3M Scotch 2221 Oil Barrier Mastic Tape

3M Scotch 2221 Oil Barrier Mastic Tape
Scotch 2221
3M Scotch 2221 Oil Barrier Mastic Tape is a 1.5mm thick, soft, self-fusing, oil resistant, elastomeric PU mastic tape on a liner for medium voltage applications – Scotch mastic tape has excellent resistance to abrasion, moisture, alkalis, acid, copper corrosion and varying weather conditions and forms part of the 3M Scotch Electrical Tapes.
3M Scotch 2221 provides excellent oil barrier and shows good stress control characteristics.
Availability: Contact Thorne & Derrick Sales for competitive prices and delivery from stock for 3M Scotch 2221 tape.

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3M Scotch 2221 Oil Barrier Mastic Tape Features
- Oil resistant mastic tape
- 3M Scotch 2221 has good stress control
- Scotch 2221 Tape is stable under normal storage conditions (21°C)
3M SCOTCH 2221 – Applications
Scotch 2221 Tape is designed for oil barrier in oil paper insulated MV cable joints and terminations.

3M Scotch 2221 Oil Barrier Mastic Tape – ex stock
3M Mastic Tape 2221 Installation – the tape shall be applied in half-lapped layers with very little tension to conform and produce a uniform covering. Follow the appropriate instruction drawing for cable joints or cable terminations.
3M Scotch 2221 Oil Barrier Mastic Tape Technical Specification
Colour | Grey |
Thickness | 1.5mm |
Temperature Range | Continuous operating temp. 90°C – Emergency operating temp. 130°C |
Adhesive | Elastomeric PU mastic tape |
Backing (Material Type) | Liner |
Width x Length | 19mm x 1.5m |
Dielectric Strength | 18kV/mm |
Breaking Strength | Dissipation factor 50 Hz > 0.2, Permitivity 50 Hz >7.0 |
Density | 1.51% |
Flame Retardant | Yes |
➡ T&D stock and supply the complete range of 3M Scotch Mastic Tapes.
3M Scotch Electrical tapes including Scotch 2221 are used to cable joint, splice, repair, seal and protect cables against abrasion, fire and corrosion – this includes LV-HV (11kV-33kV cables) – please contact T&D should you require assistance with selecting the correct tape.
Trademarks: 3M, Scotch, Scotchfil and Scotch 2221 are all trademarks of 3M Company.
Complete range of 3M Cable Accessories for the repair, joint and termination of LV MV HV cables.

Thorne & Derrick International | MV HV Joints, Terminations & Cable Connectors