Performance Polymers

ULTRAFORM® N2644 Z9 AT UNCOLORED POLYACETAL

(POM) Polyoxymethylene Copolymer, Functional, Thermoplastic, Thermoplastic

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Availability

Asia Pacific, Europe

Processing Technology

Injection Molding

Industries & Applications

Automotive & Transportation (1)

Automotive, Passenger cars

Leisure & Sport (1)

Toys, Ball, Accessories

Plastics & Rubber (2)

Performance Polymers / Safety / Passenger Safety / Safety belt systems
Performance Polymers / Sports & Leisure / Toys

Transportation (1)

Automotive (Passenger cars) / Interior / Seats & Belts

Technical Properties

Rheological properties

Property Name	Test Method	Unit	Values
Melt volume-flow rate	ISO 1133	cm³/10min	12.00
Molding shrinkage (normal)	ISO 294-4	%	0.90
Molding shrinkage (parallel)	ISO 294-4	%	0.70

Mechanical properties

Property Name	Test Method	Unit	Values
Yield strain, 50mm/min	ISO 527-1/-2	%	32.00
Charpy notched impact strength ISO 179/1eA (23°C)	ISO 179/1eA	kJ/m²	25.00
Yield stress, 50mm/min	ISO 527-1/-2	MPa	23.00
Charpy notched impact strength ISO 179/1eA (-30°C)	ISO 179/1eA	kJ/m²	5.00

Other properties

Property Name	Test Method	Unit	Values
Water absorption, equilibrium in water at 23°C	similar to ISO 62	%	1.10 - 1.10
Moisture absorption, equilibrium 23°C/50% r.h.	similar to ISO 62	%	0.30 - 0.30
Density	ISO 1183	kg/m³	1280.00

Thermal properties

Property Name	Test Method	Unit	Values
HDT A (1.80 MPa)	ISO 75-1/-2	°C	60.00
Melting temperature, DSC (10°C/min)	ISO 11357-1/-3	°C	164.00 - null
Coeff. of linear therm. expansion 23°C - 55°C (parallel)	ISO 11359-1/-2	E-6/K	140.00 - 140.00

Electrical properties

Property Name	Test Method	Unit	Values
Volume resistivity	IEC 62631-3-1	Ohm.m	1000000000.00

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