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LATER 4 G/50

Family: LATER
Base resin:Polybutylene Terephthalate (PBT)
General information
Compound based on Polybutylene Terephthalate (PBT). Glass fibres. PFAS-free product.
The products mentioned herein are not suitable for applications in contact with foodstuffs or for potable water transportation, or for toy manufacturing.
The products mentioned herein are not suitable for applications in the pharmaceutical, medical or dental sector.
Project challenges
  • - Metal replacement
Additives
  • - Glass fibres
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 1.74 g/cm³
Linear shrinkage at moulding
Longitudinal (2.0mm/60MPa) ISO 294-4 0,25 ÷ 0,40 %
Transversal (2.0mm/60MPa) ISO 294-4 0,70 ÷ 0,90 %
Dimensional stability --- 57
Moisture absorption
Saturation, in air ISO 62-4 0.14 %
Mechanical properties Standard Value Measure Units
CHARPY impact strength
Unnotched, at +23°C ISO 179-1eU 50 kJ/m²
Unnotched, at -20°C ISO 179-1eU 45 kJ/m²
Notched, at +23°C ISO 179-1eA 9 kJ/m²
Notched, at -20°C ISO 179-1eA 8 kJ/m²
Tensile elongation
At break (5 mm/min), 23°C ISO 527 2 %
At break (5 mm/min), 60°C ISO 527 2.4 %
At break (5 mm/min), 90°C ISO 527 2.6 %
At break (5 mm/min), 120°C ISO 527 2.8 %
At break (5 mm/min), 150°C ISO 527 3 %
Tensile strength
At break (5 mm/min), 23°C ISO 527 150 MPa
At break (5 mm/min), 60°C ISO 527 95 MPa
At break (5 mm/min), 90°C ISO 527 75 MPa
At break (5 mm/min), 120°C ISO 527 55 MPa
At break (5 mm/min), 150°C ISO 527 45 MPa
Elastic modulus
Tensile (1 mm/min), 23°C ISO 527 17000 MPa
Tensile (1 mm/min), 60°C ISO 527 10000 MPa
Tensile (1 mm/min), 90°C ISO 527 7500 MPa
Tensile (1 mm/min), 120°C ISO 527 6500 MPa
Tensile (1 mm/min), 150°C ISO 527 5000 MPa
Thermal properties Standard Value Measure Units
Coefficient of linear thermal expansion (CLTE)
+30°C to +100°C (longitudinal) ISO 11359 25 × 10⁶ K¹
+30°C a +100°C (transversal) ISO 11359 60 × 10⁶ K¹
VICAT - Softening point
50N (heating rate 120°C/h) ISO 306 215 °C
HDT - Heat Deflection Temperature
0.45 MPa ISO 75 220 °C
1.81 MPa ISO 75 210 °C
Thermal conductivity
in plane ASTM E 1461-92 0.3 W/mK
through plane ASTM E 1461-92 0.2 W/mK
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 30 kV/mm
Melt Temperature Standard Value Measure Units
Suggested melt temperature --- 240 ÷ 260 °C
Mould Temperature Standard Value Measure Units
Suggested mould temperature --- 70 ÷ 100 °C
Drying conditions (hot air dessiccator)
Predrying needed. At least 4 hours at 90 ÷ 120°C
Injection speed
Injection speed: medium to high. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: to be evaluated