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Ultraform® N2640 E4

Technical Datasheet | Supplied by BASF
Ultraform® N2640 E4 is an elastomer-modified acetal polyoxymethylene (POM) copolymer and methyl methacrylate-butadiene-styrene (MBS) grade. Exhibits increased toughness, high welding line strength, high rigidity, strength & stiffness, low water absorption, good resilience properties, low tendency to creep, excellent resistance to fuels & chemicals, excellent sliding friction properties, good long-term thermal stability, impact resistance, good electrical insulation properties and dimensional stability. It is insoluble in water. Can be processed using injection molding. It complies with the EU Directive 2006/122/EC (PFOA), EU Directive 2011/65/EU (RoHS) and EC Regulation 1907/2006 (REACH).
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Product Type
POM (Polyacetal, Polyoxymethylene) > POM, other Alloy
Physical Form
Granules
Product Status
COMMERCIAL

Ultraform® N2640 E4 Properties

Mechanical Properties

Value & Unit
Test Condition
Test Method
Nominal Tensile Strain at Break
> 50 %
(23°C) 
ISO 527-2
Modulus of Elasticity
1700 MPa
(23°C) 
ISO 527-2
Impact Strength, Notched Charpy
15 kJ/m²
(23°C) 
ISO 179/1eA 2

Ultraform® N2640 E4 Processing Guidelines

Injection Properties

Value & Unit
Test Condition
Test Method
Max. Residence Time
10 min
Mold Shrinkage (normal)
1.8 %
Mold Shrinkage (parallel)
1.8 %
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