| Items | Test Methods | Specifications |
| Shrink temperature | Company standard | 90°C |
| Operating temperature range | UL224 | -55°C~125°C |
| Radial shrinking ratio | ≥50% | |
| Longitudinal change | ASTM D2671 | -5%~+5% |
| Tensile strength | ASTM D638 | ≥10.4MPa |
| Elongation at break | ASTM D638 | ≥200% |
| Aging in circulating-air oven | 158.0°C ± 1.0°C, 168hrs | |
| Tensile strength after aging | ASTM D638 | ≥7.3MPa |
| Elongation at break after aging | ASTM D638 | ≥100% |
| Volume resistance | ASTM D2671 | ≥1.0 x 10¹² Ω .cm |
| Dielectric strength | UL224, AC2500V, 1min | No breakdown |
| Heat shock | UL224 | No cracking |
| Flammability | UL224 | VW- 1 |
| Concentricity | ASTM D2671 | ≥70% |
|
SIZE
(Inch) |
As supplied (mm) |
After Recovery (mm) |
||
|
Inside diameter (D) |
Wall-thinkness (T) |
Inside diameter (D) |
Wall-thinkness (T) |
|
|
3/64 |
1.50 ± 0.20 |
0.18 ± 0.05 |
≤0.60 |
0.36 ± 0.08 |
|
1/16 |
2.00 ± 0.20 |
0.18 ± 0.05 |
≤0.80 |
0.36 ± 0.08 |
|
3/32 |
2.50 ± 0.20 |
0.20 ± 0.05 |
≤1.00 |
0.42 ± 0.08 |
|
1/8 |
3.50 ± 0.20 |
0.22 ± 0.05 |
≤1.50 |
0.46 ± 0.08 |
|
3/16 |
5.00 ± 0.20 |
0.23 ± 0.05 |
≤2.25 |
0.46 ± 0.10 |
|
1/4 |
6.50 ± 0.20 |
0.25 ± 0.05 |
≤3.00 |
0.55 ± 0.10 |
|
3/8 |
9.50 ± 0.20 |
0.28 ± 0.10 |
≤4.50 |
0.58 ± 0.10 |
|
1/2 |
13.50 ± 0.30 |
0.28 ± 0.12 |
≤6.50 |
0.58 ± 0.10 |
|
3/4 |
20.60 ± 0.50 |
0.32 ± 0.15 |
≤10.00 |
0.68 ± 0.15 |
|
1 |
25.60 ± 0.70 |
0.40 ± 0.15 |
≤12.50 |
0.78 ± 0.12 |
|
1–1/4 |
30.60 ± 0.70 |
0.40 ± 0.15 |
≤15.00 |
0.82 ± 0.12 |
|
1–1/2 |
41.00 ± 0.50 |
0.50 ± 0.25 |
≤20.00 |
1.10 ± 0.15 |
|
2 |
41.00 ± 0.50 |
0.55 ± 0.25 |
≤26.00 |
1.10 ± 0.15 |
|
3 |
81.00 ± 1.00 |
0.60 ± 0.30 |
≤40.00 |
1.25 ± 0.20 |
|
4 |
101.00 ± 1.00 |
0.60 ± 0.30 |
≤50.00 |
1.25 ± 0.20 |
| Specification | Dimension before shrinkage（mm） | Dimension after full contraction（mm） | ||
|---|---|---|---|---|
| Diameter（D） | Thickness（T） | Diameter（d） | Thickness（t） | |
| Ф0.7 |
1.0+0.2/-0.1 |
0.18±0.05 |
≤0.40 |
0.32±0.08 |
| Ф0.8 |
1.2+0.2/-0.1 |
0.18±0.05 |
≤0.45 |
0.34±0.08 |
| Ф1.0 |
1.5+0.2/-0.1 |
0.18±0.05 |
≤0.60 |
0.36±0.08 |
| Ф1.5 |
2.1+0.2/-0.1 |
0.18±0.05 |
≤0.80 |
0.36±0.08 |
| Ф2.0 |
2.5+0.2/-0.1 |
0.20±0.05 |
≤1.00 |
0.42±0.08 |
| Ф2.5 |
3.0+0.2/-0.1 |
0.22±0.05 |
≤1.25 |
0.46±0.08 |
| Ф3.0 |
3.5+0.2/-0.1 |
0.22±0.05 |
≤1.50 |
0.46±0.08 |
| Ф3.5 |
4.0+0.2/-0.1 |
0.22±0.05 |
≤1.75 |
0.46±0.08 |
| Ф4.0 |
4.6+0.2/-0.1 |
0.22±0.05 |
≤2.00 |
0.46±0.08 |
| Ф4.5 |
5.0+0.2/-0.1 |
0.23±0.05 |
≤2.25 |
0.46±0.08
|
| Ф5.0 |
5.5+0.2/-0.1 |
0.25±0.05 |
≤2.50 |
0.50±0.08
|
| Ф5.5 |
6.0+0.2/-0.1 |
0.25±0.05 |
≤2.75 |
0.50±0.08
|
| Ф6.0 |
6.5+0.2/-0.1 |
0.25±0.05 |
≤3.00 |
0.55±0.10
|
| Ф6.5 |
6.9+0.2/-0.1 |
0.25±0.05 |
≤3.25 |
0.55±0.10
|
| Ф7.0 |
7.5+0.2/-0.1 |
0.25±0.05 |
≤3.50 |
0.55±0.10
|
| Ф8.0 |
8.5+0.3/-0.1 |
0.28±0.06 |
≤4.00 |
0.58±0.10
|
| Ф9.0 |
9.5+0.2/-0.1 |
0.28±0.06 |
≤4.50 |
0.58±0.10
|
| Ф10 |
10.5+0.3/-0.1 |
0.28±0.06 |
≤5.00 |
0.58±0.10 |
| Ф11 |
11.5+0.3/-0.1 |
0.28±0.06 |
≤5.50 |
0.58±0.10 |
| Ф12 |
12.5+0.3/-0.1 |
0.28±0.06 |
≤6.00 |
0.58±0.10 |
| Ф13 |
13.5+0.3/-0.1 |
0.28±0.06 |
≤6.50 |
0.58±0.10 |
| Ф14 |
14.5+0.3/-0.1 |
0.28±0.06 |
≤7.00 |
0.58±0.10 |
| Ф15 |
15.5+0.3/-0.1 |
0.28±0.06 |
≤7.50 |
0.58±0.10 |
| Ф16 |
16.5+0.3/-0.1 |
0.28±0.06 |
≤8.00 |
0.58±0.10 |
| Ф17 |
17.5+0.3/-0.1 |
0.28±0.06 |
≤8.50 |
0.58±0.10 |
| Ф18 |
18.5+0.3/-0.1 |
0.32±0.08 |
≤9.00 |
0.68±0.10 |
| Ф20 |
20.6+0.5/-0.2 |
0.32±0.08 |
≤10.0 |
0.68±0.10 |
| Ф22 |
22.6+0.7/-0.2 |
0.35±0.08 |
≤11.0 |
0.72±0.12 |
| Ф25 |
25.6+0.7/-0.2 |
0.40±0.10 |
≤12.5 |
0.78±0.12 |
| Ф28 |
28.6+0.7/-0.2 |
0.40±0.10 |
≤14.0 |
0.78±0.12 |
| Ф30 |
30.6+0.7/-0.2 |
0.40±0.10 |
≤15.0 |
0.82±0.12 |
| Ф35 |
35.6+0.7/-0.2 |
0.45±0.10 |
≤17.5 |
0.92±0.12 |
| Ф40 |
41.0±0.5 |
0.50±0.12 |
≤20.0 |
1.00±0.15 |
| Ф45 |
46.0±0.5 |
0.50±0.12 |
≤22.5 |
1.00±0.15 |
| Ф50 |
51.0±1.0 |
0.55±0.15 |
≤25.0 |
1.10±0.15 |
| Ф55 |
55.5±1.0 |
0.55±0.15 |
≤27.5 |
1.10±0.15 |
| Ф60 |
60.5±1.0 |
0.60±0.15 |
≤30.0 |
1.25±0.20 |
| Ф70 |
71.0±1.0 |
0.60±0.15 |
≤35.0 |
1.25±0.20 |
| Ф80 |
81.0±1.0 |
0.60±0.15 |
≤40.0 |
1.25±0.20 |
| Ф90 |
91.0±1.0 |
0.60±0.15 |
≤45.0 |
1.25±0.20 |
| Ф100 |
101.0±1.0 |
0.60±0.15 |
≤50.0 |
1.25±0.20 |