Special electrical moulding compounds PT-201

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Low voltage contacts

High voltage contacts

Vacuum contacts

Moulding compounds

Heat-resistant modified unsaturated polyester (PT-310)

Tracking resistant modified polyester
(PT-610)

Melamine modified polyester (MU-100)

Dry-type unsaturated polyester (UP-100)

Special electrical moulding compounds (PT-201)

Epoxy moulding compounds (EM-200)

Special electrical moulding compounds PT-201

Characteristics
Special electrical moulding compounds possess superior resistance against heat and flame, good electrical properties and thermal rigidity, excellent long-term dimensional stability even at elevated temperature, good flame resistance and low water absorption. The storage time is half a year at room temperature.

Properties

Properties	Special electrical moulding compounds PT-201
Density	1.75~2.00 g/cm³
Water absorption (1d / 23℃)	≤ 0.20 %
Moulding shrinkage	0.10~0.50 %
Charpy impact strength	≥ 10.0 kJ/m²
Charpy notched impact strength	≥ 3.0 kJ/m²
Flexural strength	≥ 100 MPa
Surface resistivity	≥ 1.0 × 10¹⁰ Ω
Volume resistivity	≥ 1.0 × 10⁹ Ω·m
Electric strength	≥ 10.0 MV/m
Comparison tracking index	-
Arc resistance	-
Thermal deflection temperature with load	≥ 210 ℃
Flammability (sample thickness 3.2 mm)	FV-0 class
Color	Black
Product form	dry granular pellets

Processing Conditions for Reference:

Compounds for Injection	Mould temperature (℃)		Material container temperature (℃)		Injection pressure (MPa)	Curing time (s/mm)
	Moving mould	Fixed mould	Nozzle zone	Feed zone
Special electrical moulding compounds (PT-201)	160~180	160~180	90~110	70~90	60~100	10~20

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