CNC Machining Materials

Garolite G-10

At a glance

Processes

CNC Mill
CNC Lathe

Lead Time

As fast as 7 days

Colors

Green, yellow

Tolerance

With drawing: as low as +/- 0.005 mm
No drawing: ISO 2768 medium

Price

$$$

Applications

Circuit board substrates, jigs, fixtures, boating applications (as it does not absorb water)

About the material

Garolite G-10 (also known as phenolic and epoxy-grade industrial laminate) is a composite material with a low coefficient of thermal expansion. Additionally, it does not absorb water and is an excellent insulator, which makes it really useful for electronics applications.

Material Properties

Tensile Strength

35,000-50,000 PSI

Elongation at Break

Not rated

Hardness

Rockwell M110

Density

0.069 lbs / cubic in

Maximum Temperature

265° F

McMaster Part Number

8667k151

Material Finish

Garolite G-10 comes in a variety of mostly opaque colors (such as green and yellow, depending on availability). It is smooth and has a matte surface when machined. Additionally, Garolite G-10 can be machined to a variety of surface roughnesses.

Design Recommendations

Min Wall Thickness

1.0 mm

Min End Mill Size

0.8mm (0.03 in)

Min Drill Size

0.5 mm (0.02 in)

Max Part Size

1200 x 500 x 152 mm [x,y,z] (mill)
152 x 394 mm [d,h] (lathe)

Undercuts

Square profile, full radius, dovetail profiles

Radii : Depth

Depth must not exceed 12x drill bit diameter.
For end mills, depth must not exceed 10x tool diameter.

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