Nashua Foil mastic Sealant Tape seals and seams low, medium, and high pressure sheet metal duct systems and UL listed flexible, non-metallic ducts. Foil & Metal Tapes. Scotch® Rubber Mastic Tape 2228 High Voltage Sealing Padding Made in USA Sealing, Padding & Shaping Self-fusing material creates a moisture tight seal Rated for 90°C continuous operating temperature and overload temperatures up to 130°C Flexible and conformable over irregular shapes. They have excellent physical and electrical properties and are ideal for adding moisture protection and padding to electrical connections and cables. Thickness: 65 mils. Yes, that is correct. Voltage Rating: 600V. â¢ Avoid contact with food. Size: 2" Width, 10' Length. Wood, aluminum, glass, marble, and even duct board are all standard applications for mastic sealant. A wide variety of electrical tapes is available; some for highly specialized purposes. Safety Directions HIGHLY FLAMMABLE â¢ Avoid contact with skin and eyes and avoid breathing vapours. When used on a tape it's used to join two butting or overlapping surfaces and left to set. 3M 2228-2x10FT Vinyl Mastic Roll, 2" x 10' Rubber Mastic Tape, Scotch, Unprinted. The biggest downside to using mastic is that it can be messy when you are applying it. Scotch 2210 tape offers excellent resistance to abrasion, chemicals, corrosion, and UV â¦ Mastic varnish was used to protect and preserve photographic negatives. 160 oz./in (to polyethylene) 1,000% 10 lbs./in. Complete the job by over-wrapping with at least two half-lapped layers of Tale of the Tape The ï¬ rst commercial tape for electrical insulation was cotton friction tape, which became available in the early 1930s. Mastic is used in some varnishes. Widely used for cellular tower electrical splices. EPDM rubber tape is stretchier and more conformable than butyl rubber tape. Mastic Tape conforms to irregular surfaces to help insulate and seal in indoor and outdoor bus bar and splicing applications. The ethylene propylene rubber backing is coated with mastic adhesive that securely bonds to challenging materials, such as copper, aluminum, and power cable jackets. Vinyl electrical tape was introduced in the mid 40s. Rubber Mastic Tape 2228 Mastic with Ethylene Propylene Rubber (EPR) Backing 65 mils Up to 194°F (90°C) Up to 266°F (130°C) 240 oz./in. Used to create airtight seals, mastic can withstand extreme temperature differences, and with proper application, can last for years. Sealants are made from flexible material--most commonly silicone--making them ideal for areas prone to expansion and contraction. Can be wrapped, stretched or molded around irregular shapes for insulation build up, water sealing and surface protection. Learn here with the 3M Cycle Hack Series how cyclists use 3Mâ¢ Scotch® Rubber Mastic Tape to dampen chain reactions. The ethylene propylene rubber backing is coated with mastic adhesive that securely bonds to challenging materials, such as copper, aluminum, and power cable jackets. Price $39.25. Traditionally, mastic was an organic plant-based resin from the Pistacia lentiscus shrub, and its term is related to the word masticate, due to its sticky, gummy consistency. Codes will dictate when a mastic needs to be used. Gaps in ductwork or plenums that are over 1/16 or 1/8 inch wide can be sealed with mastic as long as the gap is first reinforced with fiberglass mesh tape. A release paper may be utilized. Mastic is an organic glue made from the sticky resin of the mastic tree. OMEGA, Roofing Tape is a high tack, self-fusing butyl rubber mastic ideal for making water and humidity resistant seals. To fill in holes and gaps, flat metal tape coated with an adhesive is a great choice. Last Updated: July 30, 2020 References Mastic is a resin-based adhesive that is used to set tile and other substances. "The primary tapes used in electrical applications are vinyl, rubber, mastic, and varnished cambric." Butyl Mastic is used in the electrical markets? Mastic is a vague term that generally refers to fast-grab glues for tile. The tape must be applicable at temperatures of 0°C to 38°C without loss of physical properties. The tape is made 65 mils (1,65 mm) thick for quick application build-up. Foil tape should only be used for sealing. Caulks are fairly rigid when dry, and are intended for use in areas with minimal expansion and contraction. The other colors are used to â¦ It adheres to just about any material making an all-purpose type of sealant. There is no fast way to remove mastic, but elbow grease or chemical removers will do the job. The main difference between a caulk and a sealant is elasticity. Mastic is a tree. butyl rubber, shall contain 2% or less volatile matter, and shall be .050â (1.3 mm) thick. Use for insulating and moisture sealing splices and terminations on solid electric cable. Scotch® Rubber Mastic Tape 2228 insulates and seals electrical connections rated up to 1,000 volts. Butyl tape is used in car windshields, roofing, boats, on PVC piping and to many other purposes. The tape shall be overlapped at least twice its width. Aggressive butyl rubber adhesive provides a permanent air and water-tight seal. Sometimes used over tape, this adhesive can be easily applied to joints of a duct system, with the only limitation being the ability to reach a joint. People use the sap (resin) from the trunk to make medicine. â¢ Do not swallow. Be aware that old mastic often contains asbestos. Nashua Trusted Tapes â¦ Self-bonding 1/8â³ thick (125mil) electrical grade rubber mastic. Liquid Nails® would be a notable example of the thin-liquid form where it comes in a caulking tube and squeezed out along a wall or joists to hold load-bearing walls and ceilings in place. Both sides have a tacky surface, so tape adheres to itself. ShurMASTIC® butyl foil tape for indoor or outdoor use to seal Class 1 Flex Duct, sheet metal and duct wrap vapor barriers, and is also approved for subgrade application on PVC-coated duct. It is designed for electrical insulating and moisture sealing applications. The butyl component of the tape shall consist of 50% (min.) Scotch 2200 tape has an all-weather-grade PVC facing. Grainger's got your back. Temperature Rating: 194°F and Emergency Overload of 266°F. OMEGA Roofing Tape is a high tack sealant with excellent adhesion to metal, other roofing and other insulating materials. Scotch 2228 consists of an ethylene propylene rubber (EPR) backing coated with an aggressive, temperature-stable mastic adhesive. Learn here with the 3M Cycle Hack Series how cyclists use 3Mâ¢ Scotch® â¦ I have self-amalgamating tape on one bikeâs chainstays and 2228 mastic on the other, both do an OK job but the self-amalgamating tape is thinner and gets torn up over the course of a year or so. Also known as mastic tape, this tape is thicker than other electrical tape to cushion, insulate, and seal out moisture and environmental contaminants in electrical connections.