Rubber and Plastic General Tolerance Data
Because of rubber's variability from lot to lot, rubber manufacturers uses these tolerances (available in Imperial [English] or Metric units) in order to ensure part conformity.
English: Cross Sectional Tolerances | English: Cut Tolerances |
Metric: Cross Sectional Tolerances | Metric: Cut Tolerances |
Extruded Rubber and Plastic Cross Section Tolerances:
Imperial (English) Units
Rubber and Plastic Cut Length Tolerances for Unspliced Extruded Profiles:
Imperial (English) Units
Extruded Rubber and Plastic Cross Section Tolerances:
Metric Units
Rubber and Plastic Cut Length Tolerances for Unspliced Extruded Profiles:
Metric Units
RMA Class |
1 | 2 | 3 | ||
High Precision |
Prec- ision |
Commer- cial |
|||
Dim. (mm) |
Dwg. Designation |
L1 | L2 | L3 | |
Above | Up To | +/- | +/- | +/- | |
0 | 40 | .70 | 1.00 | 1.60 | |
40 | 63 | .80 | 1.30 | 2.00 | |
63 | 100 | 1.00 | 1.60 | 2.50 | |
100 | 160 | 1.30 | 2.20 | 3.20 | |
160 | 250 | 1.60 | 2.50 | 4.00 | |
250 | 400 | 2.00 | 3.20 | 5.00 | |
400 | 630 | 2.50 | 4.00 | 6.30 | |
630 | 1000 | 3.20 | 5.00 | 10.00 | |
1000 | 1600 | 4.00 | 6.30 | 12.50 | |
1600 | 2500 | 5.00 | .10.00 | 16.00 | |
2500 | 4000 | 6.30 | 12.50 | 20.00 | |
4000+ | .16% | .32% | .50% |
Tolerance Tables are courtesy of the Rubber Manufacturer's Association (RMA). For more information, please visit their website at www.rma.org.