Z-Block® (135)


A hot-melt adhesive tape that blocks and seals wires from water, oils, greases, and most fluids and can handle temperatures up to 275°F (135°C).

Drawing Number(s): ZT11-03-001

Z-Block® (135)

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Selected Part Number:ZT11-03-001-2.0-X300.0


Z-Block® (135)
  • Quick installation with only needing a standard heat gun
  • Environmental sealant for any shape wire or cable
  • Compatible with polyolefin, PVC, and EVA-type heat shrink tubing

Z-Block® (135) is resistant to most fluids, making this hot-melt, heat shrink tape the ideal solution for protecting wires or cables exposed to water, oils, or greases. Z-Block® (135) will create no corrosion of copper and aluminum metal substrates and is RoHS compliant. Z-Block® (135) is an environmental seal that will prevent fluid from damaging or penetrating components and is versatile to be used on various sizes and shapes.

For the consumer marketplace, Z-Block® (135) pairs perfectly with our Shrink-N-Repair® to seal and repair. Z-Block® (135) is also utilized in the wrap-around, military-grade PRT® (ES-135) to create a durable and lasting water-blocking repair. Sealing with Z-Block® (135) creates an impossible barrier for fluids to enter, which extends the lives of your components and ensures ultimate protection.

Z-Block® is available in two different temperature ranges – Z-Block® (100) can be used on applications exposed to temperatures up to 212°F (100°C), and Z-Block® (135) can be exposed to temperatures up to 275°F (135°C).

Z-Block® (135) is available in 2” width and 25 feet spools, with custom widths and lengths available upon request. Z-Block® (135) has an operational temperature range of -67°F to 275°F (-55°C to 135°C).


Overall Performance

  • Closure: Adhesive
  • Material: Polyamide Hot Melt (135)
  • Flame Retardant: No Fire Retardants
  • Heat Shrink Material: Polyamide Hot Melt
  • Material Thickness: 0.008"
  • Material Type: Polyamide Hot Melt Tape
  • Maximum Operating Temperature: 275°F
  • Minimum Operating Temperature: -67°F
  • RoHS: RoHS-10
  • Shelf-Life: 60 months
  • Width: 2.0" Wide

Polyamide Hot Melt (135)

  • REACH: Compliant
  • Elongation: 350%
  • Color: Amber
  • Thickness: 0.008"
  • Maximum Operating Temperature: 275°F
  • Minimum Operating Temperature: -67°F
  • Water Absorption: 0.5% maximum
  • RoHS: RoHS-10
  • Shelf Life: 60 Months
  • Softening Temp: 284°F
  • Softening Temp Variance: +/- 9°F
Specifications subject to change without notice. All statements and technical information contained herein are based on tests we believe to be reliable, but the accuracy or completeness is not guaranteed under all circumstances. Before using Zippertubing® products, the user shall determine suitability for the intended use, and user assumes all responsibility for improper selection. Published attenuation values of Zippertubing® shielding have been verified by laboratory testing of the respective shielding materials. Actual installed attenuation values may differ due to installation techniques and final assembly operation parameters which are beyond the control of Zippertubing®. Actual attenuation values can only be determined by the end user testing the completed assembly. U.S. and International Patents and patents pending. © The Zippertubing® Company, Chandler, Arizona.

Similar products

PRT® Shrink-N-Repair® (M) PRT® (ES-135)
DESCRIPTION A wrap-around heat shrink made from MIL-SPEC tubing that repairs electrical systems and assembled components and is resistant to abrasion and chemicals. A wrap-around, abrasion-resistant, fluid-resistant heat shrink that repairs wires or cables with diameters up to 0.5”. A wrap-around, military-grade heat shrink paired with a high-temperature water blocking, hot-melt adhesive that protects against harsh environmental conditions.
Closure Tape (Specialty Surface) Tape (Specialty Surface) Tape (Specialty Surface)
RoHS RoHS-10 RoHS-10 RoHS-10
Abrasion Resistance Best Best Best
Installation Type Wrap-Around Wrap-Around Wrap-Around
Purpose Wire Repair Wire Repair Water Blocking
Min Temperature Extreme Moderate Extreme
Minimum Operating Temperature -67°F -67°F -67°F
Max Temperature Moderate Low Moderate
Maximum Operating Temperature 275°F 275°F 275°F
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