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| Phenolics |
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Phenolic laminates are thermoset plastics, meaning that they will not soften appreciably
when heat is applied to them. They are made by applying intense heat and pressure to stacked
layers of base material (normally cloth, paper, or glass) which have been impregnated with
synthetic resins, resulting in the creation of a hybrid material of solid mass. This new
material is extremely dense and hard, and must be machined in order to shape. Resins used
in the production of phenolic laminates are not limited only to phenolic, but may include
melamine, epoxy, silicone, polyester, or vinyl. Common uses for phenolic laminates include
switchboards, gaskets, insulating washers, seals, circuit-breaker parts, and any application
requiring excellent mechanical strength and resistance to heat.
| PHENOLICS AND LAMINATES--GENERAL INFO |
| Resin |
Substrate |
NEMA Grade |
Colors |
Description |
| Phenolic |
Paper |
X |
Natural/Black |
High Strength, Machining Characteristics are not good |
| Phenolic |
Paper |
XX |
Natural/Black |
Electrical Insulation (dry or humid conditions) |
| Phenolic |
Paper |
XXX |
Natural |
High Humidity Resistance |
| Phenolic |
Paper |
XP |
Tan/Black/Chocolate |
Punching Grade (needs to be heated) |
| Phenolic |
Paper |
XPC |
Natural/Black |
Punching Grade (at room temp) |
| Phenolic |
Cotton |
C |
Natural/Black |
High Impact Strength |
| Phenolic |
Cotton |
CE |
Natural |
Low-Voltage / Frequency Electrical Performance |
| Phenolic |
Cotton |
L |
Natural |
High Strength in Punching |
| Phenolic |
Cotton |
LE |
Natural/Black |
Good Moisture Properties / Machining Conditions |
| Phenolic |
Glass |
G-3 |
Natural |
Asbestos Replacement |
| Epoxy |
Glass |
G-10/FR-4 |
Natural |
Good Electrical Properties in Humid Conditions |
| Epoxy |
Glass |
G-11 |
Natural |
High Strength at High Temps |
| Silicone |
Glass |
G-7 |
White |
Excellent Heat Resistance (Class H Insulation) |
| Melamine |
Glass |
G-5 |
Gray |
High Stength and Heat Resistance |
| Melamine |
Glass |
G-9 |
Gray |
High Strength under Humid Conditions |
| Polyester |
Glass |
GPO-1 |
Light Gray/Tan |
High Mechanical Strength / Heat Resistance |
| Polyester |
Glass |
GPO-2 |
Red/Black/White |
UL94-VO, Flame Retardant, High Electrical |
| Polyester |
Glass |
GPO-3 |
Red/Black/White |
UL94-VO, Flame Retardant, High Mechanical |
| PHENOLIC ROD
(Diameters Available) |
| PHENOLIC |
EPOXY & MELAMINE |
| Diameter (XX) |
Diameter (CE) |
Diameter (L) |
Diameter (G10) |
Diameter (G11) |
Diameter (G9) |
| .125 |
.125 |
.125 |
.125 |
.125 |
.125 |
| .187 |
.187 |
.187 |
.187 |
.187 |
.187 |
| .250 |
.250 |
.250 |
.250 |
.250 |
.250 |
| .312 |
.312 |
.312 |
.312 |
.312 |
.312 |
| .375 |
.375 |
.375 |
.375 |
.375 |
.375 |
| .438 |
.438 |
.438 |
.438 |
.438 |
.438 |
| .500 |
.500 |
.500 |
.500 |
.500 |
.500 |
| .625 |
.625 |
.625 |
.625 |
.625 |
.625 |
| .750 |
.750 |
.750 |
.750 |
.750 |
.750 |
| .875 |
.875 |
.875 |
.875 |
.875 |
.875 |
| 1.000 |
1.000 |
1.000 |
1.000 |
1.000 |
1.000 |
| 2.000 |
2.000 |
2.000 |
2.000 |
2.000 |
2.000 |
| N/A |
3.000 |
N/A |
3.000 |
N/A |
3.000 |
| N/A |
4.000 |
N/A |
4.000 |
N/A |
4.000 |
| PHENOLIC SHEET
36" x 48" (Standard) |
| PHENOLIC |
PHENOLIC & EPOXY |
EPOXY, SILICONE & MELAMINE |
Thickness
(XX) |
Thickness
(CE) |
Thickness
(C) |
Thickness
(Type L) |
Thickness
(Type LE) |
Thickness
(Type G10) |
Thickness
(Type G11) |
Thickness
(Type G5) |
Thickness
(Type G7) |
| .015 |
.015 |
.015 |
.015 |
.015 |
.015 |
.015 |
.015 |
.015 |
| .031 |
.031 |
.031 |
.031 |
.031 |
.031 |
.031 |
.031 |
.031 |
| .062 |
.062 |
.062 |
.047 |
.047 |
.047 |
.062 |
.062 |
.062 |
| .093 |
.093 |
.093 |
.062 |
.062 |
.062 |
.093 |
.093 |
.093 |
| .125 |
.125 |
.125 |
.093 |
.093 |
.093 |
.125 |
.125 |
.125 |
| .187 |
.187 |
.187 |
.125 |
.125 |
.125 |
.187 |
.187 |
.187 |
| .250 |
.250 |
.250 |
.187 |
.187 |
.187 |
.250 |
.250 |
.250 |
| .312 |
.312 |
.312 |
.250 |
.250 |
.250 |
.312 |
.312 |
.312 |
| .375 |
.375 |
.375 |
.312 |
.312 |
.312 |
.375 |
.375 |
.375 |
| .500 |
.500 |
.500 |
.375 |
.375 |
.375 |
.500 |
.500 |
.500 |
| .625 |
.625 |
.625 |
.500 |
.500 |
.500 |
.625 |
.625 |
.625 |
| .750 |
.750 |
.750 |
.625 |
.625 |
.625 |
.750 |
.750 |
.750 |
| .875 |
.875 |
.875 |
.750 |
.750 |
.750 |
.875 |
.875 |
.875 |
| 1.000 |
1.000 |
1.000 |
.875 |
.875 |
.875 |
1.000 |
1.000 |
1.000 |
| 2.000 |
2.000 |
2.000 |
1.000 |
1.000 |
1.000 |
2.000 |
2.000 |
2.000 |
| 3.000 |
3.000 |
3.000 |
2.000 |
2.000 |
2.000 |
3.000 |
3.000 |
3.000 |
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3.000 |
3.000 |
3.000 |
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| PHENOLIC TUBE |
| Type of Tubing |
Grades |
Tubing Sizes Available (All Types and Grades)
(ID x OD) |
| Round |
G7 |
G5 |
G9 |
.250 x .375 |
| Phenolic & Epoxy |
L |
LE |
G10 |
.375 x .500 |
| Silicone & Melamine |
XX |
C |
CE |
.500 x .750 |
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.750 x 1.000 |
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1.000 x 2.000 |
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2.000 x 2.250 |
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2.500 x 3.000 |
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3.000 x 3.500 |
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