Semiconductor, Plastics and Extreme Durability Applications

Pyropel® HD Thermoset Polyimide

For applications requiring extreme durability, high temperature, chemical and wear resistance nothing performs like polyimide thermosets. Pyropel® HD is also one of the lowest cost pure polyimide plastics available without sacrificing technical performance. Available in standard shapes or machined to customer designs.

Exceptional Performance

Mechanical Properties	ASTM	UNITS	VALUE
Tensile Strength	D-683	psi	10,000
Elongation	D-683	%	2
Flexural Strength	D-790	psi	13,000
Flexural Modulus	D-790	psi	550,000
Compressive Stress @ 1% Strain	D-695	psi	3,900
Compressive Stress @ 10% Strain	D-695	psi	31,000
Compressive Modulus	D-695	psi	540,000
Impact Strength, Notched Izod	D-265	ft-lb/in	0.8

Thermal Properties	ASTM	UNITS	VALUE
Coefficient of Linear Expansion	D-696	10^-6in/in/˚F	23
Continuous Use Temperature			550˚F
Thermal Conductivity	C-177		2.09

Electrical Properties	ASTM	UNITS	VALUE
Dielectric Constant @ 50 Hz	D-150		3.59
Dielectric Strength	D-150	Volt/mil	412
Volume Resistivity	D-257	ohm-cm	1.0 x 10¹⁸
Surface Resistivity	D-257	ohms	1.0 x 10¹⁷

High Purity

Trace Metals ICP-MS	DL	UNITS	PYropel
Aluminum (Al)	0.1	ppb (ng/g)	21.00
Boron (B)	2	ppb (ng/g)	*
Calcium (Ca)	3	ppb (ng/g)	49.00
Chromium (Cr)	0.1	ppb (ng/g)	.10
Copper (Cu)	0.1	ppb (ng/g)	3.70
Iron (Fe)	2	ppb (ng/g)	38.00
Lead (Pb)	0.1	ppb (ng/g)	0.20
Lithium (Li)	0.05	ppb (ng/g)	*
Magnesium (Mg)	0.1	ppb (ng/g)	2.00
Manganese	0.1	ppb (ng/g)	0.30
Nickel (Ni)	0.1	ppb (ng/g)	*
Phosphorous (P)	10	ppb (ng/g)	130.00
Sodium (Na)	0.1	ppb (ng/g)	59.00
Tin (Sn)	0.05	ppb (ng/g)	*
Zinc (Zn)	0.5	ppb (ng/g)	3.60
*Below Detectable Limit