by SpecialChem

RavaSafe® ZH-LSF 321 UV BK

Technical Datasheet | Supplied by Ravago Manufacturing Americas

RavaSafe® ZH-LSF 321 UV BK by Ravago Manufacturing Americas is a low smoke, UV stabilized, halogen free flame retardant thermoplastic polyurethane (TPU). It offers good mechanical properties and good processability. It gives a robust and cohesive char formation during fire.

It is suitable for processing by extrusion.
It is colorable and designed for telecom, low & medium power cable and general purpose sheathing applications to target the most fire challenging requirement.
RavaSafe® ZH-LSF 321 UV BK complies with EN 50363 (TM7), VDE 0207/ 0250 (HM2, HM4), BS 7655 (LTS 2), IEC 60502 (ST8) and IEC 60092-360 (SHF1) specifications.

RavaSafe® ZH-LSF 321 UV BK Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Density

1.54 g/cm³

(At 23°C)

ASTM D792, ISO 1183-1

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

6 g/10 min

(At 150°C, 21.6 kg)

ISO 1133-b

Water Immersion Test

1.5 mg/cm²

(At 70°C, 7d)

IEC 60811-402

Extrusion Properties

Value & Unit

Test Condition

Test Method

Zone 1 Temperature

130 °C

Zone 2 Temperature

140 °C

Zone 3 Temperature

150 °C

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RavaSafe® ZH-LSF 321 UV BK

RavaSafe® ZH-LSF 321 UV BK Properties

Physical Properties

RavaSafe® ZH-LSF 321 UV BK Processing Guidelines

Extrusion Properties