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What would you do if there was no vinyl electrical tape?
If you’re an electrician or a contractor, life without this sticky companion might sound like a nightmare, but for those living just 100 short years ago it was a reality, because electrical tape simply didn’t exist.
In fact, the vinyl electrical tape that we all know and love came into existence more than 70 years ago, when 3M inventors Snell, Oace, and Eastwold created it and saved electricians from the weak, corrosive and rot-prone tape of yore, which was made of tar-coated cotton with a vulcanized rubber adhesive.
Learn more about the evolution of electrical tape with the timeline below.
Minnesota Mining and Manufacturing Co. (now known as 3M) establishes itself as a mining operation; sandpaper is their first commercial product.
Now that automobiles are more common, customers demand more color options. Masking part of a car with cloth surgical tape gives auto makers nothing but grief.
World War II spawns many, many innovations in the industrial world that include the invention of PVC, plasticized vinyl.
One of the 3 scientists credited with the invention of Vinyl Electrical Tape, Esther paves the way with her discovery of an adhesive-friendly plasticizer.
3M applies for a patent in January 1946 and No. 33 Tape (originally white or yellow in color) becomes the new standard for insulating electrical connections.
3M introduces the new and improved electrical tape "Super 33". Now black for UV resistance, it has a new operating temperature rating up to 176ºF.
3M Vinyl Electrical Tape takes another leap forward to 33 PLUS. It boasts a surprising upper operating temperature rating of 221ºF.
3M launches the 1st highly conformable, all-weather Linerless Rubber Splicing Tape as Scotch® 130C…but don't forget to overwrap with 3M Vinyl Electrical Tape.
3M sets the standard yet again with the new and improved "Super 33+" vinyl electrical tape that has even greater elasticity.
3M CELEBRATES their invention of Vinyl Electrical Tape. Tape that transformed the electrical industry almost overnight is definitely worthy of a birthday party!
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