ISO/TS 16949 ISO 9001

7150 W. Erie St, Chandler, AZ 85226, USA

(855) 289-1874



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Zip-Shield® (3250)

Protective Jacket w/ Pressure track and EMI cloth shielding

The Zip-Shield® (3250) are developed by Zippertubing are advanced cable management product that are easy to install and remove. Our Zip-Shield® products are unique in that they feature an exterior protective jacket that is heat sealed to the pressure track closure with the additional benefits of adding our Z-3250-CN EMI/RFI protection shielding materials to the configuration. These products have been field tested for many years and provide excellent shielding results with an all-in-one solution.

Product Specifications

Shelf Life 60 months
RoHS Compliant

Available Attributes
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Shape of Installation Round
Cable Diameter 0.375" 0.5" 0.625" 0.75" 0.875" 1.0" 1.125" 1.25" 1.375" 1.5" 1.625" 1.75" 1.875" 2.0" 2.125" 2.25" 2.375" 2.5" 2.625" 2.75" 2.875" 3.0" 3.125" 3.25" 3.375" 3.5" 3.625" 3.75" 3.875" 4.0"
Exterior Material 63-10 63-20 PFR-18 PVL-10 VNH-23 DVH-20 DVH-40 NET-30 RPU-17
Shielding Z-3250-CN
Closure R-Track Z-Track Z-Track (PFR)
Material Color Black

Material Specifications


Material Thickness 0.018"
Shelf-Life 60 months
Mil-Spec Mil-C-27072; Mil-C-13777; Mil-I-3930/21
Temperature Range -55° to 107°C (-67° to 224.6°F)
Tensile Strength 4,000 psi.
Flame Retardant UL 94 V-0
Dielectric Strength 900 volts/mil
Dielectric Constant 5.0 - 6.0
Configuration Extruded Material
Fungicide Mil-Std-810, Method 508.3
Elongation 650%
Copper Corrosion Mil-C-27072 & 13777
RoHS Compliant
Abrasion Resistance Best


Coating Nickel Over Copper
Elongation 27%
RoHS Compliant
Material Thickness 0.004"
Tensile Strength 74-79 lbs/in
Surface Resistivity <0.1 ohms/sq
Base Fabric Polyester Taffeta Fabric
Shelf-Life 60 months
Temperature Range -40° to 121°C (-40° to 249.8°F)
Shielding Effectiveness Better

Z-Track (PFR)

Shelf-Life 60 months
RoHS Compliant
Compound Polyurethane
Material Thickness 0.018"
Temperature Range -37° to 90°C (-34.6° to 194°F)
Profile Low
External Closure Features No
Tool Required Yes (Upgraded Plier Tool Available)
Closure Strength Good
Flexibility Best
Bundle Size Small - Medium (Typical Bundle Size: 3/8" - 4.0")
Ideal Application Round jackets <4" in diameter that require a strong and flexible closure.
Shape of Installation Round
Exterior Material Polyether-type Polyurethane
Composition Polyether type, thermoplastic Polyurethane compound (TPU)
Elongation 340%
Used As A Single Extrusion No
Roll Length Up to 200 feet continuous
Z-3250 Shielding Effectiveness

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 suitabilituriy 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. © 2018 The Zippertubing® Company, Chandler, Arizona.