PVDF High‑Temperature Heat‑Shrink Tube (2:1 Shrink Ratio)

PVDF heat‑shrink tube is manufactured from imported modified polyvinylidene fluoride (PVDF) resin. It is transparent and flame‑retardant, capable of long‑term continuous operation under 175 °C high‑temperature environment. The tubing features excellent wear resistance and cut resistance, and withstands most oils and chemicals.
It is widely used for protection of solder joints, terminals and connection circuits exposed to high temperature, industrial fuels, solvents and chemical reagents.
Key performance parameters: shrink ratio 2:1; full recovery temperature 175℃; working temperature range ‑55℃ ~ 175℃; rated voltage 600V; standard color: transparent.
Compliant with ISO1183, ASTM D2671, UL224 VW‑‑1 testing standards. Standard sizes range from Φ0.8 up to Φ38.1. All listed specifications are mass‑production items with existing tooling. Custom non‑standard sizes are acceptable for bulk orders, please contact our sales representative for details.

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Product Description

>> Product Introduction

PVDF Heat Shrink tube is made of radiation cross-linked specialty fluoropolymer PVDF, it has excellent chemical corrosion and solvent resistance. It is a strong, semi-rigid, thin-walled thermoplastic tube.

Application :

150℃ soft flame-retardant PVDF heat shrink tubing is mainly used in places that require high temperature resistance and friction resistance, and has excellent chemical corrosion resistance and solvent resistance. It protects cables or coated components from mechanical damage or chemical corrosion, and is used for marking and protection of cables or components, insulation and stress relief of connection welding points.

>> Product Advantage

Modified PVDF raw material, long‑term high‑temperature resistance up to 175℃, wide operating range from ‑55℃ to 175℃.
2:1 shrink ratio, good shrinkage performance; rated voltage 600V for reliable electrical insulation.
Outstanding wear‑resistant & cut‑resistant property, resistant to most oils, solvents and industrial chemicals.
Transparent & flame‑retardant VW‑1 grade, allows visual inspection of inner components after shrinking.
Complete size range Φ0.8‑Φ38.1 in stock, custom specifications supported for bulk‑volume orders.

>> Technical Parameters

Performance	Test conditions	Norm
Tensile strength(MPa)	ASTM D 638	≥17.3
Elongation at break (%)	ASTM D 638	≥150
Elongation at break after heat aging (%) 225℃x168h	ASTM D 638	≥100

Volume resistivity(Ω.cm)	ASTM D 876	≥1x1011
Applicable temperature	-55℃～150℃
Dielectric Withstand Voltage and Breakdown	ASTM D 2671	2500V，60s
Shrinkage Temperature	The minimum initial shrinkage temperature is 125℃, the minimum complete shrinkage temperature is 150℃
	Shrinkage operating temperature 125℃～175℃
Longitudinal shrinkage	ASTM D 2671	≤10%
Thermal shock performance 275℃x4h	ASTM D 2671	No cracks
Low temperature flexibility -55℃x4h	ASTM D 2671	No cracks
Corrosive	ASTM D 2671	No corrosion
Flame retardant	UL224	Pass
Standard colors	Black, transparent (other colors can be ordered upon customer request)
Environmental performance	Comply with EU RoHS2.0 standards
Material	PVDF (fluoropolymer)

Specification		Size before shrinkage (mm)	After full shrinkage (mm)		Standard packaging
Inch	mm	Minimum inner diameter D	Maximum inner diameter d	Wall thickness(t)	Meter/Roll
3/64	Φ1.2	≥1.2	≤0.6	0.25±0.05	200
1/16	Φ1.6	≥1.6	≤0.8	0.25±0.05	200
3/32	Φ2.4	≥2.4	≤1.2	0.25±0.05	200
1/8	Φ3.2	≥3.2	≤1.6	0.25±0.05	200
3/16	Φ4.8	≥4.8	≤2.4	0.25±0.05	100
1/4	Φ6.4	≥6.4	≤3.2	0.30±0.08	100
3/8	Φ9.5	≥9.5	≤4.8	0.30±0.08	100
1/2	Φ12.7	≥12.7	≤6.4	0.30±0.08	100
2/3	Φ17	≥16.8	≤8.5	0.36±0.08	50
3/4	Φ19.1	≥19.1	≤9.5	0.43±0.08	50
1	Φ25.4	≥25.4	≤12.7	0.48±0.08	50
1-1/5	Φ30	≥30.5	≤15	0.54±0.08	50
1-1/2	Φ38.1	≥39.5	≤19.1	0.55±0.12	50
2	Φ50.8	≥50.8	≤25.4	0.60±0.12	50