Tarnoform® 400 UV

Identification & Functionality

Additives Included

Carbon Black

Polymer Name

Polyacetal Copolymer (POM)

Plastics & Elastomers Functions

Resin

Technologies

Plastics

Product Families

Plastics — Engineering & Specialty Polymers

Polyacetals

Features & Benefits

Materials Features

Fast Molding Cycle,

Good Weather Stability,

High Flow,

UV Resistant

Applications & Uses

Markets

Automotive & Transportation

Applications

Automotive & Transportation — Automotive

Other Automotive Applications

Plastics & Elastomers End Uses

Automotive Applications

Plastics & Elastomers Processing Methods

Injection Molding

Properties

Color

Black

Flame Rating

IEC 60695-11-10 HB

Physical Form

Granules,

Solid

Flame Rating

IEC 60695-11-10 HB

Physical Properties

	Value	Units	Test Method / Conditions
Melt Flow Index - MFI (190°C/2.16 kg)	12	g/10 min	ASTM D 1238
Melt Mass Flow Rate - MFR (190°C/2.16 kg)	12	g/10 min	ASTM D1238
Melt Volume Flow Rate - MVR (190°C/2.16 kg)	10.5	cm3/10 min	ISO 1133
Molding Shrinkage - Paralell (60×60×2 mm)	2	%	ISO 294-4
Molding Shrinkage - Paralell (60×60×2 mm)	0/-	%	ISO 294-4
Molding shrinkage - parallel	2	%	ISO 294-4, 2577
Moisture Absorption (23°C/50% RH)	0.2	%	ISO 62
Density	1410	kg/m3	ASTM D 792

Mechanical Properties

	Value	Units	Test Method / Conditions
Tensile Modulus	2600	MPa	ISO 527
Yield stress	55	MPa	ISO 527
Yield strain	8	%	ISO 527
Strain at break	45	%	ISO 527
Flexural modulus, 23°	2300	MPa	ISO 178
Charpy notched impact strength (+23°)	4	kJ/m2	ISO 179/1eA
Charpy impact strength (+23°)	150	kJ/m2	ISO 179/1eU
Izod notched impact strength, +23°	4.5	kJ/m2	ISO 180/1A
Ball indentation hardness	145	MPa	ISO 2039-1

Thermal Properties

	Value	Units	Test Method / Conditions
Coefficient of Linear Thermal Expansion (parallel)	110	E-6/K	ISO 11359-1/-2
Delfection Temperature Under Load (1.8 MPa)	105	°C	ISO 75-1,-2
Temperature of deflection under load (1.80 Mpa)	105	°C	ISO 75-1/-2
Melting Point (DSC)	167	°C	ISO 11357-1-3
Vicat Softening Temperature (50 N)	145	°C	ISO 306
Melting temperature (10°C/min)	167	°C	ISO 11357-1/-3
Thickness tested	3.2	mm	—
Vicat softening temperature	145	°C	ISO 306
Burning Behavior at thickness	HB	class	IEC 60695-11-10

Electrical Properties

	Value	Units	Test Method / Conditions
Comparative Tracking Index - CTI	600	V	UL 746
Surface Resistivity	1.00E+14	ohm	IEC 60093
Volume Resistivity	1.0e+15	ohm.m	ASTM D 257

Other Properties

	Value	Units	Test Method / Conditions
Humidity absorption	0.2	%	Sim. to ISO 62

Packaging & Availability

Country Availability

Brazil,

Canada,

China (Mainland),

Mexico,

USA

Regional Availability

• Asia Pacific
• Europe
• Latin America
• North America