Item	Content
Model	STCP52601
Product Type	Halogen-Free Flame-Retardant PP (FRPP) Insulation Compound
Material Type	Thermoplastic Halogen-Free Flame-Retardant Polypropylene Cable Compound
Main Applications	Electronic Wires, Automotive High-Voltage Wires and Cable Insulation
Flame Performance	UL 94 V-1 at 4.0 mm
Key Characteristics	Heat Resistance, Electrical Insulation, Good Processability, Halogen-Free Formulation
Processing	Thermoplastic Extrusion
Customization	Formulation / Color / Technical Support Available

Product Overview

STCP52601 is a thermoplastic halogen-free flame-retardant polypropylene (FRPP) insulation compound developed for electronic wires and automotive high-voltage cable applications. According to the supplied product catalogue, it provides excellent heat resistance and electrical insulation performance together with good processability.

STCP52601 is designed for cable applications with relatively high environmental requirements where a halogen-free FRPP insulation material is preferred. Typical properties include 15 MPa tensile strength, 550% elongation at break, UL 94 V-1 at 4.0 mm, Shore D 70 hardness and volume resistivity of 3.5 × 10¹⁶ Ω·cm.

Key Features

Halogen-Free FRPP Insulation Compound
For Electronic Wires & Automotive High-Voltage Cables
Excellent Heat Resistance
Excellent Electrical Insulation Performance
Good Processability
UL 94 V-1 at 4.0 mm
Elongation at Break: 550%

Technical Data Sheet

Test Item	STCP52601	Test Method
Density, g/cm³	1.05	ASTM D792
Melt Index, g/10min	3.5	ASTM D1238
Tensile Strength, MPa	15	ASTM D412
Elongation at Break, %	550	ASTM D412
Heat Impact @ 130°C	No Crack	IEC 60811-3-1
Low-Temperature Impact @ -40°C	No Crack	IEC 60811-1-4
Heat Aging	158°C × 168 h	ASTM D573
Tensile Strength after Aging, MPa	14.3	ASTM D573
Elongation after Aging, %	500	ASTM D573
Flammability (4.0 mm)	V-1	UL 94
Oxygen Index, %	23	GB/T 2406.1-2008
Hardness, Shore D	70	ASTM D2240
Volume Resistivity, Ω·cm	3.5 × 10¹⁶	IEC 60093

Recommended Extrusion Process Temperature

Zone	Zone 1	Zone 2	Zone 3	Zone 4	Neck	Head	Die
Temperature	170±10°C	180±10°C	190±10°C	200±10°C	200±10°C	190±10°C	190±10°C

STCP52601 is a thermoplastic FRPP cable compound intended for extrusion processing. The recommended extrusion temperature profile from the supplied product catalogue is shown below.

The actual temperature setting should be adjusted according to the drawing speed, using the surface smoothness of the finished wire or cable as the reference.

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

Applications

Application	Material Role	Application Requirements	Suitability
Electronic Wire	Halogen-Free FRPP Insulation	Electrical insulation, heat resistance and environmental performance	Recommended
Automotive High-Voltage Cable	Halogen-Free FRPP Insulation	Heat resistance, insulation performance and good processing	Recommended
Automotive Wire	FRPP Insulation	Mechanical performance and thermoplastic processing	Application-dependent
Environmentally Focused Cable	Halogen-Free Insulation	Halogen-free formulation and electrical insulation	Recommended
Custom Wire & Cable	Customized FRPP Insulation	Formulation, color and processing matching	Available

OEM & Customization

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

FAQ

1. What is Halogen-Free FRPP Wire Insulation Compound-STCP52601?

STCP52601 is a thermoplastic halogen-free flame-retardant polypropylene (FRPP) insulation compound for electronic wires and automotive high-voltage cable applications.

2. What applications is STCP52601 designed for?

The supplied catalogue states that it can be used for electronic wires and automotive high-voltage wire insulation, particularly where higher environmental requirements apply.

3. Is STCP52601 halogen-free?

Yes. The supplied product catalogue specifically identifies STCP52601 as a halogen-free FRPP material.

4. What are the key advantages of STCP52601?

The catalogue highlights excellent heat resistance, excellent electrical insulation performance and good processability.

5. What flame-retardant performance does STCP52601 provide?

The supplied technical data lists UL 94 V-1 at a specimen thickness of 4.0 mm and an oxygen index of 23%.

6. What are the main mechanical properties?

Typical values include 15 MPa tensile strength, 550% elongation at break and Shore D hardness of 70.

7. What heat-aging performance is listed?

The technical data lists 158°C × 168 h heat aging according to ASTM D573, with typical post-aging tensile strength of 14.3 MPa and elongation at break of 500%.

8. How does STCP52601 perform in impact tests?

The supplied data shows no cracking in the 130°C heat-impact test and no cracking in the -40°C low-temperature impact test.

9. What is the volume resistivity of STCP52601?

The typical volume resistivity is 3.5 × 10¹⁶ Ω·cm according to IEC 60093.

10. Can STCP52601 be customized?

Yes. Formulation matching, color matching, technical support and sample evaluation can be provided according to the customer's cable structure and processing requirements.

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