4: 1 Double Wall Adhesive Heat Shrink Tube Zh Trademarked Product Heat Shrink Tube

• Customization: Available
• Certification: RoHS
• Color: Black,Red,Yellow,Blue,etc
• Model NO.: 4: 1 Heat Shrink Tube
• Usage: Optical Cable, Cable Protection
• Material: Halogen-Free Polyolefin Hydrocarbon
• Type: Adhesive Heat Shrink Tube
• Selling Units: Single Item
• Transport Package: Paper Tray + Carton
• Trademark: ZH
• Origin: China
• HS Code: 3917330000
• Production Capacity: 5000000meter/Month

Product Description

Double Wall Heat Shrink Tube

Experience the unparalleled protection and versatility of our Double-wall Heat Shrink Tubing! Crafted from a sophisticated co-extrusion of soft polyolefin and hot melt adhesive, this tubing is designed to meet all your insulation and sealing needs. The outer layer boasts an insulating, halogen-free, flame-retardant polyolefin, while the inner adhesive layer excels in buffering mechanical strains with unmatched sealing strength. Perfectly suited for the insulation protection of wires, cables, and connectors that require a watertight, moisture-resistant seal, this tubing is indispensable across industries such as electronics, automotive, and communications.

Product Features
*Shrinkage ratio: 3:1 or 4:1 for tailored versatility in every application.
*Premium hot melt adhesive and high shrinkage ratio ensure an extraordinary seal.
*Perfect sealing and insulation for all your electronic connection needs.
*Effortlessly restore damaged insulation without disconnecting components.
*Reliable performance in extreme conditions with a temperature range of -55ºC ~ 125ºC.
*Begin your shrinkage process efficiently at a starting temperature of 80ºC.
*Achieve full shrinkage at the precise temperature of 110ºC for a perfect fit.

Item	Index requirements	Test Method	Typical Value
Longitudinal shrinkage (200±5ºC 3minute)	±10%	ASTM D 2671	±7%
Eccentricity	≤35%	ASTM D 2671	15%
Tensile Strength	≥9.0MPa	ASTM D 638	10 MPa
Elongation at break	≥250%	ASTM D 638	500%
Elongation at break after aging (Heat aging 158ºC,168hours)	≥100%	ASTM D 638	300%
Thermal shock (4hours,200±5ºC)	No cracks, no flow, no dripping on the outer layer	ASTM D 2671	pass
Low temperature flexibility (-55ºC,4hours)	No cracks	ASTM D 2671	pass
Dielectric Withstand Voltage and Breakdown	2500V,60sec,No breakdown	ASTM D 2671	pass
Volume resistivity	≥10^12Ω·cm.	ASTM D 876	10^14Ω·cm
Copper corrosion  (16 hours,121±2ºC	No corrosion	ASTM D 2671	pass
Copper stability(158ºC,168hours)	Elongation≥100%	ASTM D 2671	pass
Flame retardant properties	Vertical combustion-V0,Horizontal burning-HB	AMS-DTL-23053/5	pass

 

 

Specification		Before Shrink(mm)		After Shrink(mm)
		Inner Diameter D	Wall Thickness T	Inner Diameter d(max)	Wall Thickness t1+t2
3:1	Φ1.6	2.20±0.20	0.30±0.10	0.70	0.60±0.15
	Φ2.4	3.00±0.20	0.35±0.10	0.80	0.70± 0.15
	Φ3.2	4.00±0.20	0.40±0.10	1.05	1.00±0.15
	Φ4.8	5.50±0.30	0.45±0.10	1.60	1.10±0.15
	Φ6.4	7.30±0.30	0.50±0.10	2.10	1.25±0.15
	Φ7.9	8.30±0.30	0.55±0.15	2.70	1.30±0.20
	Φ9.5	10.4±0.40	0.55±0.15	3.10	1.35±0.20
	Φ12.7	13.5±0.50	0.60±0.15	4.20	1.60±0.20
	Φ15.4	16.5±0.50	0.65±0.18	5.10	1.75±0.25
	Φ19.1	20.5±0.50	0.70±0.18	6.30	1.85±0.25
	Φ25.4	26.5±0.50	0.75±0.18	8.40	2.05±0.25
	Φ30	32.0±1.00	0.75±0.18	10.0	2.10±0.25
	Φ39	41.0±1.00	0.85±0.20	13.0	2.55±0.30
	Φ50.8	53.0±1.00	0.85±0.20	17.2	2.75±0.30
	Φ64	67.0±2.00	0.90±0.20	21.3	2.80±0.30
4:1	4/1	4.30±0.20	0.40±0.10	1.00	1.10±0.15
	6/1.5	6.40±0.20	0.45±0.10	1.50	1.30±0.15
	8/2	8.30±0.30	0.50±0.15	2.00	1.35±0.20
	12/3	13.3±0.30	0.55±0.15	3.00	1.75±0.20
	16/4	16.4±0.40	0.60±0.15	4.00	1.85±0.20
	20/5	20.5±0.50	0.65±0.20	5.00	2.10±0.30
	24/6	26.0±0.50	0.65±0.20	6.00	2.20±0.30
	32/8	32.8±1.00	0.75±0.20	8.00	2.60±0.30
	40/10	41.0±1.00	0.80±0.20	10.0	2.80±0.30
	52/13	53.0±1.00	0.80±0.20	13.0	2.90±0.30
	60/15	62.0±2.00	0.90±0.20	15.0	3.30±0.30

Company Profile

 

 

Factory Profile.

Founded in 2010, Dongguan Zhonghe Electronics Co., Ltd. has rapidly emerged as a beacon of innovation and expertise in the high-tech manufacturing sector. Specializing in the research, development, and production of premium Cable Sleeves, we pride ourselves in delivering unparalleled protection solutions. Our headquarters, nestled in Qingxi Town of Dongguan City, anchors our operations. In 2020, we expanded our horizons by establishing Suzhou Zhonghe New Energy Technology Co., LTD in Jiangsu. We offer a comprehensive product range, including Corrugated Pipes, Braided Sleeves, Self-rolling Sleeves, Heat Shrink Tubes, Cold Shrink Tubes, Fiber Tubes, and a plethora of accessories.
With a legacy of serving over 3000 brands, our products have achieved global recognition, reaching 102 countries. Every year, we produce 60 million meters of Cable Sleeves, seamlessly integrated into a variety of automotive OEMs and Wiring manufacturers. Our distinguished clientele includes prestigious names like BYD, Yutong Bus, AVIC, and numerous other renowned domestic and international enterprises, as well as publicly traded companies.

 

 

Exhibition

 

 

FAQ

01 : Why choose us?

A:1.We have more than 15 years of experience in this industry!
2.Research and development capacity- We have one of technical team who can develop and design the product according to the requirements of customers!
3.We have a professional sales team to provide excellent service for you!

02 : What's the MOQ for your production?
A: We accept both large and small order, please contact us for details.

03: Can l expect to get the sample?
How long can l expect to get it?
A: Sure, Free samples can sent to you for test. About 4-6 days.
Shipment according to distance and courier company.
04 : Can you do the design for us?
A: Yes, We are a professional manufacturer who can design for you.

05 : What's your payment term?
A: 30% T/T Deposit +Balance before Shipment.

06 : What's the list of certificates you hold?
A:IATF16949, RoHS, CE, EN45545 Test Report, ELV Test report.