Thin-Wall Irradiated LSOH Building Wire Compound

YHS62017B-125

Irradiation cross-linked low-smoke halogen-free flame-retardant polyolefin thin wall material (YHS62017B-125) uses polyolefin resin as the base, incorporated with high-efficiency halogen-free flame retardants, crosslinking sensitizers, antioxidants and other processing additives, and manufactured via mixing, plasticizing and granulation. It features outstanding mechanical, electrical, flame-retardant and extrusion properties, with high heat resistance, halogen-free composition and low smoke emission. It is suitable for national standard electronic wires, cloth wires and assembly wires.

✦ Irradiation cross-linked ✦ Low smoke halogen-free ✦ Thin wall polyolefin ✦ High heat resistance ✦ Good processability

Technical Data

Technical Specifications

Typical physical property data, subject to batch test reports.

Test project	Units	YHS62017B-125
Density	g/cm3	1.44
Original tensile strength (after irradiation)	MPa	13.0
Original elongation at break (after irradiation)	%	180
Heat aging of air after irradiation	℃×h	158×168
Tensile strength change rate	%	+7
Rate of change of elongation at break	%	-11
Thermal extension test		200℃×15min×0.2MPa
Elongation under load	%	60
Permanent deformation	%	0.5
Low temperature embrittlement temperature	℃	-40 pass
20℃ volume resistivity	Ω.cm	4.0×10¹⁴
20℃ dielectric strength	MV/m	28
Oxygen Index	%	34
Smoke density (Flame method)		75
Smoke density (Flameless method)		170
Halogen acid content	mg/g	0
pH value		6.2
Conductivity	μs/mm	0.5
Toxicity index		1.5

⚠️ Note: The above data is a typical value obtained by testing the product and is not a standard for testing restrictions.

Recommended

Extrusion Process

When the storage environment is wet or the production surface is required to be high, the particles can be dried in a hot air hopper at 70℃ for 1-2 hours.

It is recommended to use a low compression ratio screw extrusion with a compression ratio of 1.2-2.0:1.Before extrusion, the screw should be cleaned to ensure the cleanliness of the product. It is recommended to use 80 mesh or 100 mesh filter screen to avoid impurities in the extrusion process, and to ensure the melt pressure to obtain a good appearance and material density. As the difference between the actual temperature of the melt and the indicated value of the temperature control table varies with the type of extruder, the user is requested to select the appropriate temperature according to the specific situation of the extruder used.The following temperatures can be used as reference for start-up and commissioning:

Position	Cylinder I	Cylinder Ⅱ	Cylinder Ⅲ	Cylinder Ⅳ	Cylinder Ⅴ	Head and mold
Temperature	120±5	140±5	150±5	155±5	155±5	160±5

Packaging & Storage

Packaging and storage

(25 ± 0.2) kg / bag, inner aluminum plastic composite bag, outer kraft paper bag (or customer specified packaging)
Stored in dry and ventilated place
Prevent sun, rain and water
Storage period is 6 months