High Temp and Voltage Resistant Spark Plug Resistor , High Mechanical Strength but Low Abrasion

1. Product characteristics:

     a. Resistance (KΩ)----------------------------------------------5±20%

     b. Color------------------------------------------------------------Black

     c. Withstand voltage (KV)--------------------------------------≥30

     d. Usage temperature (℃)-------------------------------------20-155

     e. Insertion and Removal forces (N)-------------------------20N-70N

     f. Material---------------------------------------------------------PPS

     g. Assembly way-------------------------------------------------Injection molding

     h. Assembly dimension: connecting ignition wire------

     i. Assembly dimension: connecting Spark Plug----------

2. Material properties:

     a. Melting point---------------------------------------------------≥280

     b. Heat distortion temperature (℃)---------------------------≥260

     c. Luo's hardness (HR)-----------------------------------------＞100

     d. Tensile strength (Mpa)--------------------------------------＞170

     e. Bending strength (Mpa)-------------------------------------＞220

     f. Notched impact strength (Mpa)-----------------------------＞16

     g. Bending modulus---------------------------------------------＞3.5x10⁴

     h. Molding shrinkage rate (%)---------------------------------＜0.0025

     i. Absorptivity (%)------------------------------------------------＜0.05

     j. Surface resistivity (Ω)-----------------------------------------≥1.0 X 10¹⁵

     k. Volume resistivity (Ω.m)--------------------------------------≥1.0 X 10¹⁶

     l. Electrical strength (KV/m)------------------------------------＞18

     m. Friction coefficient-------------------------------------------0.01-0.02

3. Applications:

     a. Used in the ignition system of auto engine

4. Strength of product:

     a. Short-term heat resistance and long-term thermal stability are both better than any other current      

         engineering plastics.

     b. Great dimension stability under the condition of high temperature and high humidity

     c. High mechanical strength but low abrasion

     d. No deformation, heat resistance, acid and alkali resistance, no dilatation

     e. Useful time is not less than 50,000 km or 3 years

5. Competitive advantage:

     a. Own CNC maching center, electrical discharging machine and other processed equipments

     b. Be able to produce modes by ourselves, so can design and develop specific products for

         customers, meet special requirements.