Jiangsu Dongfang Cable Material Co., Ltd.

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Low heat release low smoke halogen free flame retardant polyolefin cable compound

Category:

Flame Retardant Polyethylene Sheath Material

Description

Foreword

Low heat release, low smoke, halogen-free flame retardant polyolefin cable material is based on halogen-free high polymer, adding halogen-free and non-toxic flame retardants, smoke suppressants, heat stabilizers, lubricants, etc. Processing aids, granular plastics obtained by mixing, plasticizing and granulating.

Product name, model and purpose

Name	Model	Primary use
Low heat release low smoke halogen free flame retardant polyolefin cable compound	WDZB1-H-90	It is used for cable sheaths such as communication cables, control cables, signal cables and power cables. The maximum working temperature of the conductor is 90°C.

Performance

Typical mechanical and electrical properties

Experimental Project		Units	Specifications
Relative density at 23℃	≤	g/cm³	1.50
Oxygen Index	≥	%	38
tensile strength	≥	Mpa	10.0
Elongation at break	≥	%	150
Low temperature impact embrittlement temperature	≤	℃	-30
100℃ air oven heat aging for 168 hours
Rate of Tensile Strength Change	±	%	30
Rate of change in elongation at break	±	%	30
Heat deformation (90℃,4h)	≤	%	50
Volume resistivity at 20℃	≥	Ω.m	1.0×10¹⁰
Dielectric Strength	≥	MV/m	18
Smoke density
Flameless	≤	-	100
Flame	≤	-	350
Halogen acid gas content	≤	mg/g	5
Toxicity Index	≤	-	3
Anti-cracking test temperature and time		°C, h	130±3,1
Vertical burning (thickness 3.0±0.2mm)		-	V-1
Impact embrittlement test temperature -25℃ impact embrittlement performance (number of failures)	≤	a	15/30
Fire releases acid gas
HCL and HBr content	≤	%	0.5
HF content	≤	%	0.1
PH value	≥	-	4.3
Conductivity	≤	μS/mm	10
Total Heat Release THR₁₂₀₀	≤	MJ/㎡	50
Heat Release Rate HRR	≤	KW/㎡	100

Instructions

If the inner bag fails to prevent moisture or has a long storage time, the material should be dried before feeding and extruding. It is better for the hot material to enter the extruder. It is better to use a low shrinkage ratio (1.25-2.0:1) for the screw.When extruding with screw or other screw, please contact the supplier first. Recommended process conditions (for reference only)

Workspace	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	Zone 6	Zone 7	Zone 8	Zone 9
Temperature °C	120	125	135	140	150	150	155	155	155

Packaging, Shipping, Storage

1. The product should be packed with moisture-proof, inner bag with polyethylene film or aluminum foil/polyethylene composite film bag, outer bag with polypropylene textile/polyethylene/kraft paper composite bag, net weight 25± 0.2kg per bag, Other packaging and unit net weights may also be used.

2. Transportation and storage

The product shall not be exposed to sunlight and rain during transportation, and shall be kept clean, dry, free from contamination, and kept in a complete package.

The product should be stored in a clean, dry, cool and ventilated warehouse, and the storage period is 6 months from the production date.