Shrink-N-Shield (3:1) heat shrink tubing with EMI Shielding

Shrink-N-Shield® (3:1) Shielding Options

Shrink-N-Shield (3:1) Shrinkable Tubing with EMI Shielding

Shrink-N-Shield (3:1) Wire Harness Protection with EMI Shielding

Shrink-N-Shield (3:1) Heat Shrink Technology with EMI Shielding

Shrink-N-Shield (3:1) Introduction Video

Shrink-N-Shield® (3:1) EMI Shielded Heat Shrink Tubing

Name: Shrink-N-Shield® (3:1) EMI Shielded Heat Shrink Tubing
Brand: Zippertubing
SKU: ZT01-18-001-0.25-B-X48.0
Availability: InStock

A heat-shrink tubing that provides exceptional shielding from EMI, RFI and EMF.

Drawing Number(s): ZT01-18-001, ZT18-18-001, ZT16-18-003

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Overview

Shrink-N-Shield® (3:1) is an EMI shielding heat-shrink tubing that has a 3:1 shrink ratio and can be cut to length. The flexible, flame-retardant and self-extinguishing polyolefin sleeve can withstand temperatures up to 275°F (135°C). Additionally, the jacketing has excellent abrasion, chemical, fluid and fungus resistance.

There are two standard shielding cloths available for Shrink-N-Shield® (3:1): Z-3250 and Z-7200. However, other EMI-shielding cloths are available upon request.

The Z-3250 shielding cloth is made of a taffeta fabric that is plated with copper and then nickel for excellent corrosion protection. The lightweight, flexible shielding cloth will not flake or deteriorate over time, so you can be confident your components will have long-lasting protection against EMI, RFI, and EMF.

The Z-7200 shielding cloth is made of a copper-plated nylon ripstop fabric and a proprietary corrosion and fray-resistant coating. The halogen-free, nickel-free, and hypoallergenic cloth is ideal for applications that have such requirements. The 7200 cloth is the perfect choice for applications dealing with sensitive magnetic instrumentation.

Shrink-N-Shield® (3:1) is offered in diameters from 0.375” to 2” with custom sizes available upon request, and has an operational temperature range of -67°F to 275°F (-55°C to 135°C).

If you require a 2:1 or 4:1 shrink ratio, Zippertubing® offers Shrink-N-Shield® (2:1) and Shrink-N-Shield® (4:1), and if you have components with diameters as small as 0.015”, Shrink-N-Shield® (Nano) is also available for your EMI shielding heat-shrink needs.

If your application is more suited to a wrap-around heat-shrink tubing for ease of installation, PRT® (S-3250) and PRT® (S-7200) are the solutions. Both standard products offer EMI shielding and can easily wrap around your wires or cables, rather than having to pull them through. If required, other EMI-shielding fabrics are available for PRT® upon request.

*Class III polyolefin heat-shrink tubing is available upon request.

Installation Instructions

FREQUENTLY ASKED QUESTIONS

Q: What lengths of Shrink-N-Shield
are available?

A: Shrink-N-Shield is typically provided in the industry standard 4 ft. long “sticks” of tubing. However, Zippertubing can provide pre-cut pieces of this material if required.

Q: My harness is longer than 4 feet, can I still use this product?

A: Sections of Shrink-N-Shield can be spliced together to create a longer EMI shield. Reference our installation
guide for instructions on how to do this, or speak with one of our design engineers for recommendations on covering longer cables.

Q: What do the 2:1, 3:1, 4:1 variations mean?

A: These shrink ratios refer to how much the material will change in size when heat is applied. To learn more, please refer to this article: Understanding Shrink Ratios of Heat Shrinkable Tubing.

Q: What diameter of tubing do I need?

A: Shrink-N-Shield products are identified by their starting diameter, before recovery or shrinking. It is recommended to choose a size that will result in a diameter equal to, or slightly smaller than, the cable it is covering to achieve a snug fit. For assistance with sizing, you can also contact one of our design engineers.

Q: How should I ground or terminate the ends of this tubing?

A: There are many different ways to terminate and ground Shrink-N-Shield. The Shrink-N-Shield installation guide outlines the three most common ways to ground the EMI shield including a wrapped drain wire, bonded grounding lead, and connector termination.

Q: My installed tubing has small wrinkles and ridges in it, is this normal?

A: Yes. As the tubing shrinks, the EMI shield material may gather more in certain areas than others. This is normal and does not affect the shielding performance of the tubing. If these cosmetic imperfections are an issue we recommend trying a smaller size of tubing.

Specifications

Overall Performance

Diameter - Before Shrink: 0.5" (1/2)
Material: Polyolefin
Heat Shrink Material: Cross-Linked Polyolefin
Maximum Operating Temperature: 275°F
Minimum Operating Temperature: -67°F
RoHS: RoHS-10
Shelf-Life: 60 months
Shield Bonding: Nitrile Adhesive
Shielding: Z-3250
Shielding Material: Nickel Plated Copper
Shrink Ratio: 3:1

Polyolefin

Mil-Spec: SAE-AMS-DTL-23053/5
REACH: Compliant
Dielectric Strength: 500 volt/mil
Elongation: 200% (after shrink)
Flammability: UL224, VW-1, Self-extinguishing
Fungicide: No Growth
Longitudinal Shrinkage: +/-5% (after heat recovery)
Material: Cross-linked Polyolefin
Thickness: 0.035" - 0.055"
Maximum Operating Temperature: 275°F
Minimum Operating Temperature: -67°F
RoHS: RoHS-10
Shelf Life: 60 Months
Shrink Ratio: 2:1, 3:1 or 4:1
Tensile Strength: 1500 psi. (after shrink)
Specific Gravity: 1.35
Outgasssing (%TML): Min 0.2 | Max 0.93%
Outgassing (%CVCM): Min 0.02 | Max 0.13%
Outgassing (%WVR): Min 0.01 | Max 0.16%

Z-3250

Z-7200

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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NAME	SHRINK-N-SHIELD® (2:1) EMI SHIELDED HEAT SHRINK TUBING	PRT® (1553-135) WATER-BLOCKING WRAP-AROUND HEAT SHRINK	SHRINK-N-SHIELD® (NANO) EMI SHIELDED HEAT SHRINK TUBING
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 wrap-around, MIL-SPEC heat shrink paired with a high-temperature, water-blocking adhesive that comes equipped with the Z-3250-Tape™ for shielding against EMI.	A 1/8" (0.125") diameter (before shrink) EMI shielding heat shrink that is engineered for wires as small as 0.031" in diameter.
Closure		Tape (Specialty Surface)
RoHS	RoHS-10	RoHS-10	RoHS-10
Abrasion Resistance	Best	Best	Best
Installation Type	Pull-Through	Wrap-Around	Pull-Through
Purpose	EMI Shielding	Water Blocking	Small Diameters
Min Temperature	Extreme	Extreme	Extreme
Minimum Operating Temperature	-67°F	-67°F	-67°F
Max Temperature	Moderate	Moderate	Moderate
Maximum Operating Temperature	275°F	275°F	275°F
Flexibility
	View	View	View