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Insulating Yellow Wax Tube / PVC-coated Fiberglass Sleeve
The Yellow Wax Tube is an insulating tubing made from alkali-free fiberglass yarn, woven and coated with polyvinyl chloride (PVC) resin, then thermally plasticized. This PVC fiberglass sleeving offers excellent dielectric properties, chemical resistance, as well as superior flexibility and elasticity.
Wide Range of Applications:
| Property | Requirement / Result |
|---|---|
| Resistance to soldering heat | Pass (under 5 mm) |
| Bending after heating | No cracking or detachment after 96 hours at 130℃ |
| Bending at low temperature | No cracking or detachment at 25℃ |
| Insulation resistance | Room temperature 10MΩ / Damp heat 10MΩ |
| Flam propagation | 60 seconds max |
| Temperature index | 105 |




| Item | Typical Data | Test Standard |
|---|---|---|
| Tensile Strength | ≥4.0MPa | GB/T 528-2009 |
| Elongation at break | ≥300% | GB/T 528-2009 |
| Self-adhesive | >3.5N/cm | ASTM D2148 |
| Dielectric strength | ≥22kV/mm | GB/T1408.1-2006 |
| Volume resistivity | ≥1.3×1014Ω·m | GB/T1410-2006 |



