AEI SX738:CM424

About
Low-smoke, low-toxicity, halogen-free, flame retardant, silane crosslinkable compound for the production of flexible heat shrinkable tubing. SX738 is a low smoke, low fume, fire retardant silane grafted compound, curable by exposure to moist conditions. This is designed specifically for the production, by extrusion, of flame retardant halogen free heat shrinkable tubing. The graft component SX738 is mixed with a crosslinking catalyst masterbatch CM424 generally in the ratio 95:5. The two component system SX738:CM424 combines ease of processing with the ability to achieve a degree of crosslinking compatible with good expansion and contraction.&&

Product Description
GenericXLPE
Material StatusCommercial: Active
FeaturesExcellent Processability,Low smoke,Crosslinked,Halogen free,Flame Characteristics
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.40g/cm³BS 2782 620A

MECHANICALNominal valueUnitTest method
tensile strength10.0MPaIEC 60811-1-1
Tensile strain
fracture200%IEC 60811-1-1

Aging performanceNominal valueUnitTest method
The rate of change in tensile strength
135℃,168 hr< 25%IEC 60811-1-2
Changes in tensile stress during fracture
135℃,168 hr< 25%IEC 60811-1-2

THERMALNominal valueUnitTest method
Temperature index> 200ISO 4589-3

Electrical performanceNominal valueUnitTest method
Volume resistivity1.0E+13ohms·cmIEC 60502
Dielectric strength14kV/mmIEC 60243-1
Conductivity
of gases13.0µS/cmIEC 60754-2

FLAME CHARACTERISTICSNominal valueUnitTest method
Extreme oxygen index26%ISO 4589-2
Corrosive gases in flue gas
pH4.60 IEC 60754-2
Smoke density< 3.5%ASTM D2843

Supplementary informationNominal valueUnitTest method
Halogen Acid Gas Evolution< 0.50%IEC 60754-1
High temperature elongation
35 lb/mm²,150℃< 180%Internal Method

Process Conditions
ExtrusionNominal valueUnitTest method
Barrel 1 zone temperature130°C
Barrel 2 zone temperature150°C
Barrel 3 zone temperature170°C
Barrel 4 zone temperature180°C
Head temperature190°C
Nozzle temperature190°C

Notes
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