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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Technical Datasheet | Supplied by Mitsui Chemicals
MIPELON™ XM-221U is an ultra-high molecular weight polyethylene (UHMWPE) grade by Mitsui Chemicals. Exhibits low water absorption, good impact strength and innovative processability. Possesses uniform & smooth surface and exceptional mechanical strength. It is a self-lubricating, easy to mold grade with high durability and uniform dispersion. Offers superb chemical-, abrasion-, heat- and water resistance. Prevents film blocking and bleed out over time, unlike other slipping agents. It can be used for food applications. MIPELON™ XM-221U functions as a micro-bearing particle inside grease and decreases the coefficient of friction and sliding property.
Product Type
PE (Polyethylene) > UHMWPE
Physical Form
Product Status
Applications/ Recommended for
Key Features
  • Abrasion resistance, High
  • Chemical resistance, High
  • Dispersible
  • Durable
  • Friction, Low
  • Heat Resistance, High
  • Lubricating, Self
  • Moldability, Good
  • Molecular Wt., Ultra High
  • Processability, Good
  • Strength, Good
  • Surface Finish, Good
  • Water Absorption, Low to None
  • Water Resistance, High

MIPELON™ XM-221U Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Particle Size
25 μm
( )
Coulter Counter
Molecular Weight
MCI Method
937 kg/m3
( )
MCI Method

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