3M 1157R White Electrical Tape 1 in x 72 yd Roll
3M 1157R Electrical Tape Porous Rayon Mat Tape with Acrylic Pressure-Sensitive Adhesive
Technical Information
- Product Type Specialty Tape
- Product Form Tape
Product Information
3M 1157R Electrical Tape is a 100% rayon fiber backing coated on one side with an acrylic pressure- sensitive adhesive system for an overall caliper of 4 mils. The porous rayon mat and adhesive are both permeable to gases and liquids.
1157R was specifically designed to allow thorough penetration of the impregnating varnishes inside bobbin-wound coils. Another advantage of 1157R tape is its ability, because of its porosity, to pick up and become thicker, making a hard moisture and mechanical barrier on the outside of the coil.
Features:
- Porous construction allows varnishes to penetrate thoroughly
- Compatible with Scotchcast Brand resins
- 100% Rayon fiber backing
Data Sheets
Product Properties
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Shipping Information
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