Halogen Free Heat Shrink Wire Markers
Tier One THF series of, Halogen Free, Low Smoke Heat Shrink Wire Markers is made from radiation cross-linked polyolefin material, which can meet the special use environment. The main function is for cable interface marking of signal and power system. It is widely used in rail transit, communications, precision instruments, and automobiles, Ships, spacecraft, aircraft and nuclear power islands and other fields.
Material standard: ASTM D 2671
Color code robustness standard: SAE AS 81531 and MIL-STD-202G/215K
Fire and Smoke Toxicity Index Standard: DIN 5510-2
Shrinkage ratio: 2:1 and 3:1
Shrinking temperature: ≥85℃
Final shrinking temperature: ≥115℃
Operating temperature: -55℃~+125℃
Environmental protection standard: ROHS
Technical Datasheet
|
Property |
Test method |
Values |
|
|
Physical |
Longitudinal shrinkage |
ASTM D 2671 |
≤5% |
|
Tensile strength |
ASTM D 2671 |
≥12 MPa |
|
|
Breakdown elongation |
ASTM D 2671 |
≥300% |
|
|
Aging(158ºC/168hrs) |
Breakdown elongation |
ASTM D 2671 |
≥200% |
|
Heat shock |
ASTM D 2671 |
No cracking |
|
|
Low temperature flexibility(-55ºC/4hrs) |
ASTM D 2671 |
No cracking |
|
|
Electrical |
Dielectric voltage Withstand |
ASTM D 2671 |
2500V,60s No breakdown |
|
Volume resistivity |
ASTM D 2671 |
≥1014Ω.cm |
|
|
Dielectric strength |
ASTM D2671 |
≥20 KV/mm |
|
|
Chemical |
Flammability |
ASTM D 2671 |
Self-extinguish in 60s |
|
Copper corrosion |
ASTM D2671 |
No corrosion |
|
|
Printing performance |
SAE AS81531 |
50 rubs, legible |
|
|
MIL-STD-202 |
30 strokes, legible |
||
|
Fluids resistance (23ºC/24hrs) |
SAE AS81531 |
Printing legible |
|
| Model | As supplied (mm) | After Recovery (mm) | |||
| ID | Flat width | Double layer thickness | ID | One Layer thickness | |
| THF-2X | |||||
| THF-2X-1.6 | 2.00±0.20 | 3.7±0.3 | 0.48±0.10 | ≤0.79 | 0.45±0.06 |
| THF-2X-2.4 | 2.79±0.20 | 5.0±0.3 | 0.48±0.10 | ≤1.18 | 0.49±0.06 |
| THF-2X-3.2 | 3.64±0.23 | 6.3±0.4 | 0.48±0.10 | ≤1.59 | 0.51±0.06 |
| THF-2X-4.8 | 5.26±0.25 | 8.9±0.4 | 0.49±0.10 | ≤2.36 | 0.54±0.06 |
| THF-2X-6.4 | 6.92±0.28 | 11.5±0.4 | 0.50±0.10 | ≤3.18 | 0.56±0.06 |
| THF-2X-9.5 | 10.2±0.32 | 16.7±0.5 | 0.51±0.11 | ≤4.75 | 0.59±0.06 |
| THF-2X-12.7 | 13.5±0.36 | 21.8±0.6 | 0.52±0.11 | ≤6.35 | 0.60±0.07 |
| THF-2X-19.1 | 20.1±0.40 | 32.2±0.6 | 0.53±0.11 | ≤9.53 | 0.62±0.07 |
| THF-2X-25.4 | 26.7±0.45 | 42.5±0.7 | 0.55±0.12 | ≤12.7 | 0.63±0.07 |
| THF-2X-38 | 39.8±0.51 | 63.2±0.8 | 0.57±0.12 | ≤19.1 | 0.64±0.07 |
| THF-2X-51 | 53.0±0.56 | 83.9±0.9 | 0.58±0.13 | ≤25.4 | 0.64±0.08 |
| THF-2X-76 | 79.4±0.56 | 125.3±1.0 | 0.59±0.13 | ≤38.1 | 0.64±0.09 |
| THF-3X | |||||
| THF-3X-1.6 | 2.00±0.20 | 3.7±0.3 | 0.47±0.10 | ≤0.53 | 0.52±0.06 |
| THF-3X-2.4 | 2.79±0.20 | 5.0±0.3 | 0.47±0.10 | ≤0.79 | 0.57±0.06 |
| THF-3X-3.2 | 3.64±0.23 | 6.3±0.4 | 0.48±0.10 | ≤1.06 | 0.61±0.06 |
| THF-3X-4.8 | 5.26±0.25 | 8.9±0.4 | 0.49±0.10 | ≤1.59 | 0.67±0.06 |
| THF-3X-6.4 | 6.92±0.28 | 11.5±0.4 | 0.50±0.10 | ≤2.36 | 0.71±0.06 |
| THF-3X-9.5 | 10.2±0.32 | 16.7±0.5 | 0.52±0.11 | ≤3.18 | 0.77±0.06 |
| THF-3X-12.7 | 13.5±0.36 | 21.8±0.6 | 0.53±0.11 | ≤4.75 | 0.80±0.07 |
| THF-3X-19.1 | 20.1±0.40 | 32.2±0.6 | 0.55±0.11 | ≤6.35 | 0.84±0.07 |
| THF-3X-25.4 | 26.7±0.45 | 42.5±0.7 | 0.56±0.12 | ≤8.47 | 0.86±0.07 |
| THF-3X-38 | 39.8±0.51 | 63.2±0.8 | 0.57±0.12 | ≤12.9 | 0.89±0.07 |
| THF-3X-51 | 53.0±0.56 | 83.9±0.9 | 0.57±0.13 | ≤17.2 | 0.90±0.08 |
| THF-3X-76 | 79.4±0.56 | 125.3±1.0 | 0.57±0.13 | ≤25.8 | 0.92±0.09 |
