Black Long Straight Spark Plug Resistor , Heat Acid and Alkali Resistance with no Deformation

A. 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

B. 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----------

C. 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

D. Applications:

a. Used in the ignition system of auto engine

E. 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.