Sheet Thickness and Tolerances

 
Foams
Other plastics are available on special request

.005" through 2" thick
Sizes up to 36" X 48"
(Call for information on thicknesses over 2 inches)
Available in all grades
Copper clad available one or both sides

Grades  
-XXX Paper Phenolic

Paper base phenolic laminate with good mechanical properties
Economically priced grade and recommended for most mechanical applications

-CE Canvas Phenolic

Cotton fabric base phenolic laminate
Produced from fabric weighing at least 4 oz. per square yard
Strong, tough, and has high impact strength
Machines readily

-LE Linen Phenolic

Fine weave cotton fabric base phenolic laminate
Produced from cloth weighing less than 4 oz. per square yard
Low in moisture pick up and dissipation factor
Excellent in all electrical properties

- G-9 Glass Melamine

Continuous woven glass fabric laminated with a melamine resin
Good mechanical properties
High resistance to flame, heat, arcing and most strong alkali solutions

- G-10/FR4 Glass Epoxy

Continuous woven glass fabric laminated with epoxy resin
Low moisture absorption and dissipation factors
Extremely high mechanical strength and superior electrical characteristics
Flame retardant and at 300 degrees F retains 25% of flexural strength

- G-11 Glass Epoxy

Similar in composition and properties of G-10/FR4
Suitable for mechanical/electrical applications at elevated temps Maintains more than 50% of flexural strength at 300 degrees F
Maintains all of its electrical properties

- G-7 Glass Silicone

Continuous woven glass fabric laminated with silicone resin
Good electrical properties under humid conditions
Resistance to continuous operating temperatures of 425 degrees F

Sheet Tolerances
All Tolerances ± in inches unless otherwise specified