, it has become the number one enemy of mankind and has led to the tragedy of many animal deaths.s
What are the common plastics??
- Low density polyethylene (PE-LD or LDPE): common in cling film, plastic film. Low density polyethylene heat resistance is not strong, do not pack in the food surface into the microwave oven, usually in the temperature of more than 110 degrees when there will be hot melt phenomenon, will leave some of the body can not be broken down the plastic preparations.s
How can plastics be broken down into harmless substances?
- White pollution is one of the plastic packages that are difficult to degrade. Disposable foam tableware such as fast and we used plastic bags and so on. It is very serious environmental pollution, buried in the soil is difficult to decompose, the soil will lead to reduced capacity, if the burning causes air pollution, so I do not advocate or less with it, buy the best own tools to reduce its use.s
Types and uses of agricultural plastic products?
- According to the division of agricultural plastic application areas are mainly agricultural covering materials; agricultural water supply pipeline and water saving equipment; plastic packaging materials and agricultural planting, breeding, storage with various materials. Agricultural film is the most important component of China's plastics industry, and it is an important means of production in the development of modern agricultures
What kind of plastic can touch food?
- PE can be used for plastic bags and plastic wrap; PS foam can be used as a disposable plastic bowl; PET can be used as a beverage bottle; common soda water and mineral water bottles are PET; PC can be used as water cups.s
What to do when your pipes freeze
- “Frigid temperatures can lead to frozen water pipes inside of the home and costly plumbing repairs, while substantial amounts of blowing and drifting snow can impede access to fi...
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 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...
what is silicone rubber
- Silicone rubber (SiliconeRubber) is a molecular bond properties of both inorganic and organic polymer elastic material, the primary key elements of its silicon atoms and oxygen ato...
What is natural rubber
- Natural rubber is commonly referred to as Brazil Hevea.It has been found in more than 2000 kinds of plants with plastic,such as rubber, cassava, rubber America, India fig, Africa a...