3M 79 Glass Cloth Electrical Tape

  • 7.0 mil (0.177 mm) thickness
  • Pressure-sensitive Acrylic adhesive
  • Comparable to Permacel P21

    3M 79 is edge-tear resistant, conformable and solvent-resistant. Used for as coil cover, anchor, banding and core, layer and crossover insulation while providing insulation and solvent-resistant protection.

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Size/DescriptionColorUOMPrice 
1+ Rolls10+ Rolls25+ Rolls50+ Rolls
Size: 3M 79 0.25" x 60yd
Part #: 3M 79 0.25" x 60yd
Package Qty: 1
RollNA$11.09$10.47$9.86Add to Cart
Size: 3M 79 0.313" x 60yd
Part #: 3M 79 0.313" x 60yd
Package Qty: 1
RollNA$12.62$11.92$11.22Add to Cart
Size: 3M 79 0.375" x 60yd
Part #: 3M 79 0.375" x 60yd
Package Qty: 1
RollNA$15.12$14.28$13.44Add to Cart
Size: 3M 79 0.438" x 60yd
Part #: 3M 79 0.438" x 60yd
Package Qty: 1
RollNA$17.67$16.69$15.70Add to Cart
Size: 3M 79 0.47" x 60yd
Part #: 3M 79 0.47" x 60yd
Package Qty: 1
RollNA$18.95$17.90$16.85Add to Cart
Size: 3M 79 0.5" x 60YD
Part #: 3M 79 0.5" x 60YD
Package Qty: 1
RollNA$20.16$19.04$17.92Add to Cart
Size: 3M 79 0.563" x 60yd
Part #: 3M 79 0.563" x 60yd
Package Qty: 1
RollNA$22.71$21.45$20.18Add to Cart
Size: 3M 79 0.625" x 60yd
Part #: 3M 79 0.625" x 60yd
Package Qty: 1
RollNA$23.53$22.22$20.91Add to Cart
Size: 3M 79 0.688" x 60yd
Part #: 3M 79 0.688" x 60yd
Package Qty: 1
RollNA$25.89$24.45$23.02Add to Cart
Size: 3M 79 0.71" x 60yd
Part #: 3M 79 0.71" x 60yd
Package Qty: 1
RollNA$26.72$25.24$23.75Add to Cart
Size: 3M 79 0.75" x 60YD
Part #: 3M 79 0.75" x 60YD
Package Qty: 1
RollNA$28.23$26.66$25.10Add to Cart
Size: 3M 79 0.875" x 60yd
Part #: 3M 79 0.875" x 60yd
Package Qty: 1
RollNA$32.93$31.10$29.27Add to Cart
Size: 3M 79 0.94" x 60yd
Part #: 3M 79 0.94" x 60yd
Package Qty: 1
RollNA$35.38$33.41$31.45Add to Cart
Size: 3M 79 1" x 60YD
Part #: 3M 79 1" x 60YD
Package Qty: 1
RollNA$37.64$35.55$33.46Add to Cart
Size: 3M 79 1.125" x 60yd
Part #: 3M 79 1.125" x 60yd
Package Qty: 1
RollNA$42.35$39.99$37.64Add to Cart
Size: 3M 79 1.25" x 60yd
Part #: 3M 79 1.25" x 60yd
Package Qty: 1
RollNA$47.05$44.44$41.82Add to Cart
Size: 3M 79 1.375" x 60yd
Part #: 3M 79 1.375" x 60yd
Package Qty: 1
RollNA$51.75$48.88$46.00Add to Cart
Size: 3M 79 1.5" x 60yd
Part #: 3M 79 1.5" x 60yd
Package Qty: 1
RollNA$56.46$53.32$50.18Add to Cart
Size: 3M 79 1.625" x 60yd
Part #: 3M 79 1.625" x 60yd
Package Qty: 1
RollNA$61.16$57.77$54.37Add to Cart
Size: 3M 79 1.75" x 60yd
Part #: 3M 79 1.75" x 60yd
Package Qty: 1
RollNA$65.87$62.21$58.55Add to Cart
Size: 3M 79 1.875" x 60yd
Part #: 3M 79 1.875" x 60yd
Package Qty: 1
RollNA$70.57$66.65$62.73Add to Cart
Size: 3M 79 1.89" x 60yd
Part #: 3M 79 1.89" x 60yd
Package Qty: 1
RollNA$71.14$67.18$63.23Add to Cart
Size: 3M 79 2.25" x 60yd
Part #: 3M 79 2.25" x 60yd
Package Qty: 1
RollNA$84.69$79.99$75.28Add to Cart
Size: 3M 79 2.5" x 60yd
Part #: 3M 79 2.5" x 60yd
Package Qty: 1
Roll$104.55$94.10$88.87$83.64Add to Cart
Size: 3M 79 2.75" x 60yd
Part #: 3M 79 2.75" x 60yd
Package Qty: 1
Roll$115.01$103.51$97.76$92.01Add to Cart
Size: 3M 79 2.83" x 60yd
Part #: 3M 79 2.83" x 60yd
Package Qty: 1
Roll$118.35$106.52$100.60$94.68Add to Cart
Size: 3M 79 3.78" x 60yd
Part #: 3M 79 3.78" x 60yd
Package Qty: 1
Roll$158.08$142.27$134.37$126.46Add to Cart
Size: 3M 79 4.72" x 60yd
Part #: 3M 79 4.72" x 60yd
Package Qty: 1
Roll$197.39$177.65$167.78$157.91Add to Cart
Size: 3M 79 5" x 60yd
Part #: 3M 79 5" x 60yd
Package Qty: 1
Roll$209.10$188.19$177.74$167.28Add to Cart
Size: 3M 79 5.67" x 60yd
Part #: 3M 79 5.67" x 60yd
Package Qty: 1
Roll$237.12$213.41$201.55$189.70Add to Cart
Size: 3M 79 7" x 60yd
Part #: 3M 79 7" x 60yd
Package Qty: 1
Roll$292.74$263.47$248.83$234.19Add to Cart
Size: 3M 79 8" x 60yd
Part #: 3M 79 8" x 60yd
Package Qty: 1
Roll$334.56$301.10$284.38$267.65Add to Cart
Size: 3M 79 9" x 60yd
Part #: 3M 79 9" x 60yd
Package Qty: 1
Roll$376.39$338.75$319.93$301.11Add to Cart
Size: 3M 79 10" x 60yd
Part #: 3M 79 10" x 60yd
Package Qty: 1
Roll$418.21$376.39$355.48$334.57Add to Cart
Size: 3M 79 11" x 60yd
Part #: 3M 79 11" x 60yd
Package Qty: 1
Roll$460.03$414.03$391.03$368.02Add to Cart
Size: 3M 79 0.125" x 60yd (PK-2)
Part #: 3M 79 0.125" x 60yd (PK-2)
Package Qty: 2
PackNA$11.09$10.47$9.86Add to Cart
Size: 3M 79 0.188" x 60yd (PK-2)
Part #: 3M 79 0.188" x 60yd (PK-2)
Package Qty: 2
PackNA$15.17$14.32$13.48Add to Cart
Size: 2in x 36yd
Part #: 3M 79 2" x 36YD
Package Qty: 1
RollNA$75.28$71.09$66.91Add to Cart
Size: 3in x 36yd
Part #: 3M 79 3" x 36YD
Package Qty: 1
RollNA$112.91$106.64$100.37Add to Cart
Size: 4in x 36yd
Part #: 3M 79 4" x 36YD
Package Qty: 1
RollNA$150.55$142.19$133.82Add to Cart
Size: 6in x 36yd
Part #: 3M 79 6" x 36YD
Package Qty: 1
RollNA$225.83$213.28$200.74Add to Cart
Size: 12in x 36yd
Part #: 3M 79 12" x 36YD
Package Qty: 1
RollNA$451.67$426.57$401.48Add to Cart
Backing DescriptionGlass Cloth
AdhesiveAcrylic
Operating Temperature (°C) 150°C
Total Thickness mils (mm)7.0 mil (0.177 mm)
Dielectric Breakdown (Volts)3000V
Insulation Resistance (megohms)-
Breaking Strength lb/in (N/10 mm)150 lbs/in (262 N/10 mm)
Elongation (% at Break)5%
Electrolytic Corrosion Factor0.9
Adhesion to Steel oz/in (N/10 mm)30 oz/in (3.3 N/10 mm)
UL 510 Flame Retardant-
CTI Material Group1
CSA Certified-
UL Recognized ComponentUL File E17385, Product Category OANZ2
Shelf Life5 years when stored at temperature 10°C (50°F) to 27°C (80°F) and with less than 75% relative humidity
Restocking fee60% restocking fee