SUMITUBE™ NHR2
CatalogNo.717
[125℃ rating, halogen-free, flame-retarded, heatresistant tubing]UL/cULus recognized
■ UL recognized
■ Flexible
■ Flame-retarded (halogen-based flame-retardant-free)
✔RoHS directive 10 substances
Applications
■ Insulation, protection and reinforcement for termination and joints of electric wire
■ Color identification and bundling for electric wires
Basic Properties
| Category | Heat shrink tubing |
|---|---|
| Material | Irradiated cross-linked flexible flame-retarded polyolefin |
| Flammability | Flame Retarded |
| Shrink temperature | min. 100℃ |
| Shrink ratio | min. 50% |
| Longitudinal change | -5 ±5% |
| Continuous operating temperature | -55 to 125℃ |
| Specifications/Approvals |
UL224 File No. E48762 Rating temperature: 125℃ Rating voltage: 600V Flammability: VW-1 |
| Marking on Surface |
125℃ VW-1 SUMITUBE NHR2 -F- XXX (XXX indicates size) |
| Available colors | Black |
| Flexibility | Flexible |
| Environmental Compliance | Halogen-free,RoHS,ELV |
| Industry | Construction machinery,Industrial machinery,Electronics |
Oil/Chemical resistance (room temperature)
| Gasoline | Gas oil | Lubricant | Alcohol | Acid | Alkali |
|---|---|---|---|---|---|
| △ | △ | △ | ◎ | ○ | ○ |
◎：Very good ○：Good △：Not applicable in some cases
| Properties | Items | Requirements | Typical Values * |
|---|---|---|---|
| Mechanical | Tensile strength (before aging) Tensile strength (after aging) Elongation (before aging) Elongation (after aging) Heat shock Cold bend |
min. 10.4MPa 158℃ x 7 days, min. 7.3MPa min. 200% 158℃ x 7 days, min. 100% 250℃ x 4 hours, no crack -30℃ x 1 hour, no crack |
11.9MPa 11.5MPa 510% 460% Pass Pass |
| Electrical | Dielectric withstand (before aging) Dielectric withstand (after aging) Dielectric breakdown (before aging) Dielectric breakdown (after aging) Volume resistivity |
AC2.5kV x 60 sec., no breakdown 158℃ x 7 days, AC2.5kV x 60 sec., no breakdown min. AC2.5kV 158℃ x 7 days, min. 50% of original and min. AC2.5kV min. 1.0 x 1014Ω・cm |
Pass Pass 16.0kV Pass 4.0 x 1015Ω・cm |
| Chemical | Corrosion against bare copper
Flammability |
158℃ x 7 days, no corrosion after leaving under 95% humidity, 23℃ x 24 hours Flame-retarded, pass VW-1 |
Pass 380% Pass |
Sizes
