1.Description
3: 1 Double-wall heat shinkable tube, production by polyolefin class halogen-free materials and hot melt adhesive double co-extrusion produce process. Outer for polyolefin with insulated, halogen-free,flame retardant , low temperature shrinkage characteristics; Inside is hot melt adhesive lining with low melting point, waterproof ,sealed and mechanical strain buffer, etc. Widely used in the various types of wire, wire sealing insulation and strapping fixation; Marine electric wire electric cable waterproof, moistureproof; the metal sealing corrosion.
2.Characteristic
l Uvioresistant
l Up temperature shrinkage:70C
l All temperature shrinkage:125C
l Operating Temperature:-45C~125C
l Shinkable Ratio:3:1
l Rohs Stardard:Rohs
l Stardard Color:Black.Other colors can available for customer request
3.Qualification
|
Performance
|
Test Way
|
Index
|
|
Extention
|
ASTM D 2671
|
≥10.4MPa
|
|
Breaking Elongation
|
ASTM D 2671
|
≥300%
|
|
After Aging
|
158℃×168h
|
≥7.3MPa
|
|
After Aging Breaking Elongation
|
158℃×168h
|
≥100%
|
|
Axial rate
|
ASTM D 2671
|
-8%～+8%
|
|
Flame Resistant
|
SAE-AMS-DTL-23053/5
|
60s Off-Self Time
|
|
Breakdown Strength
|
IEC 243
|
≥15Mv/m
|
|
Volume Resistivity
|
IEC 93
|
≥1014Ω·cm
|
4.Hot Melt Adhesive Performance
|
Performance
|
Test Way
|
Index
|
|
Softening Point
|
ASTM D E28
|
85℃
|
|
Water Absorption
|
ASTM D 570
|
≤0.2%
|
|
Peel Strenght(PE)
|
ASTM D 1000
|
120N/25mm
|
|
Peel Strenght(AL)
|
ASTM D 1000
|
80N/25mm
|
5.Specification
|
Specification
|
Inside Diameter Before shinkable(mm)
|
Freedom Shinkable Size
|
Package
|
|||
|
Metric
|
British Metric
|
Inside Diameter
|
Wall Thickness
|
Adhesiver Thickness
|
Meter/Roll
|
|
|
Φ2.4
|
3/32
|
≥2.4
|
≤0.80
|
0.85±0.15
|
0.35±0.08
|
200
|
|
Φ3.2
|
1/8
|
≥3.2
|
≤1.00
|
0.95±0.15
|
0.35±0.08
|
200
|
|
Φ4.8
|
3/16
|
≥4.8
|
≤1.60
|
1.10±0.15
|
0.40±0.08
|
100
|
|
Φ6.4
|
1/4
|
≥6.4
|
≤2.20
|
1.20±0.15
|
0.45±0.08
|
100
|
|
Φ7.9
|
5/16
|
≥7.9
|
≤2.70
|
1.35±0.15
|
0.50±0.08
|
100
|
|
Φ9.5
|
3/8
|
≥9.5
|
≤3.20
|
1.45±0.15
|
0.50±0.08
|
50
|
|
Φ12.7
|
1/2
|
≥12.7
|
≤4.20
|
1.70±0.15
|
0.50±0.08
|
36.6
|
|
Φ15.0
|
5/8
|
≥15.0
|
≤5.20
|
1.80±0.20
|
0.55±0.10
|
30.5
|
|
Φ19.1
|
3/4
|
≥19.1
|
≤6.30
|
2.00±0.20
|
0.55±0.10
|
30.5
|
|
Φ25.4
|
1
|
≥25.4
|
≤8.50
|
2.10±0.20
|
0.55±0.10
|
30.5
|
|
Φ30.0
|
1-1/4
|
≥30.0
|
≤10.2
|
2.20±0.20
|
0.60±0.10
|
24.4
|
|
Φ39.0
|
1-1/2
|
≥39.0
|
≤13.5
|
2.40±0.20
|
0.60±0.10
|
18.3
|
|
Φ50.0
|
2
|
≥50.0
|
≤17.0
|
2.70±0.20
|
0.70±0.10
|
12.2
|