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3M Glass cloth electrical tape 27

  • Product code: 27
  • Manufacturer: 3M
  • Package size:
  • Shelf Life:

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3M Glass Cloth Electrical Tape 27 is a 7-mil woven insulating glass cloth tape with pressure-sensitive rubber thermosetting adhesive. This tape is designed to operate in 600-volt dry applications requiring high mechanical strength and resistance to high temperatures. The glass cloth is specially treated and prepared to provide corrosion-freeprotection. The glass cloth will not shrink, rot or burn, has a high tensile strength and is printable.

APPLICATIONS:

  • Insulating electric and induction-type furnace power supply leads
  • Securing systems requiring high mechanical strength and resistance to high temperatures
  • Splicing wire SF and SFF rated 302° F (150° C), 356° F (180° C)
  • Insulating motor lead connectors, switchers and controls for furnaces and ovens
  • Insulation in coil wrapping outerwrap
  • Provides heat stable insulation for hot spot applications

Physical:

Property (Test Method)
(ASTM D1000 unless noted)		 Typical Value
US units (metric)
Color white
Adhesive rubber thermosetting
Backing Thickness 5.0 mils (0,125 mm)
Total Thickness 7.0 mils (0,177 mm)
Elongation (% at break) 5%
Operating Temperature 150° C
Adhesion to Steel 30 oz/in (3.3 N/10 mm)

Electrical:

Property (Test Method)
(ASTM D1000 unless noted)		 Typical Value
US units (metric)
Dielectric Breakdown 3000 V
Breaking Strength 150 lbs/in (252 N/10 mm)`
Insulation Resistance 4.8 x 104 megohms
CTI Material Group 1
Electrolytic Corrosion Factor
3M Test Method 		0.9

 

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