Phenolic Boards | McMaster-Carr

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System of Measurement

Thickness

Width

Length

Shape

Color

Performance

Chemical Resistant

Electrically Insulating

Flame Retardant

High Temperature

Highly Absorbent

Highly Machinable

Impact Resistant

Moisture Resistant

Spark Resistant

Static Dissipative

Ultra Low Temperature

Flexibility

Material

Silicone Rubber

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F or greater

Material Grade

Hardness Rating

For Use Outdoors

Reinforcement Material

Fiberglass Fabric

Resin Material

Silicone Rubber

Tensile Strength

6,000 psi to 10,000 psi

7,000 psi to 10,000 psi

7,000 psi to 30,000 psi

7,000 psi to 40,000 psi

8,000 psi to 23,900 psi

9,000 psi to 21,000 psi

10,000 psi to 15,000 psi

10,000 psi to 21,000 psi

18,000 psi to 27,700 psi

32,000 psi to 40,000 psi

35,000 psi to 50,000 psi

RoHS

Dielectric Strength

35 V/mil to 200 V/mil

50 V/mil to 500 V/mil

120 V/mil to 550 V/mil

195 V/mil to 215 V/mil

200 V/mil to 450 V/mil

200 V/mil to 600 V/mil

350 V/mil to 700 V/mil

350 V/mil to 800 V/mil

370 V/mil to 450 V/mil

400 V/mil to 465 V/mil

Hardness

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Flexural Strength

10,000 psi to 30,000 psi

10,000 psi to 60,000 psi

13,000 psi to 15,000 psi

14,000 psi to 29,300 psi

15,000 psi to 19,000 psi

16,000 psi to 29,000 psi

20,900 psi to 25,800 psi

23,200 psi to 31,000 psi

45,000 psi to 55,000 psi

45,000 psi to 60,000 psi

50,200 psi to 60,400 psi

Impact Strength

0.35 ft·lbf/in to 0.55 ft·lbf/in

0.99 ft·lbf/in

1.07 ft·lbf/in

1.11 ft·lbf/in

1.4 ft·lbf/in to 1.7 ft·lbf/in

1.8 ft·lbf/in to 2.5 ft·lbf/in

4 ft·lbf/in to 25 ft·lbf/in

4 ft·lbf/in to 30 ft·lbf/in

5.5 ft·lbf/in to 9.5 ft·lbf/in

5.5 ft·lbf/in to 12 ft·lbf/in

6.5 ft·lbf/in to 19.1 ft·lbf/in

8 ft·lbf/in to 10 ft·lbf/in

8.2 ft·lbf/in to 12 ft·lbf/in

8.4 ft·lbf/in to 15.3 ft·lbf/in

9 ft·lbf/in to 22.7 ft·lbf/in

Water Absorption

Density

0.043 lb/in³ to 0.05 lb/in³

0.045 lb/in³ to 0.05 lb/in³

0.047 lb/in³ to 0.052 lb/in³

0.058 lb/in³ to 0.070 lb/in³

0.061 lb/in³ to 0.070 lb/in³

0.069 lb/in³ to 0.074 lb/in³

How can we improve?

1,704 Products

Raw Materials

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

Kevlar

Super tough for protection against prolonged wear and abrasion

Electrical Power, Networking, and Controlling

Circuit Boards

Create your own circuit board designs by adding components

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)