Zipper-Mesh™ (ALHTG-65)

An all-in-one, wrap-around solution combining the heat shielding of the ALHTG-65 with the EMI shielding of the knitted SHX-4 mesh and a brass zipper.

Drawing Number(s): ZT11-07-008

Zipper-Mesh™ (ALHTG-65)

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Selected Part Number:ZT11-07-008-05
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Zipper-Mesh™ (ALHTG-65)
  • Jacketing that protects from moderately high temperatures up to 400°F
  • EMI shielding mesh is durable and will last through rugged conditions
  • Brass zipper closure allows for quick and easy installation without additional tools

Zipper-Mesh™ (ALHTG-65) is the all-inclusive solution for applications exposed to heat and EMI. Pairing the ALHTG-65 jacketing that protects from moderately high temperatures with the shielding effectiveness of the SHX-4 SnCuFe mesh creates a product that solves two component challenges in one.

The ALHTG-65 thermal jacketing is a woven fiberglass coated with an aluminum/PET film on one side and bonded using a silicone adhesive. The fiberglass is also treated with SiO2 for superior heat reflection. The jacketing perimeter is sealed utilizing the ALS-5 thermal material to finish off the edges with a clean appearance, as well as to protect the installer from excessive fibers becoming loose from the ALHTG material.

The SHX-4 SnCuFe shielding mesh provides good shielding from EMI, RFI, and EMF. The mesh is a 4-ply knitted tin-plated, copper clad, steel wire. The SHX-4 is sewn to the ALHTG jacketing using a strong, durable stainless-steel Kevlar thread, which ensures a lasting connection between materials. The shielding mesh also has a 15 AWG ground braid sewn in using a white Nylon thread and is equipped with a vinyl-insulated wire terminal.

The brass zipper allows for quick, on-the-job installation with no disconnection required. Simply wrap Zipper-Mesh™ (ALHTG-65) around the components, and zip closed; re-entering to wires or cables is just as easy.

Zipper-Mesh™ (ALHTG-65) is offered for 2.5” and 3.5” diameters, with custom shapes and sizes available upon request. The operational temperature range of -32°F to 400°F (-36°C to 204°C).



Overall Performance

  • Diameter: 2.5" (2 1/2)
  • Closure: Toothed Zipper (High-Temp Brass)
  • Material: ALHTG-65
  • Maximum Operating Temperature: 399°F
  • Minimum Operating Temperature: -32°F
  • Shielding: SHX-4 (SnCuFe)
  • Shielding Material: Mesh


  • REACH: Compliant
  • Flame Retardant: FED-STD-191 Method 5903
  • Thickness: 0.065"
  • Thickness Variance: +/- 0.002"
  • Maximum Operating Temperature: 1202°F
  • Minimum Operating Temperature: -32°F
  • RoHS: RoHS-10
  • Shelf Life: 60 Months
  • Tear Strength: 627 lbs/in. (warp) / 571 (fill)
  • Tensile Strength: 10.16/in. (warp) / 8.64/cm (fill)

Toothed Zipper (High-Temp Brass)

  • Break Strength: 50-90 lbs. l/in (varies with size)
  • REACH: Compliant
  • Stops: Metal
  • Tooth: Metallic Brass tooth
  • Slider: Single, Brass, Locking
  • Tape: 5mm
  • Material: Fixed (w/Pin & Box & Stops)
  • Maximum Operating Temperature: 500°F
  • RoHS: RoHS-10
  • Tooth Size: 5mm

SHX-4 (SnCuFe)

  • Mil-Spec: ASTM B-452, Grade 40HS; ASTM B-520, Class T40HS
  • Surface Resistivity: 1.159 MIN, 1.225 MAX @68 F (ohm/ft)
  • Chemical Resistance: Good
  • Material: Mesh
  • Thickness: 0.030"
  • Material: Single knitted tube, flattened
  • Maximum Operating Temperature: 400°F
  • Minimum Operating Temperature: -148°F
  • RoHS: RoHS-10
  • Shelf Life: 60 Months
  • Shielding: SHX-4 (SnCuFe)
  • Tensile Strength: 110,000 psi

Stainless Steel Reinforced Kevlar Thread

  • Closure: Sewn
  • Material: Stainless Steel Reinforced Kevlar Thread
  • Thickness: 0.011"
  • Material: Silicon Lubricated Kevlar w/Z Twist Direction
  • Maximum Operating Temperature: 1650°F
  • Minimum Operating Temperature: -240°F
  • Tensile Strength: 20.5 lbs min.

15 AWG Braided Ground Straps

  • Circular Mil Area: 3,000
  • Global Gauge: 15 AWG
  • Construction: 24 Carrier / 120 Ends
  • Current Capacity: 25 AMPS
  • REACH: Compliant
  • Thickness: 0.020"
  • Thickness Variance: +/- 0.002"
  • RoHS: RoHS-10
  • Width: 0.188" +/- 10%
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.

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