Manufacturers produce engineering plastics that are slightly oversize in either diameter and/or thickness. This oversize tolerance, which is listed in the tables below, is provided to assist customers to produce very accurate items within the size shown and remove any minor surface imperfection.
Tufnol IP/13 Sheet Tolerances
|
Tolerance in mm, + and - about nominal thickness
|
|
Tufnol Grade -->
|
1P/13
|
Kite
|
Whale
|
|
0.4
|
0.07
|
0.07
|
-
|
|
0.5
|
0.08
|
0.08
|
0.13
|
|
0.6
|
0.09
|
0.09
|
0.14
|
|
0.8
|
0.10
|
0.10
|
0.15
|
|
1.0
|
0.12
|
0.12
|
0.16
|
|
1.2
|
0.14
|
0.14
|
0.17
|
|
1.6
|
0.16
|
0.16
|
0.19
|
|
2.0
|
0.19
|
0.19
|
0.21
|
|
2.5
|
0.22
|
0.22
|
0.24
|
|
3.0
|
0.25
|
0.25
|
0.26
|
|
4.0
|
0.30
|
0.30
|
0.32
|
|
5.0
|
0.34
|
0.34
|
0.36
|
|
6.0
|
0.37
|
0.37
|
0.40
|
|
|
Tolerance in mm, + and - about nominal thickness
|
|
Tufnol Grade -->
|
1P/13
|
Kite
|
Whale
|
|
8.0
|
0.47
|
0.47
|
0.49
|
|
10.0
|
0.55
|
0.55
|
0.56
|
|
12.0
|
0.62
|
0.62
|
0.64
|
|
14.0
|
0.69
|
0.69
|
0.70
|
|
16.0
|
0.75
|
0.75
|
0.76
|
|
20.0
|
0.86
|
0.86
|
0.87
|
|
25.0
|
1.00
|
1.00
|
1.02
|
|
30.0
|
1.15
|
1.12
|
1.12
|
|
35.0
|
1.25
|
1.25
|
1.12
|
|
40.0
|
1.35
|
1.35
|
1.35
|
|
45.0
|
1.45
|
1.45
|
1.45
|
|
50.0
|
1.55
|
1.55
|
1.55
|
|
|