Hook-N-Shield® (VNH) Rugged EMI Shielded Cable Bundling

A wrap-around EMI shielding solution pairing a military-grade jacket with shielding mesh and a Velcro-style hook-and-loop closure.

Drawing Number(s): ZT12-13-004

Hook-N-Shield® (VNH) Rugged EMI Shielded Cable Bundling
RoHS Military Grade

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Selected Part Number:ZT12-13-004-0.5-B-B
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WARNING: Cancer and Reproductive Harm | www.P65Warnings.ca.gov
Hook-N-Shield (VNH) Infographic
  • VNH-23 jacketing offers rugged component protection
  • SHX-4 shielding mesh provides good EMI protection
  • Velcro-style hook-and-loop closure for quick installation

Hook-N-Shield® (VNH) combines durable jacketing with shielding mesh for component and EMI/RFI shielding protection. The outer jacketing, made from VNH-23 material, is flexible, PVC coated, military grade and flame retardant—ideal for applications in rugged environmental conditions. The inner jacketing has SHX-4 material for highly flexible EMI shielding. 

Hook-N-Shield® (VNH) has a Velcro-style hook-and-loop closure for an easy, no-tools-required installation. This closure type also allows accessibility to the components inside when needed. There is an optional sewn-in braided ground wire for applications with such requirements. The operational temperature range of Hook-N-Shield® (VNH) is -65°F to 171°F (-54°C to 77°C).

Q:  What lengths of hook & loop jacketing are available?

A:  Our hook & loop closed sleeves can be ordered in lengths as short as a few inches to lengths of 100 feet or more.  When quoting or ordering, make sure to clearly state the length of each sleeve in inches, which is typically referenced at the end of the part number (-X120.0 for example).

Q:  What diameter of jacketing do I need?  Is it recommended to oversize?

A:  We will often suggest oversizing the sleeve diameter by 1/8” to allow for ease of installation.  If the application requires significant bending or flexing we will suggest even more extra room.  For assistance with sizing you can also contact one of our design engineers.

Q:  Can I cut the Jacketing?

A:  Yes*.  *We recommend ordering hook & loop closed
jacketing to the exact length required, but you absolutely can trim down a spool of Hook-N-Shield jacketing using standard scissors.   When cutting lengths of Hook-N-Shield jacketing, keep in mind the newly trimmed edges will not have the back-stitching found on the factory edges and the stitching may come loose over time. For more details on cutting or size recommendations please contact one of our design engineers.  

Q:  What is the minimum bend radius of the tubing?

A:  There is no minimum bend radius for our Hook-N-Shield products. The flexible jacketing material allows for extreme amounts of bending and flexing. The bend radius of the installed tubing is typically dictated by the harness it is covering.

Q:  What is the difference between Hook & Loop and Velcro?

A:  “Hook & Loop” refers to the family of closures that utilize small loops of fiber and tiny hooks to interlock and hold material together. Velcro is the name of the company that originally created the hook-and-loop fastening system.  Here at ZT we use Velcro brand fasteners as well as fasteners from other brands. 

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Overall Performance

  • Diameter: 0.5" (1/2)
  • Closure: Hook-and-Loop (Nylon)
  • Material: VNH-23
  • Hook and Loop: 5/8" Hook and Loop (Nylon)
  • Maximum Operating Temperature: 171°F
  • Minimum Operating Temperature: -65°F
  • RoHS: RoHS-6
  • Shelf-Life: 36 Months
  • Shielding: SHX-4 (SnCuFe)
  • Shielding Material: Tin-Plated Copper

VNH-23

  • Mil-Spec: Mil-C-20696 / Mil-PRF-20696, Type II, Class 2
  • Durability: Better
  • REACH: Compliant
  • Flame Retardant: FED-STD-191 Method 5903
  • Thickness: 0.023"
  • Maximum Operating Temperature: 171°F
  • Minimum Operating Temperature: -65°F
  • RoHS: RoHS-10
  • Shelf Life: 36 Months
  • Tensile Strength: 225 Warp; 225 Fill

Hook-and-Loop (Nylon)

    SHX-4 (SnCuFe)

      Nylon Thread

        15 AWG Braided Ground Straps

          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.
          Shrink-N-Shield® (2:1) EMI Shielded Heat Shrink Tubing  Flex-Shield (HP) Braided EMI Shielding Sleeve  
          NAME SHRINK-N-SHIELD® (2:1) EMI SHIELDED HEAT SHRINK TUBING  FLEX-SHIELD (HP) BRAIDED EMI SHIELDING SLEEVE  
          DESCRIPTION Shrink-N-Shield® (2:1) is a MIL-SPEC, heat-shrink tubing with a 2:1 shrink ratio that provides exceptional shielding from EMI, RFI and EMF.  A braided, expandable EMI, RFI and EMF shielding sleeve that is lightweight and flexible—an ideal solution for the aerospace industry.  
          Closure    
          RoHS RoHS-10  RoHS-10  
          Abrasion Resistance Best    
          Installation Type Pull-Through  Pull-Through  
          Purpose EMI Shielding  Sleeve  
          Min Temperature Extreme  Moderate  
          Minimum Operating Temperature -40°F  -40°F  
          Max Temperature Moderate  Moderate  
          Maximum Operating Temperature 275°F  302°F  
          Flexibility    
          View    

          Hook-N-Shield® (VNH) Rugged EMI Shielded Cable Bundling

          A wrap-around EMI shielding solution pairing a military-grade jacket with shielding mesh and a Velcro-style hook-and-loop closure.

          Drawing Number(s): ZT12-13-004

          Selected Part Number: ZT12-13-004-0.5-B-B

        • VNH-23 jacketing offers rugged component protection
        • SHX-4 shielding mesh provides good EMI protection
        • Velcro-style hook-and-loop closure for quick installation
        • Features

        • VNH-23 jacketing provides better flexibility and better abrasion resistance
        • Hook-and-loop closure requires no tools for installation
        • Operational temperature range of -65°F to 171°F (-54°C to 77°C)
        • Benefits

        • Wrap-around solution requires no disassembly or disconnection of components
        • Flame-retardant, waterproof VNH-23 jacketing for use in rugged environments
        • SHX-4 (SnCuFe) shielding mesh can withstand harsh conditions
        • Hook-N-Shield® (VNH) Rugged EMI Shielded Cable Bundling

          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.

          SHIELDING EFFECTIVENESS - SHX-4 (SnCuFe)

          ATTENUATION DATA WAS OBTAINED USING MIL-DTL-83528H (MODIFIED). TESTING WAS PERFORMED BY ACCREDITED, THIRD-PARTY EMI LABORATORIES.

          Hook-N-Shield® (VNH) Rugged EMI Shielded Cable Bundling

          MATERIAL SPECIFICATIONS

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