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Silver 3M 433L foil tape roll with liner, 1 in wide

3M

3M 433L Foil Tape 1 in x 5 yd Silver

SKU CH-F257-YNNZC

Aluminum foil tape rated from -65 to 600 degrees Fahrenheit for indoor and outdoor sealing tasks

  • Product colorSilver
  • Withstands extreme heat up to 600 Degrees F for demanding environments
  • Remains flexible in severe cold down to -65 Degrees F
  • Aluminum foil construction delivers reliable conductivity and shielding
  • Suitable for indoor and outdoor use across multiple industries
  • Continuous roll format allows custom lengths for any repair

Product identity

3M 433L foil tape is a silver aluminium roll measuring one inch wide by five yards long. It is designed for indoor and outdoor sealing tasks across automotive, aviation, construction, electronics and general maintenance environments. The tape operates reliably from minus sixty-five up to six hundred degrees Fahrenheit. Professionals who need a continuous roll for high-temperature ductwork or assembly will find it suitable.

Thermal performance

The tape maintains adhesion and structural integrity across a temperature span of minus sixty-five to six hundred degrees Fahrenheit. This wide range allows use on hot exhaust components as well as cold-storage ducting without degradation. No power draw or noise is generated because the product is a passive sealing material. The aluminium foil construction resists heat transfer while remaining flexible during temperature cycling.

Critical specification

The decisive figure is the six hundred degree Fahrenheit maximum performance temperature. Buyers whose applications exceed this limit must select a different sealing solution. The tape width of one inch and roll length of five yards define the coverage per roll; projects requiring wider strips or longer continuous runs will need multiple rolls or an alternative product.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 63% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand name3M
Product colorSilver

Questions about this item

How do I apply the 3M 433L foil tape and what step is often missed?

Clean the surface thoroughly, then remove the liner before pressing the aluminum foil side firmly onto the area; the liner removal is the step most often forgotten.

Will the 3M 433L tape need replacement due to temperature cycling between -65 and 600 degrees F?

The tape is rated for continuous performance across that full range, so it does not require scheduled replacement solely from thermal cycling.

At what temperature does the 3M 433L tape reach its maximum performance limit of 600 degrees F?

The 600 degrees F rating is the upper limit of its tested performance range; sustained exposure at or above this point is where degradation would appear first.

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