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Genflam MNT

Genflam® MNT

Code: 4303

Download Safety Data Sheet
Download Data Sheet

Genflam® MNT BK is a CV crosslinked jacket material designed specifically for Transit applications. The Genflam XLTR has been engineered for very low levels of smoke generation during combustion, yet provides excellent physical and processing properties to allow for maximum extruder output and minimize production costs.

KEY FEATURES

  • High flame retardancy
  • Excellent processing
  • No heavy metals or halogens
  • Very low smoke generation
  • RoHS and REACH compliant

PHYSICAL PROPERTIES

Density: 1.54 g/cm3
Tensile: 1700 psi (typical)
Elongation: 180% (typical)
Tear: 40 lbf/in (typical)
Durometer: 93 Shore A

COMBUSTION PROPERTIES

Limited Oxygen Index (LOI): 42%
Acid Gas: 0.2%
Smoke Index (ASTM E662):

  • Flaming  Ds4 0
  • Flaming  Dm20 86
  • Non‐Flaming  Ds4 0
  • Non-Flaming  Dm20 239

HEAT AGING

7d@121ºC 7d@150ºC
Tensile Retention

139%

102%

Elongation Retention 92% 62%

FLUID RESISTANCE

IRM 902 – 18h@121ºC
Tensile Retention 67%
Elongation Retention 67%

SUGGESTED RUNNING CONDITIONS

Extruder L/D: 15:1 or 20:1
Comp. Ratio: 1.25:1
Screen Pack: 20 Mesh or none
Screw Type: Single Flight metering, without mixing section
Feed Zone: 200ºF
Center Zone: 210-230ºF
Head/Die: 260ºF
Screw Cooling: 165ºF
Die Cooling: Not recommended
Gradient Cooling: Not applicable
Color Concentrate: Not applicable

PROCESSING TECHNIQUES

The Genflam MNT BK material has been designed to process easily on standard extruders used in the production of wire and cable products. The material has been 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 temperatures higher than 230oF should be avoided.

The material can be extruded using either pressure or sleeving techniques. For maximum physical properties, tooling utilizing a slight draw down ratio (1.15 to 1) can be used.

The material is supplied as free flowing pellets, packaged in sealed foil lined boxes and does 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 (60 oC) in a standard desiccant style drier prior to use

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