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This is the free Material Data Center Datasheet of Pebax® MH 1657 - TPA - ARKEMA

Check here, which other Pebax datasheets, application examples or technical articles are available in Material Data Center

Mechanical properties - Thermal properties - Electrical properties - Other properties

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Product Texts

Polyether block amide Pebax® MH 1657 resin is a thermoplastic elastomer made of flexible polyether and rigid polyamide.
Pebax® MH 1657 resin is an inherently dissipative polymer and can be dry blended or compounded with an isolative polymer to lower the surface resistivity of the final part.
This hydrophilic grade when extruded into either a thin film or laminated on to a substrate also offers excellent permeability to moisture vapor while remaining waterproof.


Main applications:

• Breathable membranes
• Permanent antistactic additive

Packaging:
This grade is delivered dried in sealed packaging (25 kg bags and 550 kg rigid containers) ready to be processed.

Shelf Life:
Two years from the delivery. For any use above this limit, please refer to our technical services.

Mechanical properties	dry / cond	Unit	Test Standard
ISO Data
Tensile Modulus	90 / 80	MPa	ISO 527
Stress at 50% strain	13 / 12	MPa	ISO 527
Strain at break	>50 / >50	%	ISO 527
Shore D hardness	40 / *	-	ISO 7619-1

Thermal properties	dry / cond	Unit	Test Standard
ISO Data
Melting temperature, 10°C/min	204 / *	°C	ISO 11357-1/-3
Glass transition temperature, 10°C/min	-40 / *	°C	ISO 11357-1/-2

Electrical properties	dry / cond	Unit	Test Standard
ISO Data
Volume resistivity	- / 2E7	Ohm*m	IEC 62631-3-1
Surface resistivity	* / 1.5E9	Ohm	IEC 62631-3-2

Other properties	dry / cond	Unit	Test Standard
Water absorption	120 / *	%	Sim. to ISO 62
Humidity absorption	4.5 / *	%	Sim. to ISO 62
Density	1140 / -	kg/m³	ISO 1183

Characteristics

Processing

Injection Molding, Film Extrusion, Profile Extrusion, Other Extrusion, Transfer Molding, Casting, Thermoforming

Delivery form

Pellets

Special Characteristics

Increased electrical conductivity, Anti-static, Heat stabilized or stable to heat

Regional Availability

North America, Europe, Asia Pacific, South and Central America, Near East/Africa

Other text information

Injection molding

Injection molding process conditions:

- Typical melt temperature (Min / Recommended / Max): 230°C / 240°C / 260°C.
- Typical mold temperature: 25–60°C.
- Drying time and temperature (only necessary for bags/containers opened for more than two hours): 5-7 hours at 70-90°C.

Other extrusion

Extrusion process conditions:

- Typical melt temperature (Min / Recommended / Max): 230°C / 250°C / 280°C.
- Drying time and temperature (only necessary for bags/containers opened for more than two hours): 5-7 hours at 70-90°C.

Chemical Media Resistance

Acids
	Sulfuric Acid (38% by mass) (23°C)
Bases
	Sodium Hydroxide solution (1% by mass) (23°C)
Hydrocarbons
	iso-Octane (23°C)
Salt solutions
	Zinc Chloride solution (50% by mass) (23°C)
Other
	Water (23°C)

Disclaimer

Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.

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