HI-ZEX MILLION™

Ultra-high molecular weight polyethylene

Applications detail

lining, line guide rails and pickers, battery separators, fiber, filter, adhesive tape

Summary

HI-ZEX MILLION™ is an ultra-high molecular weight polyethylene that was originally developed by Mitsui Chemicals. The average molecular weight of HI-ZEX MILLION™, ranging from 500,000 to 6,000,000, is incomparably greater than that of ordinary polyethylene. Because of its outstanding properties, HI-ZEX MILLION™ is used in a variety of fields: electronic material, industrial material, medical equipment and food manufacturing, etc.

HI-ZEX MILLION™’s density of 930-950 kg/m3 is one of the lowest among engineering resins, and can decrease the weight of the product. In addition, since HI-ZEX MILLION™ does not absorb moisture, HI-ZEX MILLION™ is not subject to swelling or hydrolysis, and preliminary drying is unnecessary before molding. HI-ZEX MILLION™ has a broad range of grade lineups, including hygienic safety grades conforming to FDA specifications, to meet a variety of needs.

Abrasion resistance

HI-ZEX MILLION™’s abrasion resistance is higher than that of metals such as carbon steel and brass, and is several to more than 20 times as high as that of ordinary polyethylene.

Impact resistance

The impact strength of polyethylene rises as its molecular weight increases. The impact strength of polyethylene reaches its highest level at a molecular weight of 2,000,000. HI-ZEX MILLION™’s impact resistance is higher than that of other resins and ordinary polyethylene, and it is maintained at extremely low temperatures.

Self-lubrication

HI-ZEX MILLION™’s low coefficient of friction allows the un-lubricated sliding of parts that are in contact with metal surfaces without frictional seizing. Furthermore, because of its hydrophobic nature, any water-containing slurry of minerals will not deposit on HI-ZEX MILLION™.

Chemical resistance

HI-ZEX MILLION™ demonstrates excellent chemical resistance and shows high stability against acids and alkalis.

UML sheets, screws, snow mobile gears/rails, slug hopper lining, battery separators, artificial limbs, high-strength fibers, Sliding tape

Lineup of ultrahigh molecular weight polyethylene of Mitsui Chemicals
Lineup of ultrahigh molecular weight polyethylene of Mitsui Chemicals
Abrasion resistance

HI-ZEX MILLION™’s abrasion resistance is higher than that of metals such as carbon steel and brass, and is several to more than 20 times as high as that of ordinary polyethylene.

Relationship between polyethylene molecular weight and sand abrasion index
Relationship between polyethylene molecular weight and sand abrasion index
Sand abrasion Index of HI-ZEX MILLION™ Compared with Other materials
Sand abrasion Index of HI-ZEX MILLION™ Compared with Other materials
Strength is maintained at extremely low temperatures

The impact strength of polyethylene rises as its molecular weight increases. The impact strength of polyethylene reaches its highest level at a molecular weight of 2,000,000. HI-ZEX MILLION™’s impact resistance is higher than that of other resins and ordinary polyethylene, and it is maintained at extremely low temperatures.

Molecular Weight Dependence of Impact Strength
Molecular Weight Dependence of Impact Strength
Impact Strength of the HI-ZEX MILLION™ Compared with Engineering Resins
Impact Strength of the HI-ZEX MILLION™ Compared with Engineering Resins
Seizing will not occur
Seizing will not occur

HI-ZEX MILLION™’s low coefficient of friction allows the unlubricated sliding of parts in contact with metal surfaces without frictional seizing. Furthermore, because of its hydrophobic nature, any water-containing slurry of metals will not deposit on HI-ZEX MILLION™.

Sheet Sheet
Screw Screw
Snow Mobile Gear/Rails Snow Mobile Gear/Rails
Lining for Hopper Lining for Hopper
Battery Separator Battery Separator
Artificial Limb Material Artificial Limb Material
High-Strength Fiber High-Strength Fiber
High Sliding Tape High Sliding Tape

PDF Catalog

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