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Techno Compound PBT4 Natural (9999)

Chemical Family
Polyesters

Techno Compound PBT4 Natural (9999) is a thermoplastic which combines great hardness, stiffness and strength. TechnoDur is easily processed due to its perfect flow behavior. The favorable sliding and wear characteristics as well as extremely high tenacity in temperatures below freezing are further advantages.

Product families

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

Product Families

Plastics — Engineering & Specialty Polymers
  • Polyesters & Copolyesters

Other characteristics

Polymer Name
Polybutylene Terephthalate (PBT)
Flexural Modulus
2300.0 - 2300.0 MPa
Markets
  • Automotive & Transportation
  • Building & Construction
  • Electrical & Electronics
  • Industrial
Flame Rating
UL 94 HB
Technology
Plastics
Material Features
  • Good Flow
  • Good Sliding Properties
  • High Hardness
  • High Stiffness
  • High Strength
  • High Tensile Strength
  • Wear Resistant
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.
Certifications and Compliance
UL 94
Plastics and Elastomers End Uses
  • Automotive Exterior Parts
  • Bearings
  • Cams
  • Connectors
  • Electrical Housing
  • Headlight Cover
  • Pump Parts
  • Switches
Plastics and Elastomers Functions
Resin

Technical data

Table 1 of 4

13 rows
CharacteristicValueUnitMethod
Tensile modulus2600MPaISO 527
Yield stress60MPaISO 527
Yield strain4%ISO 527
Nominal strain at break35%ISO 527
Flexural modulus2300MPaISO 178
Flexural strength90MPaISO 178
Flexural strain at flexural strength5%ISO 178
Flexural stress at 3,5 % strain80MPaISO 178
Charpy impact strength230kJ/m2ISO 179-1eU
Charpy impact strength100kJ/m2ISO 179-1eU
Charpy notched impact strength5,5kJ/m2ISO 179-1eA
Charpy notched impact strength4,5kJ/m2ISO 179-1eA

Table 2 of 4

7 rows
CharacteristicValueUnitMethod
Density1,3g/cm3ISO 1183
Melt volume-flow rate38cm3/10 minISO 1133
Viscosity number120cm3/gISO 1628-5
Waterabsorption up to saturation0,5%ISO 62
Moisture absorption0,25%ISO 62
Molding shrinkage (longitudinal)1,8%ISO 2577
Molding shrinkage (transverse)1,8%ISO 2577

Table 3 of 4

8 rows
CharacteristicValueUnitMethod
Melting temperature223°CISO 11357
Temp. of deflection under load (HDT A)55°CISO 75
Temp. of deflection under load (HDT B)160°CISO 75
Vicat softening temperature185°CISO 306
Coeff. of linear therm. expansion (longitudinal)1,310–4/kISO 11359
Coeff. of linear therm. expansion (transverse)1,310–4/kISO 11359
Flammability testHBKlasseTC
Glow-Wire-Flammability-Index750°CIEC 60695-2-12

Table 4 of 4

6 rows
CharacteristicValueUnitMethod
Surface Resistivitymin. 1E15OhmIEC 60093
Volume Resistivitymin. 1E13Ohm*mIEC 60093
Relative permittivity3,4–IEC 60250
Relative permittivity3,2–IEC 60251
Electric strength, Short Time27kV/mmIEC 60243-1
Comparative tracking index600StufeIEC 60112

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