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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
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Estane® 54660 NAT 021

Technical Datasheet | Supplied by Lubrizol
Estane® 54660 NAT 021 by Lubrizol is a durable, paintable, aromatic polyester-based thermoplastic polyurethane (TPU) grade. It possesses high clarity, high hardness, very good abrasion resistance, good flame resistance and high chemical resistance. It also provides low temperature flexibility, good strength and moisture vapor transmission. Estane® 54660 NAT 021 is designed for processing by melt-coating. It is recommended to dry the material in a dehumidifying type dryer. It is suitable for medical devices and food contact applications such as food conveying belts and hoses.
Product Type
TPU or TPE-U (Thermoplastic Polyurethane) > TPU, Polyester
Physical Form
Pellets, Powder
Product Status
Applications/ Recommended for
  • Engineering / manufacturing > Belts, conveyors
  • Healthcare / Medical > Medical goods
  • Pipes, Hoses & Fittings
  • Coatings
Key Features
  • Abrasion resistance, Good
  • Aromatic
  • Chemical resistance, High
  • Clarity, High
  • Durable
  • Flame resistance, Good
  • Flexibility, Low Temperature
  • Hardness, High
  • Moisture Vapor Transmission, Low
  • Paintable
  • Strength, Good

Estane® 54660 NAT 021 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Hardness, Shore A
(For 5 sec)
ISO 868
Tensile Strength
23 MPa
( )
ISO 527-2/5A/500
Tensile Elongation, Ultimate
840 %
( )
ISO 527-2/5A/500

Estane® 54660 NAT 021 Processing Guidelines

Coating Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
70 °C
Drying Time
3 - 4 hr
Dew Point
-40 °C
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