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Pebax® MH 1657

Technical Datasheet | Supplied by Arkema
Pebax® MH 1657 by Arkema is an anti-static, heat-stabilized, polyether block amide grade. This thermoplastic elastomer is made of flexible polyether and rigid polyamide. It can be dry blended or compounded with an isolative polymer to lower the surface resistivity of the final part. This hydrophilic & inherently dissipative polymer offers excellent permeability to moisture vapor while remaining waterproof when extruded into a thin film or laminated. It is processed by thermoforming, casting, transfer- and injection molding, film- and profile extrusion. Pebax® MH 1657 is used as permanent antistatic additive and for breathable membrane applications. The shelf life of this product is 2 years.
Product Type
PEBA (Polyether Block Amide) > PEBA (or COPA)
Physical Form
Product Status

Pebax® MH 1657 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Tensile Modulus
90 MPa
( )
ISO 527-1/2
Tensile Strength
13 MPa
(At 50% Strain)
ISO 527-1/2
Tensile Strain
> 50 %
(At Break)
ISO 527-1/-2

Pebax® MH 1657 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Melt Temperature
230 - 260 °C
Mold Temperature
25 - 60 °C
Drying Time
5 - 7 hr
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