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⚡ Wrap it tight, keep it right — the pro’s choice for electrical insulation!
3M Scotch 70 Self-Fusing Silicone Rubber Electrical Tape is a 1-inch wide, 30-foot long high-performance insulating tape designed for professional electrical applications. Featuring a 12 mil thick silicone rubber backing and single-sided adhesive, it offers outstanding resistance to ozone, electrical tracking, and arcs. With a tensile strength of 12 lb/in and the ability to stretch up to 450%, it ensures a secure, gap-free seal that withstands temperatures up to 356°F (180°C). RoHS compliant and trusted by industry pros, this tape is ideal for protecting cables and making reliable re-enter connections.









| Adhesive Format | Single-sided |
| Adhesive Location | Single-sided |
| Adhesive Side Count | 1 |
| Asin | B0029Z5RSY |
| Best Sellers Rank | #12,955 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #44 in Silicone Adhesives |
| Brand Name | 3M |
| Colour | Gray |
| Compatible Material | Rubber |
| Customer Reviews | 4.2 4.2 out of 5 stars (56) 4.2 out of 5 stars |
| Foil Thickness | 0.01 Inches |
| Global Trade Identification Number | 00051128572610 |
| Item Resistance | Ozone, High Temperature |
| Item Weight | 0.1 Kilograms |
| Manufacturer | Scotch |
| Manufacturer Part Number | 70 |
| Material Type | Silicone |
| Model | 70 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Other Special Features Of The Product | Self-Adhering |
| Recommended Uses For Product | Electrical |
| Size | Large |
| Tensile Strength | 12 Pounds Per Inch |
| Unit Count | 1.0 Count |
| Upc | 051128572610 |
| Upper Temperature Rating | 356 Degrees Fahrenheit |
User
Nice product
It is very useful in High Voltage system... Nice product
User
Insulation tape
The product is good
User
Ok
Not so good
User
Damaged and expired product
Received damaged product
User
Best tape
This tape does the trick. Works as advertised. I also bought the fix it tape and can tell the quality of this product outshine the cheap brands. I found this to be a little expensive but plan on sticking to this brand for future needs. The product was used to seal some electrical wires to an outside lamp. I had to go back and undo it and found that fusing was no joke. I easly cut it with a knife and peeled away like rubber skin. Word of warning when wrapping items, please make sure you streach it out as you are apllying and don't get ahead of your self by removing the protective plastic. If the tape happens to crinkle on to itself then you may get lucky and be able to straighten it out. When they say self fusing ... it will. At this price you don't want to waste.
User
Great stuff
Great stuff, be careful when applying because you won't get a second chance to fix your wraps, it is that self-adherent. You end up ripping it if you have to remove.
User
Package Arrived In Used Condition
Scotch 70 is a fantastic product. I’ve used many rolls of this at work in aircraft manufacturing and at home. The problem I had was the little product box it came in was beat up like it had been kicking around somebody’s shop. It’s a very expensive product and I thought I was buying new, so it should be as new.
User
Works as advertised
This works perfect for the application.
Trustpilot
5 days ago
1 day ago