Military Grade Highly Flame Retardant Adhesive-lined Heat Sh

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Introduction
  Description





SBRS-135G (3X)(4X)GFisacross-linked polyolefin tube that is extruded with an inner layer of adhesive.The inner layer of adhesive, with superior sealing capability, is also a bufferagainst mechanical strain. Dual wall heat shrink tubing is designed to providesuperior sealing against water, corrosive gas and chemicals. Typicalapplications include environmental sealing of in-line splices, sealing andstrain relief of connectors and terminals, abrasion protection and electricalinsulation of automotive wiring harness splices and valuable components, fleet& marine sealing & protection and wire bundling etc.  


Features
  • Standard: AMS-DTL-23053/4 UL 224
  • Shrink ratio:3:1,4:1
  • High flame retardance,environment friendly,UV resistant
  • Shrink temperature:70℃~125℃
  • Continuous operating temperature:-45℃~135℃
  • RoHS compliant
  • Standard color: black outside,white inside


Technical Performance     
                 
Property Typical Data Test Method/Condition
Tensile Strength ≥12MPa ASTM D 2671
Elongation at break ≥300% ASTM D 2671
Tensile strength after heat aging ≧8.4MPa 175℃×168h
Elongation after heat aging ≥100% 175℃×168h
Longitudinal change -8%~+8% ASTM D 2671
Flammability Self extinguishing in 30 sec. AMS-DTL-23053/4
Voltage withstand(Rated voltage 600V) 2500V,1min no breakdown UL 224
Heat Shock No breakdown,no dripping UL 224,250℃×4h
Dielectric strength ≥15kv/mm IEC 60243
Volume resistivity ≥1014Ω.cm IEC 60093
 


Technical performance of adhesive  
 
Property Typical data Test method/condition
Softening point 95±5℃ ASTM E 28
Water absorption <0.5% ASTM D 570
Peel strength(PE) ≥120N/25mm ASTM D 1000
Peel strength(AI) ≥80N/25mm ASTM D 1000
 

Structure   










SBRS-135G(3X)GF Dimensions  
 
Size As supplied ID(mm) After full recovery(mm) Standard package
mm inch ID Wall thickness Thickness of adhesive (m/spool,    m/pc)
Φ3.2 1/8 ≥3.2 ≤1.00 0.90±0.15 0.35±0.10 200
Φ4.8 3/16 ≥4.8 ≤1.60 1.00±0.15 0.40±0.10 100
Φ6.4 1/4 ≥6.4 ≤2.20 1.25±0.15 0.45±0.12 100
Φ7.9 5/16 ≥7.9 ≤2.70 1.30±0.15 0.50±0.12 100
Φ9.5 3/8 ≥9.5 ≤3.20 1.40±0.15 0.50±0.12 50
Φ12.7 1/2 ≥12.7 ≤4.20 1.70±0.15 0.50±0.12 25
Φ15.0 5/8 ≥15.0 ≤5.20 1.80±0.15 0.55±0.15 25
Φ19.1 3/4 ≥19.1 ≤6.30 1.95±0.15 0.55±0.15 25
Φ25.4 1 ≥25.4 ≤8.50 2.05±0.20 0.55±0.15 25
Φ30.0 1-1/4 ≥30.0 ≤10.20 2.20±0.20 0.60±0.15 1.22
Φ39.0 1-1/2 ≥39.0 ≤13.50 2.50±0.20 0.60±0.15 1.22
Φ50.0 2 ≥50.0 ≤17.00 2.80±0.25 0.70±0.15 1.22
 
Note: Non standard dimensions and package are available on request
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