Description

PVC compound for tight tube of OFC is based on high quality PVC resin, formulated with special additives to provide excellent properties and process ability. It can be extruded in high speed with thin wall, and finish of tight tube fiber is very smooth. Flame-retardant, non-migration to PS (ABS) can be provided on customer request.

 

Applications

The compound is used as tight tube material for tight tube OFC.

Temperature rating

80℃

Specifications

PVC jacketing compound for tight tube OFC comply with following specifications: IEC 227，UL1581，VDE2070

Tight tube OFC. made by PVC jacketing compound comply with following specifications:：YD/T898-1997，UL62，UL83，UL758，VDE2070

Properties

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Properties            　　 　　　 　　                                  Specification　　

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Tensile strength:MPa       　　　　　　　 　　　           20
Elongation at break:%          　　　　      　　               180
Thermal deformation: %                                                 50
Brittle temperature: ℃                                                    －15
Thermal stability at 200℃:min                                        80
Volume resistivity at 20℃:≥Ω•M     　               　         1×108
Dielectric strength:≥MV/m                          　　　　     18
Oxygen Index: %                                                              29
Hardness:(Shore A)                                                         95±3

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Aging temperature:℃          　　　　　　　　　　        100±2
Aging time:hrs              　　　　　　　　 　　　　　　 240
Tensile strength after aging: ≥MPa                               20
Max change of tensile strength: ≤%      　　　              ±20
Elongation at break after aging: ≥%                              180
Max change of elongation at break: ≤%                       ±20

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