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LATILUB 75/4-20T

Family: LATILUB
Base resin:Polybutylene Terephthalate (PBT)
General information
Self-lubricating product based on Polybutylene Terephthalate (PBT). PTFE.
Versions of product mentioned herein are suitable for potable water transportation. Nevertheless, manufactured parts have to be verified according to the specific directives.
The products mentioned herein are not suitable for applications in the pharmaceutical, medical or dental sector.
Features
  • - Self lubricant
Additives
  • - PTFE
Process types
  • - Injection moulding
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Technical datasheets
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Technical characteristics
Physical properties Standard Value Measure Units
Density ISO 1183 1.42 g/cm³
Linear shrinkage at moulding
Longitudinal (2.0mm/60MPa) ISO 294-4 2,20 ÷ 2,40 %
Transversal (2.0mm/60MPa) ISO 294-4 2,20 ÷ 2,40 %
Dimensional stability --- 76
Moisture absorption
Saturation, in air ISO 62-4 0.22 %
Mechanical properties Standard Value Measure Units
CHARPY impact strength
Unnotched, at +23°C ISO 179-1eU 50 kJ/m²
Notched, at +23°C ISO 179-1eA 3.8 kJ/m²
Tensile elongation
At yield (5 mm/min), 23°C ISO 527 4 %
At yield (5 mm/min), 60°C ISO 527 4 %
At yield (5 mm/min), 90°C ISO 527 4 %
At yield (5 mm/min), 120°C ISO 527 4.5 %
At yield (5 mm/min), 150°C ISO 527 6 %
At break (5 mm/min), 23°C ISO 527 40 %
At break (5 mm/min), 60°C ISO 527 40 %
Tensile strength
At yield (5 mm/min), 23°C ISO 527 20 MPa
At yield (5 mm/min), 60°C ISO 527 20 MPa
At yield (5 mm/min), 90°C ISO 527 15 MPa
At yield (5 mm/min), 120°C ISO 527 10 MPa
At yield (5 mm/min), 150°C ISO 527 9 MPa
At break (5 mm/min), 23°C ISO 527 25 MPa
At break (5 mm/min), 60°C ISO 527 25 MPa
Elastic modulus
Tensile (1 mm/min), 23°C ISO 527 2500 MPa
Tensile (1 mm/min), 60°C ISO 527 1500 MPa
Tensile (1 mm/min), 90°C ISO 527 700 MPa
Tensile (1 mm/min), 120°C ISO 527 400 MPa
Tensile (1 mm/min), 150°C ISO 527 200 MPa
Thermal properties Standard Value Measure Units
Coefficient of linear thermal expansion (CLTE)
+30°C to +100°C (longitudinal) ISO 11359 120 × 10⁶ K¹
+30°C a +100°C (transversal) ISO 11359 120 × 10⁶ K¹
VICAT - Softening point
50N (heating rate 120°C/h) ISO 306 175 °C
HDT - Heat Deflection Temperature
0.45 MPa ISO 75 170 °C
1.81 MPa ISO 75 55 °C
Flammability Standard Value Measure Units
Flammability rating
3 mm thickness UL 94 HB
1.5 mm thickness UL 94 HB
0.75 mm thickness UL 94 HB
Electrical properties Standard Value Measure Units
Electrical resistivity
Surface, dry ASTM D 257 1E12 ohm
Dielectric strength (short period)
2 mm thickness, 23°C, dry ASTM D 149 19 kV/mm
Tribological properties Standard Value Measure Units
Wear Factor LATI 90 10ˉ⁸(mm³m)/N
Friction Coefficient
Static LATI 0.17
Dynamic LATI 0.21
Melt Temperature Standard Value Measure Units
Suggested melt temperature --- 230 ÷ 240 °C
Mould Temperature Standard Value Measure Units
Suggested mould temperature --- 50 ÷ 70 °C
Drying conditions (hot air dessiccator)
Predrying needed. At least 2 hours at 90 ÷ 120°C
Injection speed
Injection speed: medium. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: possible