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FAQ

What is the difference between PPA plastic raw material and PP?

PPA is a high temperature nylon, generally used in the automotive industry and the electrical and electronic industry, it has the characteristics of high temperature resistant nylon, but also much higher than nylon, that is to say in the high temperature working environment inside it will be more excellent performance than ordinary nylon, longer service life. At present, the high temperature nylon base material on the market is basically nylon 46, nylon, 6T, 9T and so on.

What are the raw materials needed for making plastic bags?

The bags made of two materials each have their own characteristics, and are chosen according to the purpose and performance of the products. Polyethylene is petrochemical products, prices vary according to crude oil and market conditions every day, at present LDPE (high pressure polyethylene) offer at 13500 yuan. HDPE (low pressure polyethylene) at 11000 yuan up and down.

What is the difference between ABS plastic raw materials and recycled materials? Or how to distinguish between raw materials and recycled materials?

1. recycled material is not natural (ABS is yellow).2. non black pellets with black spots are recycled.3. the impurity in the aggregate is the recycled material.4. of the voids in the pellets are recycled.5. do MFI test, the result is more than 10% of indicators are recycled material.6., feed heating, smell, smoke, melting temperature is low, fast flow is recycled material.

Raw materials for making plastic bags

The common food plastic bags are made of polythene film. The film is non-toxic and can be used to hold food. There is also a film made of PVC, PVC itself is non-toxic, but according to the use of film additives are often harmful to human substances, has a certain toxicity. Therefore, this kind of film and plastic bag made of this film should not be used for containing food.

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.

PVC what chemicals do you need for plastic surface treatment?

Different processing methods are often required for different materials.

I do PA, PC, PP and other plastic raw materials can be used in the eye frame and lens it

There are PC lensesThe PC material is more impact resistant than polymer resin, often used in aviation equipment transparent windows, police on the mask, and the astronaut's helmet mask, it is only about 1/10 the weight of glass, resin lenses compared with traditional is only half of the weight.

What are the raw materials for environmental friendly portable plastic bags?

The more advanced shopping bags made of PBAT and PLA composites are expensive, but biodegradable plastic.