Item	Content
Model	EPC6928
Product Type	B1-Class Flame-Retardant LSZH Cable Sheathing Compound
Material Type	Thermoplastic Low Smoke Zero Halogen Flame-Retardant Polyolefin / HFFR
Application	Power Cable Sheath / Cable Outer Jacket
Key Performance	Good Flame Retardancy • Low Heat Release • Low Heat Release Rate • LSZH
Processing	Thermoplastic Extrusion
Halogen Content	0 PPM
Typical Positioning	B1-Class Low Smoke Zero Halogen Power Cable Sheathing Material

Product Overview

EPC6928 is a B1-class flame-retardant low smoke zero halogen sheathing compound developed for power cable outer jackets. It provides good flame-retardant performance together with relatively low heat release and a low heat release rate, making it suitable for cable sheath constructions where fire safety, smoke control and halogen-free performance are required.

Designed as a thermoplastic HFFR cable jacket material, EPC6928 can be used for LSZH power cable sheathing, zero-halogen flame-retardant cable outer jackets and low-smoke polyolefin sheath applications. Its 38% oxygen index, 0 PPM halogen content and balanced mechanical properties support B1-class flame-retardant cable constructions while retaining conventional thermoplastic extrusion processing.

Key Features

B1-Class Flame-Retardant Cable Sheathing Material
Designed for Power Cable Outer Jackets
Low Heat Release & Low Heat Release Rate
Low Smoke Zero Halogen / HFFR
Oxygen Index: 38%
Halogen Content: 0 PPM
Thermoplastic Extrusion Processing

Technical Data Sheet

Test Item	EPC6928	Test Method
Density, g/cm³	1.58	ISO 1183-1
Melt Index, g/10min	1.5	ISO 1133 (b)
Tensile Strength, MPa	11.2	IEC 60811-1-1
Elongation at Break, %	190	IEC 60811-1-1
Aging Test, °C×h	100×168	IEC 60811-1-2
Tensile Strength after Aging, MPa	13.7	IEC 60811-1-2
Elongation after Aging, %	169	IEC 60811-1-2
Oxygen Index, %	38	ISO 4589-2
Smoke Density - Flaming	54	ASTM E-662
Smoke Density - Nonflaming	201	ASTM E-662
Hardness, Shore A	96	ASTM D2240
High-Temperature Pressure Test, °C×h	90×4	IEC 60811-3-1
Thermal Deformation, %	28	IEC 60811-3-1
Low-Temperature Impact @ -25°C	Pass	IEC 60811-1-4
Thermal Shock @ 130°C	Pass	IEC 60811-3-1
Halogen Content, PPM	0	IEC 60754
pH (min)	6.2	IEC 60754
Conductivity (max), μS/mm	0.8	IEC 60754
Volume Resistivity, Ω·m	3×10¹²	IEC 60093

Recommended Extrusion Process Temperature

Zone	Zone 1	Zone 2	Zone 3	Zone 4	Zone 5	Neck	Head	Mould
Temperature	100°C	130°C	140°C	145°C	150°C	155°C	160°C	165°C

EPC6928 can be processed by thermoplastic extrusion. A low-compression-ratio screw and head are recommended, with a compression ratio of approximately 1:1–1:2. Keep the extrudate temperature below 165°C and do not exceed 175°C.

Adjust the extrusion conditions according to cable structure, equipment configuration, screw design and actual melt condition.

For special extrusion equipment, cable sheath thicknesses or power cable structures, please contact our technical team for processing guidance.

Final processing parameters should be confirmed through production trials under the customer's actual extrusion conditions.

OEM & Customization

Customized Formulations
OEM Manufacturing
Color Matching
Technical Support
Small Batch
Fast Sampling
Free Samples

FAQ

1. What is B1 LSZH Power Cable Sheathing Compound EPC6928?

EPC6928 is a B1-class flame-retardant low smoke zero halogen thermoplastic sheathing compound for power cable outer jackets.

2. What is the main application of EPC6928?

The supplied product catalogue positions EPC6928 as a sheathing material for power cables.

3. What are the main fire-performance characteristics?

The catalogue highlights good flame retardancy together with relatively low heat release and a low heat release rate.

4. Is EPC6928 an LSZH / HFFR cable jacket material?

Yes. It is a low smoke zero halogen flame-retardant polyolefin sheathing compound, and the supplied data lists halogen content at 0 PPM.

5. What oxygen index does EPC6928 provide?

The supplied technical data lists an oxygen index of 38%.

6. What mechanical properties are reported?

The supplied data lists 11.2 MPa tensile strength and 190% elongation at break.

7. What aging performance is reported?

After 100°C × 168 h aging, tensile strength is 13.7 MPa and elongation at break is 169%.

8. What smoke-density data is reported?

The supplied data lists smoke density of 54 by the flaming method and 201 by the nonflaming method.

9. What is the recommended extrusion temperature profile?

Zone 1: 100°C; Zone 2: 130°C; Zone 3: 140°C; Zone 4: 145°C; Zone 5: 150°C; Neck: 155°C; Head: 160°C; Mould: 165°C.

10. Can customized formulations and samples be provided?

Yes. Formulation support, color matching, technical guidance and samples can be discussed according to power cable sheathing and fire-performance requirements.

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