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FAQ

What kind of material is the plastic bag commonly used in supermarkets now?

1. HDPE is a shopping bag for supermarkets. It feels cool and hard to use. Do not add color, the bag is very dim.2. low density polyethylene, used for packaged food, feels soft and transparent.

Low pressure plastic raw materials in the process of blowing the two sides of the fold, how to deal with?

The blowing ratio is one of the control points of blown film production and! Refers to the ratio between the bubble diameter and the diameter of not blowing blowing after.

Do you have plastic materials that are low in price instead of ABS?

The hardness is the same as that of ABS. H series PP contains nucleating agent. The hardness of PP after crystallization is 30% higher than that of ordinary PP, 110R is 109R, and the hardness of ABS is

Plastic raw materials, why LDPE and LLDPE?

LDPE is a low density polyethylene with a large number of branched structures. The molecular structure is lack of regularity, so the crystallinity of LDPE is small, 65%~75%, and the density is low, 0.91~0.93 grams / cubic centimeter. LLDPE is a linear low density polyethylene. Its molecular structure is linear, branched less, branched short, and its density is similar to that of LDPE. Its physical and mechanical properties are better than those of LDPE.

Plastic PPT30S add what material will increase hardness?

Commonly used talc and calcium carbonate increase the flexural modulus rather than the surface hardness. To increase surface hardness, a nucleating agent can be used. Moreover, talc and calcium carbonate can not be added to the injection molding, you must use the pumping equipment.

What is the raw material used in the production of plastic products?

Cling film, plastic film are such materials, heat resistance is not strong. Usually qualified PE cling film will appear hot when the temperature exceeds 110 degrees, and will leave some plastic preparations which can not be decomposed by human body. And wrapped with plastic wrap food heating, food grease is easy to preserve the harmful substances dissolved in the film. Therefore, the food into the microwave oven before, to remove the cling film wrapped.

ABS plastic storage conditions

If it is ABS raw materials, storage: rainproof, moisture-proof, anti lightPacking is best provided with a PE inner bag for moisture proofThere is no place to pay more attention.

That kind of plastic bottle blows well

PETA hard, tough, high strength, bright surface with transparent and multi colored sheets. The disadvantage is PET high frequency synthesis is difficult, the price is a bit more expensive than PVC, this material is often high-grade products and environmental requirements of the user to replace the PVC PET material generally used to make packaging for food, beverage, pharmaceutical plastic bottles.