聚碳酸酯

Makrolon® 1248 RE

Manufacturer:科思创德国公司

高冲击或冲击改性

Recorded properties

Record date:2026-11-07

PropertyValueUnit
Density1.2g/cm³
Melt flow rate7.5g/10min
Tensile strength61.0MPa
Tensile modulus2250.0MPa
Elongation at break6.0%
Flexural strength88.0MPa
Flexural modulus2250.0MPa
Notched impact strength70.0kJ/m²
HDT 1.8MPa125.0°C
HDT 0.45MPa139.0°C
Vicat softening point146.0°C
Flame rating{'HB': 'class', 'Oxygen index': '30%', 'Glow Wire Flammability Index (GWFI)': {'0.75 mm': '850 °C', '1.5 mm': '850 °C', '3 mm': '900 °C'}, 'Glow Wire Ignition Temperature (GWIT)': {'0.75 mm': '875 °C', '1.5 mm': '875 °C', '3 mm': '875 °C'}}—

Test standard, specimen condition and source rights are not fully recorded. Values are for preliminary screening only; verify with the manufacturer before design or purchasing decisions.

Grade handling information to verify

The information below was automatically extracted from a material PDF and has not been individually reviewed. It is for preliminary reference only. Verify the exact grade’s manufacturer processing instructions, safety data sheet and equipment procedures before production; do not use candidate values directly as machine settings.

Matched by original PDF filename

Storage
Review the source for packaging, storage and opened-package instructions.
Drying
Candidate injection-molding recommendations: temperature 120 °C; time 2 - 3 h; processing moisture ≤0.02 %. Verify the source, grade and conditions.
Equipment setup
Candidate injection-molding recommendations: melt temperature 280 - 320 °C; mold temperature 80 - 120 °C. Verify the source, grade and conditions.
Applications
Review the source and applicable approvals.

Source: the matched material PDF; page numbers refer to the original PDF.

  • Drying temperature:page 2
  • Drying time:page 2
  • Processing moisture:page 2
  • Melt temperature:page 2
  • Mold temperature:page 2