Techno Compound PBT4 Natural (9999)

Identification & Functionality

Chemical Family: Polyesters
Polymer Name: Polybutylene Terephthalate (PBT)
Plastics & Elastomers Functions: Resin
Technologies: Plastics
Product Families: Plastics — Engineering & Specialty Polymers
Polyesters & Copolyesters

Features & Benefits

Materials Features: Good Flow,
Good Sliding Properties,
High Hardness,
High Stiffness,
High Strength,
High Tensile Strength,
Wear Resistant

Applications & Uses

Markets: Automotive & Transportation,
Building & Construction,
Electrical & Electronics,
Industrial
Applications: Automotive & Transportation — Automotive
Automotive Lighting,
Exterior & Body,
Other Automotive Applications,
Powertrain & UTH
Building & Construction — Building Materials
Pipes & Plumbing,
Structural Components
Industrial — Chemical & Industrial Manufacturing
Equipment & Parts,
Other Industrial Applications
Electrical & Electronics — Parts & Components
Connectors,
Housings & Enclosures,
Other Parts & Components,
Switches & Relays
Plastics & Elastomers End Uses: Automotive Exterior Parts,
Bearings,
Cams,
Connectors,
Electrical Housing,
Headlight Cover,
Pump Parts,
Switches
Typical Applications: TechnoDur PBT4 Natural (9999) may be applied in the following areas:

Electrical engineering: Lamp holders, micro switches, spools, brush-holder bridges, switches, cam divices, telephone housings.

Automobile construction: Junction boxes, petrol filters, fuel tank caps, heating, folds, headlights, car body panels, spark plug connectors.

Household appliances: Hair care appliances, components for toasters, fondue makers, coffeemakers.

Other: pump components, gears guide applications: slide bearings and components.

Properties

	Value	Units	Test Method / Conditions
Tensile modulus	2600	MPa	ISO 527
Yield stress	60	MPa	ISO 527
Yield strain	4	%	ISO 527
Nominal strain at break	35	%	ISO 527
Flexural modulus	2300	MPa	ISO 178
Flexural strength	90	MPa	ISO 178
Flexural strain at flexural strength	5	%	ISO 178
Flexural stress at 3,5 % strain	80	MPa	ISO 178
Charpy impact strength	230	kJ/m2	ISO 179-1eU
Charpy impact strength	100	kJ/m2	ISO 179-1eU
Charpy notched impact strength	5,5	kJ/m2	ISO 179-1eA
Charpy notched impact strength	4,5	kJ/m2	ISO 179-1eA
Ball indentation	140	N/mm2	ISO 2039-1

	Value	Units	Test Method / Conditions
Density	1,3	g/cm3	ISO 1183
Melt volume-flow rate	38	cm3/10 min	ISO 1133
Viscosity number	120	cm3/g	ISO 1628-5
Waterabsorption up to saturation	0,5	%	ISO 62
Moisture absorption	0,25	%	ISO 62
Molding shrinkage (longitudinal)	1,8	%	ISO 2577
Molding shrinkage (transverse)	1,8	%	ISO 2577

	Value	Units	Test Method / Conditions
Melting temperature	223	°C	ISO 11357
Temp. of deflection under load (HDT A)	55	°C	ISO 75
Temp. of deflection under load (HDT B)	160	°C	ISO 75
Vicat softening temperature	185	°C	ISO 306
Coeff. of linear therm. expansion (longitudinal)	1,3	10–4/k	ISO 11359
Coeff. of linear therm. expansion (transverse)	1,3	10–4/k	ISO 11359
Flammability test	HB	Klasse	TC
Glow-Wire-Flammability-Index	750	°C	IEC 60695-2-12

	Value	Units	Test Method / Conditions
Surface Resistivity	min. 1E15	Ohm	IEC 60093
Volume Resistivity	min. 1E13	Ohm*m	IEC 60093
Relative permittivity	3,4	–	IEC 60250
Relative permittivity	3,2	–	IEC 60251
Electric strength, Short Time	27	kV/mm	IEC 60243-1
Comparative tracking index	600	Stufe	IEC 60112

Regulatory & Compliance

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