McMaster-Carr

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	Shape Shape

	Sheet and Bar

	Material Material

Ceramic

Rubber

	System of Measurement System of Measurement

Inch

	Thickness Thickness	Show

0.025"

	Thickness Thickness	Hide

0.047" to 0.077"

0.052" to 0.072"

0.078" to 0.108"

0.084" to 0.114"

0.086" to 0.116"

0.090" to 0.120"

0.110" to 0.140"

0.125" to 1/2"

	Width Width

4 1/2"

42"

	Color Color

	White
	Amber

	Backing Type Backing Type

	Plain

	Maximum Temperature Maximum Temperature

Less than 500° F

2,000° to 2,999° F

	Texture Texture

	Smooth

	Specifications Met Specifications Met

FDA Compliant

	Hardness Hardness

Medium Soft

Rockwell D79

	Durometer Durometer

40A

	Clarity Clarity

Semi-Clear

Opaque

	Minimum Temperature Minimum Temperature

-99° to 0° F

Not Rated

	Environment Environment

Food and Beverage

	Tensile Strength Tensile Strength

3,000 to 9,999 psi

10,000 psi or greater

	For Use Outdoors For Use Outdoors

	Compressive Strength Compressive Strength

300,000 psi

	Density Density

0.14 lbs./cu. in.

	Dielectric Strength Dielectric Strength

210 V/mil

	Electrical Properties Electrical Properties

Electrical Insulating

	Modulus of Elasticity Modulus of Elasticity

0.044 ksi x 10⁶

	Refractive Index Refractive Index

1.77

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3 Products

About Rubber

Super-Stretchable Abrasion-Resistant
Natural Rubber Sheets and Strips

These natural rubber sheets and strips will stretch up to six times their length. Use them in dynamic applications, such as vibration isolators and shock mounts. Natural rubber is often called gum rubber and latex rubber.

Cut-to-Length Ultra-Thin Sheets

Color: Amber (semi-clear)
Temperature Range: -75° to 250° F
Tensile Strength: 4,000 psi
For Use Outdoors: No

6" Wd.
Thick.	Thick. Tolerance	Durometer	Specifications Met		Per Yd.
0.025"	-0.003" to +0.003"	40A (Medium Soft)	FDA Compliant 21 CFR 177.2600	00000000	00000
					Per Ft.
42" Wd.
0.025"	-0.003" to +0.003"	40A (Medium Soft)	FDA Compliant 21 CFR 177.2600	0000000	00000

Nonporous Alumina Ceramic Sheets and Bars

Color: White
Max. Temperature: See table
Fabrication: Fired
Electrical Properties: 4 1/2" × 4 1/2" sheets are electrical insulating
Dielectric Strength: See table
Porosity: 0%
Compressive Strength: 300,000 psi

Seal out air and gas in high-temperature and high-wear applications. This ultrahard ceramic can also be used in applications that require superior strength.

Sheets

Thick.	Thick. Tolerance	Wd.	Lg.	Max. Temperature, °F	Dielectric Strength, V/mil		Each
0.025"	-0.003" to 0.003"	4 1/2"	4 1/2"	2910°	210	0000000	000000

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About Rubber

Super-Stretchable Abrasion-ResistantNatural Rubber Sheets and Strips

Nonporous Alumina Ceramic Sheets and Bars

Super-Stretchable Abrasion-Resistant
Natural Rubber Sheets and Strips