Dual Wall Adhesive-Lined Polyolefin Tubing

Model: SDC7
Heat Shrink Ratio Semirigid Polyolefin Tubing

SDC7 dual-wall adhesive-lined heat shrinkable tubing is made by co-extrusion of excellent semi-rigid polyolefin compound and special polyamide hot-melt adhesive. It is specially designed for environmental sealing and electrical insulation of wire splices, terminations, and components for automotive industry and commercial industry.

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FEATURES


• Shrink ratio : 4:1
• Excellent mechanical, chemical and electrical properties
• Thick adhesive liner to provide excellent environmental sealing and protection for automotive wire
• A few sizes to cover a wide range of splice and component diameters
• RoHS and REACH compliant
• Special polyamide hot-melt adhesive

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TYPICAL APPLICATIONS


Material data: Polyolefin

  • Operating temperature: -40˚C ~ 135˚C
  • Minimum shrink temperature: 110˚C
  • Minimum fully recovery temperature: 150˚C
     
Standard color: Black (Other colors are available upon request)

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TECHNICAL DATA


Property
Requirements
Test method
Test result
Longitudinal shrinkage
≤10%
ASTM D 2671
≤5%
Tensile strength
≥10.4 MPa
ASTM D 2671
≥14 MPa
Elongation at break
200% min
ASTM D 2671
≥400%
Tensile strength after ageing
(158℃,168hrs)
≥7.3 MPa
ASTM D 2671
≥13 MPa
100% min
ASTM D 2671
≥300%
Heat shock (200℃,4hrs)
No crack
ASTM D 2671
No crack
Low-temperature flexibility (-55℃,4hrs)
No crack
ASTM D 2671
No crack
Dielectric voltage withstand
2500V, 60sec, no breakdown
ASTM D 2671
No breakdown
Volume resistivity
≥1012 Ω·cm
ASTM D 876
≥1014 Ω·cm
Flammability
Self-extinguishing
UL 224Pass

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DIMENSIONS




Part no.Size(mm)As supplied(mm)After recovered(mm)Package
(m/pcs)
ID(D) minID(d) max
Wall thickness (w)
SDC7-00404.04.01.001.001.22
SDC7-0057
5.725.721.251.151.22
SDC7-0074
7.447.441.651.401.22
SDC7-0090
9.029.022.301.521.22
SDC7-0108
10.8510.852.401.801.22
SDC7-0140
14.014.03.002.101.22
SDC7-0177
17.7817.784.352.101.22

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