High-Quality Insulator Silicone Rubber for Braces

Insulator Silicone Rubber for Braces is a high-performance silicone material designed for insulators and lightning arresters. It offers superior electrical properties, aging resistance, and excellent salt spray and weathering resistance. With injection, molding, and high/low temperature vulcanization processes, this product meets the stringent requirements of various voltage and ultra-high voltage levels.

Product Advantages

1. Superior Electrical Performance: With a high dielectric strength and low dielectric loss, it ensures reliable insulation under high-voltage conditions.

2. Aging Resistance: Excellent resistance to aging, salt spray, and weathering, making it ideal for long-term use in harsh environmental conditions.

3. High Voltage Compatibility: Meets the rigorous requirements of insulators and lightning arresters for high and ultra-high voltage levels.

4. Flexible Manufacturing Process: Suitable for injection molding, compression molding, and vulcanization at both high and low temperatures.

5. Environmentally Friendly: The product is free of toxic substances and does not emit hazardous materials, offering a safe and eco-friendly solution for industrial use.

Type number	HF-230A	HF-230B	HF-230C	HF-270
Hardness (Shore A)	60±3	60±3	60±3	60±3
Plasticity (Duro)	180±20	180±20	160±20	180±20
Density (g/cm³)	1.45±0.05	1.45±0.05	1.5±0.05	1.55±0.05
Tensile Strength (MPa)	≥4.5	≥4	≥4	≥4
Elongation (%)	≥270	≥230	≥180	≥300
Compression Set (%)	≤6 (175°C × 22h)	≤6 (175°C × 22h)	≤6 (175°C × 22h)	≤10 (175°C × 22h)
Tear Strength (kN/m)	≥10	≥10	≥8	≥8
Rebound (%)	≥55	≥50	≥50	≥45
Flame-retardant Rating	FV-0	FV-0	FV-1	FV-1
Breakdown Voltage (kV/mm)	≥22	≥20	≥15	≥15
Dielectric Constant	≤4.5	≤5	≤5	≤5
Dielectric Loss	≤0.03	≤0.05	≤0.07	≤0.07
Leakage Marks	1A4.5	1A4.5	1A3.5	1A3.5
Volume Resistivity (Ω·cm)	≥1.0X10¹⁴	≥1.0X10¹⁴	≥1.0X10¹⁴	≥1.0X10¹⁴
Surface Resistivity (Ω)	≥1X10¹⁴	≥1X10¹⁴	≥1X10¹⁴	≥1X10¹⁴
Line Contraction Rate (%)	≤4	≤4	≤4	≤4
Hydrophobicity	HC1	HC1	/	/

Ideal for manufacturing insulators and lightning arresters.

Suitable for products requiring high and ultra-high voltage insulation.

Widely used in electrical utilities, power plants, and high-voltage transmission lines.

To operate, mix the silicone rubber compound with sulfur and color agents in the molding machine. Follow the vulcanization process for injection or molding at the required temperatures. Ensure proper curing to achieve maximum electrical and mechanical properties.

Q: What applications can this silicone rubber be used for?

A: This silicone rubber is perfect for insulators, lightning arresters, and products requiring high-voltage or ultra-high-voltage insulation.

Q: What is the breakdown voltage of this product?

A: The breakdown voltage varies by model, ranging from ≥15kV/mm to ≥22kV/mm, making it suitable for high-voltage applications.

Q: Can this silicone rubber withstand extreme temperatures?

A: Yes, it is designed to perform reliably under high and low temperatures, making it ideal for harsh environmental conditions.

Q: What is the flame-retardant rating of this product?

A: It has a flame-retardant rating of FV-0 for HF-230A and HF-230B, and FV-1 for HF-230C and HF-270, ensuring excellent fire resistance.

Q: Is the product environmentally friendly?

A: Yes, the silicone rubber is free from hazardous substances and provides a safe and eco-friendly solution.

WENZHOU HEFENG SILICONE RUBBER CO.,LTD

High-Quality Insulator Silicone Rubber for Braces

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