Definition
The UPE bin lining board is an inner – lining plate for storage equipment made of ultra – high molecular weight polyethylene (UPE, Ultra High Molecular Weight Polyethylene). Its core function is, by virtue of characteristics like high wear resistance, impact resistance, and self – lubrication, to reduce the wear and adhesion of materials (such as ore, coal, grains, etc.) to the bin wall during the storage process, improve the operational efficiency of the storage system, and extend the service life of the equipment.
Material
Basic Materials
- Ultra – high molecular weight polyethylene (UPE) usually has a molecular weight ranging from 1.5 million to 6 million. The highly crystalline molecular chain endows the material with unique comprehensive properties.
- Additives such as antistatic agents, flame retardants, and UV stabilizers can be added to meet the requirements of different scenarios (e.g., explosion – proof, weather resistance).
I. Performance
Core Performance
- High Wear Resistance: The wear – resistance index is 7 – 10 times that of carbon steel, making it suitable for high – wear scenarios (such as ore and slag storage).
- Impact Resistance: Even at a low temperature of – 269℃, it still maintains excellent toughness and is not prone to breakage.
- Self – lubrication: With a low friction coefficient (0.07 – 0.11), the materials flow well, reducing the problem of material sticking in the bin.
- Corrosion Resistance: It can resist the corrosion of acids, alkalis, and salts, especially suitable for storing chemical raw materials.
- Non – stickiness: The surface is not easily adhered to by moisture and materials, reducing the frequency of bin cleaning.
Other Performance
- Aging Resistance: After adding additives, it can resist ultraviolet rays, thus extending its outdoor service life.
- Environmental Friendliness: It is non – toxic and odorless, meeting food – grade standards (such as for grain storage).
II. Application Fields
Industrial Storage
- Mining and Metallurgy: Inner linings of ore bins, hoppers, and chutes can reduce the frictional loss of ore.
- Power and Coal: Anti – sticking and anti – blocking of coal bins and slag bins can improve the unloading efficiency.
- Chemical Industry: Inner linings of storage equipment for corrosive materials (such as fertilizers, acid and alkali solutions).
Agriculture and Food
- Grain Storage (such as wheat, corn): It can prevent pests and resist adhesion, meeting hygienic standards.
- Feed Processing: The inner lining of the feed bin can reduce material residue and is convenient for cleaning.
Other Fields
- Ports and Docks: Inner linings of ship cargo holds can reduce the wear and tear during cargo loading and unloading.
- Construction and Building Materials: Anti – sticking design for the storage bins in concrete mixing plants.