|
The
General Chemical Resistance of
Various Rubbers
and Plastics |
KEY |
| (S)
Satisfactory |
(U)
Unsatisfactory |
(-)
Unknown |
| NR Natural
Rubber |
SBR S.B.R. |
N Neoprene |
| BN Buna
N |
V Viton |
H Hypalon |
| EPT E.P.T. |
B Butyl |
P Polyethylene |
| T Teflon |
|
|
|
KEY |
| mm = millimeters |
| fr = fraction |
| in = inches |
 |
Standard
Dimension Tolerance Table
Molded solid rubber
products, drawing designation "A3" commercial |
Size
(Inches) |
Fixed |
Closure |
| Above Incl. |
|
|
| 0-
.40 |
+/-.008 |
+/-.013 |
| .40-
.63 |
.010 |
.016 |
| .63-
1.00 |
.013 |
.020 |
| 1.00-
1.60 |
.016 |
.025 |
| 1.60-
2.50 |
.020 |
.032 |
| 2.50-
4 00 |
.025 |
.040 |
| 4.00-
6 30 |
.032 |
.050 |
6.30
and over- To find fixed dimensional tolerances
multiply by 0.5%. |
| |
|
|
Size
(Inches) |
Fixed |
Closure |
| Above Incl. |
|
|
| 0-
.10 |
+/-.20 |
+/-.32 |
| 10-16 |
.25 |
.40 |
| 16-25 |
.32 |
.50 |
| 25-40 |
.40 |
.63 |
| 40-63 |
.50 |
.80 |
| 63-100 |
.63 |
1.00 |
| 100-160 |
.80 |
1.25 |
160
and over- To find fixed dimensional tolerances
multiply by 0.5%. |
| |
| Drawing
Designation "A3" tolerances indicate
a "commercial" product and will
normally be used for most products. |
|
|
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