High Density Polyethylene Sheets

High density polyethylene board (HDPE board) core use and performance analysis

High density polyethylene (HDPE) is a plastic sheet made of high density polyethylene as raw material, the molecular weight is usually less than 1 million, the density is 0.941-0.965 g/cm³, with the following core characteristics:
1. Corrosion resistance can resist acid, alkali, salt and organic solvents (except for sulfuric acid, nitric acid).
2. Wear-resisting shock resistant, wear resistance of carbon steel five times the impact strength of 40-50 kJ/m squared, suitable for overload scenario.
3. Light, easy processing and: density is only 1/8 of the steel, forming by cutting, welding, heat methods such as custom.
4. Environmentally friendly and recyclable: non-toxic and tasteless, in line with food contact standards (such as FDA 21 CFR), recyclable.

1. Construction and Building Materials
- Waterproof material basement roof membrane, moistureproof board (weatherability of - 50 ℃ to + 60 ℃) .
Dalle - Indoor partition, ceiling, both thermal insulation and fire resistance (oxygen index of 30 or more).
- Engineering formwork : Instead of wooden formwork, it can be reused more than 50 times to reduce construction costs.

2. Industrial and Chemical Industry
Anticorrosive equipment -: chemical storage tank, pipe lining, valve components (need) special modified hydrofluoric acid resistant. delivery systems: mine chute liner, logistics, conveyor belt rollers (70% lower wear rate than steel)
Electronic packaging -: cable sheath, circuit board base material volume resistivity (> 10 creates ⁶ Ω · cm).

3. Agriculture and Environmental Protection
of agricultural facilities: greenhouses skeleton, breeding anti-seepage film (service life up to 10 to 15 years)
Environmental protection engineering - : landfill impermeable layer and sewage tank lining (seepage coefficient < 10 ⁻ creates after cm/s).

4. Transportation and Packaging
- Vehicles parts, truck plate, ship collision avoidance fender (shock resistance is better than that of ABS).
- Logistics packaging: food-grade tray, shockproof turnover box (GB 9685 food safety standards) .

5. Emerging fields
- Sports facilities: ski collision fence, stadium, shock absorption mat (friction coefficient 0.15 0.25) [[3] (a)] [[8] ()].
- 3D Printing consumables: Modified HDPE wire for low-cost rapid prototyping.
 

With the characteristics of "light corrosion resistance and easy processing", HDPE board has become a general purpose material in construction, industry, agriculture and other fields. In the future, driven by environmental protection policies, its recycled material modification technology and new energy applications (such as photovoltaic brackets) will become the focus of development

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