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3:1 4:1 Mil Spec Heat Shrink Tubing MIL Spec Flexible Heat Shrink Tube Flame Retardant

3:1 Mil Spec Heat Shrink Tubing

4:1 Mil Spec Heat Shrink Tubing

MIL Spec Flexible Heat Shrink Tube

Place of Origin:

shenzhen, Guangdong, China

Brand Name:

XingQi

Certification:

RoHS 2.0

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Product Details

Name:

High‑Performance MIL‑Spec Heat‑Shrink Tubing 135°C 3:1/4：1 Flexible Flame Retardant

Operating Temperature:

-55°C To 135°C

Shrinkage Ratio:

3:1/4：1

Color:

Black, Customized Asequired

Voltage Rating:

600v

Highlight:

3:1 Mil Spec Heat Shrink Tubing

4:1 Mil Spec Heat Shrink Tubing

MIL Spec Flexible Heat Shrink Tube

Payment & Shipping Terms

Packaging Details

carton，Customizable as per your demands.

Delivery Time

3-5work days

Payment Terms

T/T

High‑Performance MIL‑Spec Heat‑Shrink Tubing 135°C 3:1/4:1 Flexible Flame Retardant

Product Introduction

application
Suitable for MIL‑Spec or commercial fields, widely used for wire bundling and dust protection, terminalidentification with components, electrical insulation protection for junction boxes, detachable terminals, and
connectors.
Color
Standard Colors:
Black Non-standard colors: Customized asequired
Shelf Life and Storage
Store at -10°C to 40°C with relative humidity less than 75%, and has an expiration period exceeding five years.

Performance characteristics

Operating Temperature: -55°C to 135°C	Voltage Rating: 600V
UV Resistance (Black)	Flame Retardant WW-1
Soft	Shrinkage ratio 2:1
Minimum complete shrinkage temperature:105°C	Safety certification: UL 224 E204071
Compliant with SAE-AMS-DTL 23053/5	RoHS Certification
Class 1 (colored); Class 2 (transparent)	RoHS Certification

Product Parameters

Performance Item	Test Method	Specification Requirement
Tensile strength (MPa)	ASTM D 2671	≥10.4
Elongation at Break (%)	ASTM D 2671	≥200％
Thermal Aging (175°C / 168 Hours)Elongation at Break	UL 224	100％(Min)
Thermal Aging (175°C / 168 Hours)Tensile strength	UL 224	Retained 70%
Thermal Shock (250°C / 4 h)	UL 224	No cracking, no dripping
Flame Retardancy	UL 224	vw-1
Volume Resistivity	UL 224	10¹⁴Ω(Min)
Cold Bend	ASTM D 2671	No cracking

Product Dimensions

Inch	Available Sizes (mm)	Dimensions After Shrinkage(mm)
Inch	D*(Min)	d*(Max)	w*(Min)
3X
1/16	1.6	0.5	0.45
1/8	3.2	1.1	0.50
3/16	4.8	1.6	0.60
1/4	6.4	2.1	0.65
3/8	9.5	3.2	0.75
1/2	12.7	4.2	0.80
3/4	19.1	6.4	0.90
1	25.4	8.5	1.20
11/2	39.0	13.0	1.25
4X
3/4	19.1	4.8	1.8
1	25.4	7.0	1.8
11/2	38.1	9.5	1.8
2	50.8	14.0	1.8
3	76.2	21.3	1.8
4	101.6	26.7	1.9
41/2	114.3	36.8	1.9