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HDPE chemical drum&barrel introduction

Views: 0     Author: Huan Machinery     Publish Time: 2021-08-03      Origin: Huan Machinery

Plastic chemical barrels are also called plastic chemical barrels. They are blow-molded using scientific formulas. They have diverse colors and beautiful appearance. They are resistant to acid and alkali, corrosion, leakage, non-fading, and non-deformation. Ideal for long-distance transportation of packaging materials for chemical products.


Features of HDPE barrels:

Plastic chemical barrels have the advantages of one-time forming of integral polyethylene (PE) without seams, impact resistance, aging resistance, light weight, no leakage, acid and alkali resistance, long life, and hygiene standards. The performance is much better than traditional glass fiber reinforced plastics. Containers, plastic welded containers, steel-lined rubber containers, etc. [


Application of HDPE bucket:

It can replace stainless steel, titanium and other metal product containers in a considerable range. It is the most ideal corrosion-resistant storage and transportation equipment for chemical liquids, and it is inexpensive and good-quality. Products are widely used in chemical, dye, pharmaceutical, pesticide, metallurgy, rare earth, machinery, electronics, environmental protection, textile, food and other industries.


HDPE barrel specifications:

Commonly used plastic chemical barrel specifications are 5L, 10L, 16L, 18L, 20L, 25L, 30L, 50L, 60L, 120L, 150L, 120L, 200L, etc.

高端机

The main process factors affecting plastic blow molding barrels

The main factors affecting production and product quality are temperature, melt, pressure, and melt flow speed.

1. Temperature has a significant impact on the performance of plastic extrusion and parison. Increasing the temperature of the extruder can reduce the viscosity of the melt, improve the fluidity of the melt, reduce the power consumption of the extrusion, and increase the screw speed without affecting The mixing and plasticizing effect of plastics is beneficial to improve the strength and smoothness of products.

The transparency of the product and the excessively high melt temperature make the longitudinal thickness of the pictogram under the weight of the parison appear uneven, increase the shrinkage of the product, and the high temperature affects the shortening of the service life of the plastic degradable material. For polyethylene barrels, it is true Master the temperature and use the electronic temperature controller to stabilize the process temperature and save energy significantly. Generally, the set temperature is set at every 100-150°C for plasticizing every 200-230°C and compression every 180-200°C.

2. The influence of melt pressure

The high melt pressure promotes good plasticization and uniform coloring of the mixture. Because it is a blend of high-density polyethylene and low-density polyethylene, and the coloring reverse field, the crystal points and cloud-like patterns on the parison are reduced. Increase the screw speed to increase the melt pressure.

3. Melt transfer rate

The higher the melt conveying rate and the higher the output of the extruder, the increase of the screw diameter and the temperature of the extruder can increase the melt conveying rate.

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