Introduction to the characteristics of plastic storage tanks

2026-11-05 08:45

Plastic storage tanks are made of pure polyethylene (LLDPE, HDPE) through an additional rolling process. It is characterized by no welding, no leakage, non-toxic, light weight, aging resistance, impact resistance, corrosion resistance, long service life, etc. The advantages of complete overall molding, corrosion resistance, and long service life are particularly prominent. Plastic storage tanks can store and react most inorganic acids, alkalis, salt solutions, and organic solvents, and can partially replace materials such as stainless steel, titanium, nickel, and high-end alloy steel. The plastic storage tank products comply with the hazardous materials storage and transportation regulations and are ideal storage containers for chemical corrosion solutions and cleaning solutions. This product meets national hygiene standards and can replace stainless steel containers for transporting food grade solutions.

 

Plastic storage tanks have the following seven characteristics:

1. The plastic storage tank is formed in one time, with good integrity, no weld, no leakage, strong impact resistance, high tensile strength, good oxidation resistance and aging resistance, and meets the food hygiene standards.

2. Due to its excellent performance and unique layout of rolled plastic cans, LLDPE has a service life of over 15 years.

3. Very excellent chemical resistance, except for a few solutions that can cause it to expand, it can tolerate almost all substance solutions.

4. Plastic storage tanks have the characteristic of anti-corrosion both inside and outside, and can be placed in highly corrosive environments.

5. In general, the operating conditions for storage tanks are normal temperature and pressure; In exceptional cases, the operating conditions for the storage tank are a temperature below 70 ℃ and a hydraulic pressure below 1kg/cm2.

6. Roll molded anti-corrosion plastic cans have great advantages in large and large-scale products. Although it has a large volume, it only maintains the integrity of forming once, which cannot be achieved by other can processes.

7. Compared with traditional anti-corrosion tanks, it has a low price and high cost-effectiveness.

 

At present, domestic anti-corrosion tanks can be roughly divided into three categories: steel plastic tanks, all plastic tanks, and fiberglass tanks. Due to the impact of the low-carbon trend, fiberglass storage tanks are gradually moving away from the chemical industry, rather than all plastic storage tanks (plastic storage tanks). Suitable for chemical liquid storage in industries such as chemical engineering, biotechnology, pharmaceuticals, pesticides, metallurgy, rare earths, machinery, electricity, steel, environmental protection, textiles, and food.

 

All plastic storage tanks are produced using the rolling molding process. The materials used are polypropylene modified materials, llpe, HDPE mixture, and special roller mold additives (additives). The characteristics of all plastic storage tank are: plastic storage tank can be formed in one time, with no weld, no leakage, non-toxic, light weight, anti-aging, impact resistance, corrosion resistance, long life, and in line with health standards. Its price is lower than that of stainless steel storage tank and ordinary glass fiber reinforced plastic storage tank. Of course, a longer lifespan under natural conditions is another perspective for rolling plastic cans.


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