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GenFlam XL-R CPE

GenFlam® XL-R CPE High Performance

Code: 2613

Download Safety Data Sheet
Download Data Sheet

Genflam® XL‐R CPE sheathing compound has been designed to process easily on standard extruders used in the production of wire and cable products. This materials is designed to process similar to elastomeric compounds, attaining maximum output levels at relatively low shear rates. Genflam XL‐R CPE is supplied as free flowing pellets, packaged in sealed foil lined boxes and does not need to be dried prior to use.

KEY FEATURES

  • Excellent flame performance
  • Excellent physical properties
  • Excellent processing
  • Oil resistant
  • Lead Free
  • Designed for highly aggressive service

PHYSICAL PROPERTIES

Density: 1.42 g/cm3
Tensile: 2300 psi (typical)
Elongation: 300% (typical)
Low Temp. Brittle Point: ‐35ºC

* Samples extruded as tape with a nominal thickness of 0.070 inches, then exposed to 12 MRad beam for crosslinking.

COMBUSTION PROPERTIES

Limited Oxygen Index (LOI): 36% 

HEAT AGING

7d@121ºC
Tensile Retention

101%

Elongation Retention 104%

FLUID RESISTANCE

IRM 902 – 18h@121ºC
Tensile Retention 74%
Elongation Retention 91%

SUGGESTED RUNNING CONDITIONS

Extruder L/D: 20:1 or 24:1
Comp. Ratio: 1.25:1
Screen Pack: 20 Mesh or none
Screw Type: Single Flight metering, without mixing section
Feed Zone: 200ºF
Center Zone: 225-240ºF
Head/Die: 250ºF
Screw Cooling: 165ºF
Die Cooling: Not recommended
Gradient Cooling: Recommended
Color Concentrate: Not applicable

PROCESSING TECHNIQUES

Genflam XL‐R CPE sheathing compound has been designed to process easily on standard extruders used in the production of wire and cable products. This materials is designed to process similar to elastomeric compounds, attaining maximum output levels at relatively low shear rates. Care should be taken to ensure that screw compression ratio levels are below 1.5:1, and flow restrictions in the crosshead are kept to a minimum. Melt temperature values above 300oF (150oC) should be avoided.

The material can be extruded using either pressure or sleeving techniques. For generation of optimum physical properties, a draw down ratio of 1.25:1 can be used. Gradient cooling is also recommended for maximization of compound physical properties.

The Genflam XL‐R CPE is supplied as free flowing pellets, packaged in sealed foil lined boxes and do not need to be dried prior to use. It is recommended that the foil liners be resealed after use to prevent outside contamination or water absorption during storage. If the material has been exposed to a high humidity environment, or the foil liner has not been sealed, it is recommended the material be dried for a minimum of 4 hours at 140oF (60oC) in a standard desiccant style dryer prior to use.

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