Product

Ordinary Heat Shrinkable Tube

Double Wall Heat Shrinkable Tube

High Temperature Heat Shrinkable Tube

Heat Shrinkable Marking Tube

Medium/Thick Wall Heat Shrinkable Tube

High Pressure Heat Shrinkable Tube

Anti-Slip Pattern Heat Shrinkable Tube

Teflon Tube/Silicone Tube

Bellows

Molded Heat Shrinkable Parts

Molded Special-Shaped Protective Box

Insulation Sealing Protective Tape

Product Model Comparison Table

Semi-rigid flame-retardant double-wall heat shrinkable tube YEVA-BK

Working temperature: -45℃~+125℃

Full shrinkage temperature: 135℃

Shrinkage ratio: 5:1

Environmental standards: RoHS

Standard color: black, transparent (non-flame retardant)

product description:

Semi-rigid flame-retardant double-wall heat-shrinkable tube is made of polyolefin and polyamide hot melt adhesive melted and co-extruded. The outer layer is semi-hard polyolefin, which has high hardness, wear resistance and strength, high shrinkage ratio, good adhesion and sealing performance of the inner layer, and is widely used in automobile wiring harness, wire and cable branch, metal pipeline, wire and cable repair , Submersible pump wiring and other occasions requiring insulation and sealing.

Features:

Working temperature: -45℃~+125℃

Full shrinkage temperature: 135℃

Shrinkage ratio: 5:1

Environmental standards: RoHS

Standard color: black, transparent (non-flame retardant)


Specification

Supply inner diameter

( mm)

Size after fully contracted (mm)standard packaging

(M/root)

the inside diameter ofTotal wall thicknessAdhesive layer thickness
YEVA-BK-6.0 / 1.27≥6.0≤1.271.30±0.150.50±0.101.22
YEVA-BK-8.0 / 1.65≥8.0≤1.651.52±0.150.70±0.101.22
YEVA-BK-12.0 / 2.41≥12.0≤2.411.91±0.150.90±0.101.22
YEVA-BK-18.0 / 4.45≥18.0≤4.452.41±0.151.20±0.101.22


ProjectTest MethodsTypical data
Outer technical indicators
Tensile StrengthASTM D 2671≥13MPa
Elongation at breakASTM D 2671≥300%
Tensile strength after heat aging elongation at break (158℃,168h)ASTM D 2671≥8.4MPa
≥100%
Longitudinal shrinkageUL 224-5%~+5%
Breakdown strengthIEC60243≥15KV/mm
Thermal shock (250℃, 4h)ASTM D 2671No cracks, no drips
Flame retardantSAE-AMS-DTL-23053/5Self-extinguishing within 30 seconds
Cold bending flexibility (-45℃, 4h)ASTM D 2671No cracks
Volume resistivityASTM D 876≥10^14Ω.cm
Technical index of inner layer hot melt adhesive
Hot melt adhesive softening pointASTM E28110±5℃
Peel strength (PE)ASTM D 1000≥120N/25mm
Peel strength <AI)ASTM D 1000≥80N/25mm


Industry Application