Phenolic G7

Phenolic G7 – G7 glass reinforced silicone – natural (cream to white) is composed of a continuous glass woven cloth base impregnated with a silicone resin binder. This grade has excellent heat and arc resistance. It has extremely good dielectric loss properties under dry conditions and good electrical properties under humid conditions, although the percentage of change is high.

Phenolic-G7

Physical Properties – Phenolic Plate

Property
G7 (MIL-I-24768/17-GSG)
Density
.068
Water Absorption
0.03
Hardness (Rockwell M)
105
Tensile with grain (psi)
20,500
Compressive flatwise with grain (psi)
41,000
Flexural flatwise (psi)
25,000
Bonding (psi)
900
Maximum Operating Temperature (°C) Electrical Mechanical
170 220
Impact Strength Izod edgewise with grain (ft-lb/in)
11.0
Shear flatwise (psi)
(n/a)

Phenolic Convolute Tubing

Property
G7 (MIL-I-24768/17-GSG)
Density
.059
Water Absorption
0.1
Hardness
100
Tensile with grain (psi)
20,000
Compressive flatwise with grain
9,000
Max Operating Temp (C) Electrical Mechanical
170 220

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