|
Property
|
Test method
|
Values
|
Inner layer
|
Physical
|
Tensile strength
|
ASTM D2671
|
≥6 MPa
|
|
Breakdown elongation
|
ASTM D2671
|
≥600%
|
Aging (136℃ /168hrs)
|
Tensile strength
|
ASTM D2671
|
≥4.2 MPa
|
Breakdown elongation
|
ASTM D2671
|
≥420%
|
|
Thermal endurance
|
IEC 216
|
105 ℃
|
|
Water absorption (23℃/336hrs)
|
ASTM D570
|
≤0.5%
|
|
Density
|
ASTM D2671
|
0.95~1.05
|
|
Low temperature flexibility(-55℃/4hrs)
|
ASTM D2671
|
No cracking.
|
|
Hardness (Shore D)
|
ASTM D2671
|
≤ 30 HD
|
Electrical
|
Dielectric strength(in insulation oil)
|
ASTM D 2671
|
≥15KV/mm
|
|
Volume resistivity
|
ASTM D 2671
|
≥1014 Ω.cm
|
Middle layer
|
Physical
|
Tensile strength
|
ASTM D2671
|
≥12 MPa
|
|
Breakdown elongation
|
ASTM D2671
|
≥400%
|
Aging (136℃ /168hrs)
|
Tensile strength
|
ASTM D2671
|
≥12 MPa
|
Breakdown elongation
|
ASTM D2671
|
≥350%
|
|
Thermal endurance
|
IEC 216
|
105 ℃
|
|
Water absorption (23℃/336hrs)
|
ASTM D570
|
≤0.5%
|
|
Density
|
ASTM D2671
|
1.05~1.15
|
|
Low temperature flexibility(-40℃/4hrs)
|
ASTM D2671
|
No cracking.
|
|
Heat shock (200℃/30mins)
|
ASTM D2671
|
No cracking.
|
|
Hardness (Shore D)
|
ASTM D2671
|
≥ 35 HD
|
Electrical
|
Dielectric strength(in insulation oil)
|
ASTM D 2671
|
≥15KV/mm
|
|
Volume resistivity
|
ASTM D 2671
|
≥1013 Ω.cm
|
Outer layer
|
Physical
|
Tensile strength
|
ASTM D2671
|
≥20 MPa
|
|
Breakdown elongation
|
ASTM D2671
|
≥350%
|
Aging (158℃ /168hrs)
|
Tensile strength
|
ASTM D2671
|
≥16 MPa
|
Breakdown elongation
|
ASTM D2671
|
≥300%
|
|
Thermal endurance
|
IEC 216
|
135 ℃
|
|
Water absorption (23℃/336hrs)
|
ASTM D570
|
≤0.5%
|
|
Density
|
ASTM D2671
|
1.05~1.10
|
|
Heat shock (250℃/30mins)
|
ASTM D2671
|
No cracking.No drop, no flow
|
|
Low temperature flexibility(-40℃/4hrs)
|
ASTM D2671
|
No cracking.
|
|
Hardness (Shore D)
|
ASTM D2671
|
≥ 55 HD
|
Electrical
|
Volume resistivity
|
ASTM D 2671
|
≤104 Ω.cm
|
Inner layer & Middle layer & Outer layer
|
|
Halogen free
|
IEC 61249-2-21
|
Cl : 900ppm max.
|
|
Br : 900ppm max.
|
|
Total (Cl + Br) : 1500ppm max
|
|
|
|
|
|
Typical application
|
Ideal for insulation of power cable joint up to 42KV
|
|
|
|
|
|
Ordering
|
Standard color : Black/Red/Red
|
Standard packaging is 1m/pc or 1.22m/pc
|
Please specify specification,quantity when ordering
|
Cross reference
|
Raychem/ Tyco: ERIT/ERIC/ERIH
|