What is the meaning of HDPE Bottle?

HDPE Bottle has good chemical stability. It is insoluble in any organic solvent at room temperature, resistant to corrosion by acid, alkali and various salts. At the same time, HDPE Bottle has low permeability to water vapor and air and low water absorption.

Can the HDPE Bottle be used multiple times?

What are the precautions for HDPE Bottle production?

What are the processing characteristics of HDPE Bottle?

Can the HDPE Bottle be used multiple times?

HDPE Bottles are not recommended for recycling. The reasons are as follows:

Because high-density polyethylene (HDPE) itself is very safe to fill with water, and it does not need to add plasticizers during processing like polyvinyl chloride (PVC), as long as the bottle mouth has not been opened, there is no problem with filling water.

What needs to be paid attention to in recycling is cleaning and sterilization, but this kind of narrow-mouthed bottle is not easy to wash, and many people tend to ignore the cleaning problem of the bottle, thinking that it will not be dirty just by filling it with water, but it is not, especially the bottle cap. The places where the hands often touch is even a safety hazard.

What are the precautions for HDPE Bottle production?

The cross section of the HDPE Bottle should be rectangular or oval, and the plastic parts used with the plastic bottle mouth are mainly bottle caps and sealers.

The design of the HDPE Bottle mouth should focus on how to make the plastic bottle mouth better fit with the cap and sealer.

The bottom of the HDPE Bottle is the weak part of the mechanical properties of the plastic bottle. Therefore, the bottom of the plastic bottle is generally designed to be inwardly concave; the corners of the HDPE Bottle and the inner concave are all made with larger arcs. In order to facilitate the stacking of plastic bottles and increase the stacking stability of plastic bottles, an inner groove should be designed at the bottom of the plastic bottle.

What are the processing characteristics of HDPE Bottle?

The raw materials of HDPE Bottle are cylindrical or oblate particles, the particles are smooth and clean, the size of the particles should be 2 mm to 5 mm in any direction, no mechanical impurities, and thermoplastic.

HDPE has good fluidity, low processing temperature, moderate viscosity, low decomposition temperature, and does not decompose at high temperature of 300 ℃ in inert gas, so it is a plastic with good processing performance.

HDPE Bottle is easy to crystallize during cooling, therefore, mold temperature should be paid attention to during processing. In order to control the crystallinity of the product, it has different properties. Polyethylene has a large molding shrinkage, which must be considered when designing the mold.

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