Automobile Ignition System High Temperature Spark Plug Boot Heat Shield

Automobile Silicone Rubber Boot , conneting Spark Plug ,  High / Low Temperature Tolerance

Applications:

1. used in auto engine, a high voltage ignition system

Strength of product:

1. Product has no smell, health for people.
2. Great heat resistance, cold tolerance, and dielectric properties
3. Long life: be able to use no less than 50,000 km or 3 years
4. Based on complete die processing equipments, sheaths can be designed and developed according to customer’s requirements in a short time. 

Product Basic features:

• Color: Black 
• Material: Silicone rubber
• Withstand voltage: ≥30KV
• Usage temperature: -20℃-155℃
• Burr of the parting lines: ≤0.5mm
• Inner diameter: φ15±0.5mm
• External diameter: φ34±0.5mm, φ35.5±0.5mm (max)

Properties of raw material:

• Shore-A hardness: 55±5A
• Elongation at break: ≥300%
• Tear strength: ≥15N/mm
• Dielectric strength: ≥20KV/mm
• Tensile strength: ≥6N/mm²
• Tensile deformation: ≤20%
• Density: 1.17±0.02 g/cm3
• Withstand voltage 18KV for 30minutes: NO breakdown 
• Surface resistance: ≥10¹¹Ω
• Ageing resistance: 155±2.5℃X168h,Without any cracking