Wire Markers and Other Accessories for Electric Equipment/
Heat-shrink Tube: SUMITUBE
SUMITUBE® is a polyolefin based heat-shrink tube used for insulation, corrosion protection, identification, and binding. With its heat-shrinking property utilized, this material has been applied to the identification of wires as a wire marker. With characters printed on it prior to shrinkage, it also works as a PVC insulator after shrinkage.There are some SUMITUBE products that are UL- and CSA-listed.
For printing characters other than those listed in the Table below, contact our sales office.

Features
| Applicable Standards and Features | UL-compliant *1 | RoHS-compliant | Logo mark *2 | Available sizes/colors |
|---|---|---|---|---|
| SUMITUBE A | × | ● | Not printed | 2 mm and 4 mm / White |
| SUMITUBE B2 | VW-1 | ● | Not printed | 1/4 / Red, White, Blue, Black and Yellow |
| SUMITUBE F2(Z) | VW-1 | ● | Printed |
*2 Whether the logo mark “SUMITOMO” is printed or not
FAQ
Introduces frequently asked questions in Q&A format.
Information on related products
Marker Tubes: Long-cut Tubes / Marker Tubes: Printed and cut-in-length tubes / Halogen-free Tube / Non-Skid Tube / Heat-shrink Tube: Hishilite / Heat-shrink Tube: SUMITUBE / FAQ
Products related to "Wire Markers and Other Accessories for Electric Equipment"
Wire Marker KTD-100 / Marker Tubes: Long-cut Tubes / Marker Ring / Warning Labels relating to Product Liability Law / Card Holder XJ0022 / Terminal Cap / Spiral Tube: SPIROBAND / Labels: Preliminary and follow-up work supporting label KYL-100 / Other products we are handling
