WW-EF is a 1/8 in self-amalgamating mastic for insulating and sealing all types of overhead and direct buried electrical connections up to 600 V. WWEF has superior adhesion to metals, cable insulations and jackets. It will have no adverse effects on polymeric conducting shields. WW-EF provides an excellent water seal for duct work, cable ends and all types of splices. WW-EF is normally wrapped with vinyl tape.
NSI Electrical Filler Tape, Series: WW-EF, 5 ft Length, 1-1/2 in Width, 125 mil Thickness, Black, Mastic Adhesive, Vinyl Backing, 266 deg F Maximum Operating, Specifications Met: ASTM D4325/570/69/149/150/257
| Maximum Operating Temperature | : | 266 deg F |
| Series | : | WW-EF |
| Specifications Met | : | ASTM D4325/570/69/149/150/257 |
| Length | : | 5 ft |
| Width | : | 1-1/2 in |
| Thickness | : | 125 mil |
| Adhesive Material | : | Mastic |
| Backing Material | : | Vinyl |
| Color | : | Black |
- Superior adhesion to metal, all types of cable insulations and jackets
- Excellent thermal stability
- Resistant to water, salt water, soil and corrosive chemicals
- Will not adversely affect cable insulations or polymeric conducting shields
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