Heat Shrink Tubing Manufacturer Phone:+86 136 9981 2253 jiangx@changzeyuan.com
Shenzhen Changzeyuan Electronics Co., Ltd.
CB-DWT3000 Military-Grade Flexible Dual-Wall Tubing for High-Temperature Harnesses

CB-DWT3000 Military-Grade Flexible Dual-Wall Tubing for High-Temperature Harnesses

All sizes, colours and lengths can be customised. Email us with your requirements.

Military-spec flexible flame-retardant dual-wall heat shrink tubing

Models: H-5(3X)-F / H-5(4X)-F

Properties and applications:
Good sealing and insulation, excellent electrical and physical properties and high flame retardancy. Widely used to insulate and seal wire-harness joints.

Features:

Operating temperature: −55 °C to +125 °C

Minimum shrink temperature: 70 °C

Full recovery temperature: 110 °C

Shrink ratios: 3:1 and 4:1

RoHS compliant
Meets SAE-AMS-DTL-23053/4
Environmental: complies with Sony SS-00259 and RoHS

Technical data

Item Test method Typical value
Tensile strength ASTM D 2671 ≥10.4MPa
Tensile strength after heat ageing at 158 °C, 168 h ASTM D 2671 ≥7.5MPa
Elongation at break ASTM D 2671 ≥400%
Elongation after heat ageing, 158 °C, 168 h ASTM D 2671 ≥150%
Flame retardancy SAE-AMS-DTL-23053/5 Self-extinguishes within 30 s
Heat shock 250 °C, 4 h 250 °C, 4 h No dripping, no cracking
Low-temperature brittleness −55 °C, 1 h ASTM D 2671 No cracking
Dielectric strength AC 2500 V, 60 s ASTM D 2671 No breakdown
Volume resistivity ASTM D 876 Min. 10¹⁴ Ω·cm
Copper corrosion 158 °C, 168 h UL224 Pass
Water absorption ASTM D 570 ≤0.5%
Peel strength to aluminium ASTM D 2671 60N/25mm
Oil resistance 23 °C, 24 h, diesel or lubricating oil ≥7MPa≥300%

Standard sizes (mm / in)

Size As supplied (mm) After recovery (mm) Standard length (m) Length per roll (m)
mm in ID Max ID Nominal wall Nominal adhesive
CZY-5(3X)-F military-spec flexible flame-retardant dual-wall tubingShrink ratio 3:1
CZY-5(3X)-F 3/1 1/8 3 0.6 1.00±0.10 0.5 1.22 200
CZY-5(3X)-F 4.8/1.5 3/16 4.8 1.5 1.00±0.10 0.5 1.22 100
CZY-5(3X)-F 6/2 1/4 6 2 1.00±0.10 0.5 1.22 100
CZY-5(3X)-F 9/3 3/8 9 3 1.40±0.10 0.6 1.22 50
CZY-5(3X)-F 12/4 1/2 12 4 1.80±0.15 0.7 1.22 25
CZY-5(3X)-F 19/6 3/4 19 6 2.25±0.20 0.8 1.22 25
CZY-5(3X)-F 24/8 1 24 8 2.54±0.20 1.0 1.22 25
CZY-5(3X)-F 40/13 11/2 40 13 2.54±.20 1.00 1.22 25
CZY-5(4X)-F military-spec flexible flame-retardant dual-wall tubingShrink ratio 4:1
CZY-5(4X)-F 4/1 3/16 4 1 1.00±0.10 0.5 1.22 100
CZY-5(4X)-F 8/2 5/16 8 2 1.00±0.10 0.5 1.22 50
CZY-5(4X)-F 12/3 1/2 12 3 1.40±0.15 0.6 1.22 25
CZY-5(4X)-F 16/4 5/8 16 4 1.80±.15 0.7 1.22 25
CZY-5(4X)-F 24/6 1 24 6 2.25±0.20 0.8 1.22 25
CZY-5(4X)-F 32/8 11/4 32 8 2.54±0.20 1.0 1.22 25
CZY-5(4X)-F 52/13 2 52 13 2.54±0.20 1.0 1.22 25

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