Manufacturing Tolerances

Tolerances:
Sheet Rubber & Diaphragm Sheet

as published in Rubber Manufacturers Association, Sheet Rubber Handbook, dated 1980

Thickness Tolerances*
Nominal Thickness Tolerances
(Plus or Minus)
Fractions Inches Decimals Inches Millimeters Inches Millimeters
Under 1/32" Under 0.031 Under 0.79 0.01 0.25
1/32" to but not including 1/16" 0.031 to 0.062 0.79 to 1.59 0.012 0.3
1/16" to but not including 1/8" 0.062 to 0.125 1.59 to 3.18 0.016 0.4
1/8" to but not including 3/16" 0.125 to 0.187 3.18 to 4.8 0.02 0.51
3/16" to but not including 3/8" 0.187 to 0.375 4.8 to 9.5 0.031 0.79
3/8" to but not including 9/16" 0.375 to 0.562 9.5 to 14.3 0.047 1.19
9/16" to but not including 3/4" 0.562 to 0.750 14.3 to 19.2 0.062 1.59
3/4" to but not including 1" 0.750 to 1.000 19.2 to 25.4 0.094 2.38
1" and over 1.000 and over 25.4 10% 10%
Note - Material made by the coating process is subject to considerably more restrictive tolerances:
under 0.031" (0.79 mm), ± 0.003" (± 0.08 mm); 0.031" (0.79 mm) and over, ± 10%
Width Thickness*
Width available in 36" and 48" with a 5% tolerance
Length Thickness*
Lengths available from 25ft to 150ft with a 2% tolerance

*Terms and conditions of sale are subject to change without notice