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What are the criteria for the classification of plastic materials at injection molding and extrusion?
- The new plastic materials, manufacturers have set by type of good applicability, according to the model can be used, but not to say that the plastic extrusion grade no injection molding, injection molding grade plastic extrusion processing can not, some engineers to use the material properties, will use the technological method for solving extrusion or injection molding grade between the influence.s
What is plastic film material?
- You should first say what type of plastic film you are going to make. You should make a bag or make a plastic wrap. The type is different. You should see what determines what material to use, and the plastic film is also divided into many kindss
What plastic material has great impact resistance?
- The ability of metal materials, machinery parts and components to resist impact damage is called impact strength.s
How to make plastic raw materials?
- oil refiningPetroleum crackingCracking is the process of breaking down hydrocarbons with relatively large molecular weight and high boiling point under certain conditions, which are relatively small molecular weight and low boiling point hydrocarbons.Cracking under catalysis, also known as catalytic cracking.s
What does plastic material include?
- Plastic bags are the main raw materials of polyethylene and polyvinyl chloride, are non degradable. The main raw material for the production of plastic bags and polystyrene, polypropylene polymer, waste plastic packaging into the environment, because of its difficult degradation, will cause deep ecological environment problems, the long time. Waste plastic packaging is mixed in the soil, affecting crops absorb nutrients and moisture, will lead to crop failures; abandoned waste plastic packaging on land or in the water, animal as food ingestion, will lead to the death of the animal.s
How to identify the proportion of nozzle material in plastic?
- It can be analyzed according to the melting point value (MFI/MI) of plastic material. Generally not to exceed the raw material index 30% judgment. Example: GE C1200 raw material MI value is 19., the judgment basis is: 19+19*30%=24.7, if the test result is more than 24.7 numerical value many, basically can judge the plastic performance not to be able to satisfy the request.s
Does anyone know what kind of plastic material PP-M40 is?
- Compared with the ordinary PP, the filling PP has the advantages of less shrinkage, higher rigidity and good heat resistance, and is suitable for being used as an electric cooker, an inner ring, an automobile, a motorcycle fitting, etc..s
What type of raw material for plastic straw?
- The main component of plastics is resin. The term was first resin secrete by animal and plant lipid and its name, such as rosin, shellac, resin is not mixed with various additives and polymer compounds. Resin accounts for about 40% to 100% of the total weight of plastics.s
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...
How to unfreeze frozen pipes
- Water pipes in a frozen state can give you more problems than you can ever imagine. It can stop water from flowing into your faucets keeping you from doing the everyday things that...
what cause noisy water pipes
- Water pipes that make a lot of noise when people run water can be caused by high water pressure, loose mounting straps or even a water hammer. Troubleshooting a water system is an ...
What is rubber banding
- Rubber banding of hydraulic and pneumatic drive system is the most widely used material. Rubber banding has excellent heat, cold, ozone resistance,and have the resistance to atmosp...
what to do when pipes freeze
- Shut off the water immediately. Don't attempt to thaw frozen pipes unless the water is shut off. Freezing can often cause unseen cracks in pipes or joints.Apply heat to the fro...