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This versatile, trimmable, end-lap sealing tape joins metal to metal, and seals around windows, doors, roof vents, stacks, access doors and other penetration points. Non-staining and permanently flexible, Mastix stays in place with no melting or oozing, even in extreme heat.
Features
  • Trimmable joint and end lap sealing tape
  • Non-staining, permanently flexible
  • Seals around windows, doors, roof vents, and more
  • Roll won’t telescope from heat before installation
  • Keeps even hot metal roofing panels in place— no melting or oozing
  • Made in the USA

1 - 1 of 1 Part Numbers
MMT
MMT
1 - 1 of 1 Part Numbers

Specifications

3/32” × 3/8” × 45'

  • 16 rolls/carton
  • 30 carton/pallet

3/32” × 1/2” × 45'

  • 30 carton/pallet
  • 16 rolls/carton

3/32” × 3/4” × 45'

  • 30 carton/pallet
  • 16 rolls/carton

3/32” × 1” × 45'

  • 30 carton/pallet
  • 12 rolls/carton

Chemical Name

  • Isobutylene

Chemical Family

  • Butyl Mixture

Health Hazard

  • 0-Minimal

Flammability Hazard

  • 0-Minimal

Reactivity Hazard

  • 0-Minimal

Volatile (WL)%

  • 0

Solubility in Water

  • Insoluble

Specific Gravity (H20=1)

  • 1.59 - 1.64

Evaporation Rate

  • Not Applicable

Appearance

  • Soft, pliable gum

Color

  • Q-126-10 (off-white to gray)
  • Q126BB (Black)
  • Q-126 (off-white to gray)

Odor

  • None

Flash Point

  • > 400° F (204° C)

Method

  • Pensky Marten Closed Cup

Extinguising Media

  • Water
  • Foam
  • Carbon Dioxide
  • Dry Chemical

Special Fire-Fighting Procedures

  • Large quantities of water will extinguish. Do not enter confined Space without proper Protective Equipment

Hazardous Combustion Products

  • Carbon Dioxide
  • Carbon Monoxide

Hazardous Identification

  • Based on data available to Marco Industries, none of the components in this product are considered hazardous according to OSHA Hazard communication Standard 29CFR 1910,1200.
  • The composition of this mixture is proprietary information. in the event of a medical emergency, compositional information will be provided to a physician or nurse.

Documentation

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