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Product Name: High Density Polyurethane Yellow Jacket Insulation Pipe
Standard:CJ/T114-2000
Size:219.1×8.7×12000mm
Jacketed Pipe Performance Indicators:
Density:≥940 kg/m3    Carbon Black::2.5%±0.5%.
Melt Flow Rate Difference:≤0.5g/10min
Tensile Yield Strength:≥19 MPa
Elongation at break≥350%
Longitudinal Shrinkage Rate:≤3%
Tensile strength (80℃,the shortest Yield time 1500h):≥4MPa
Technical Indicator of Insulation Layer:
The Foam Obturator Rate≥88%
Foam Density :≥60 kg/m3.
Comprehensive stress:≥0.3MPa
Water Absorption:≤10%
Technical Indicator of Insulation Pipe:
Jacketed Pipe Diameter Enlargement Rate:≤2%
Axis Eccentricity :≤4.5mm

Shearing Strength:23±2℃≥0.12 MPa
                 140±2℃≥0.08MPa
Cutting Impact :external protecting tube without visible cracks