No Item Technical Parameter Note
1 structure height(mm) L 2000 W 1100
T 1~40 Material:Halogen-freePhenolic fiberglassmolded plastic;UPE fiberglass moldedplastic(GPO3) ;F grade Epoxy glassfiber sheet(3240)
treatment of surface insulation.


2 Flexural Strength (kg/mm2) ≥ 40
3 Bond Strength (N) ≥ 7000
4 Impact Strength ≥ 30
5 Compressive Strength (kg/mm2) ⊥ ≥ 30
6 Electric Strength (kV) ≥ 40
7 Dielectric Constant 1MHZ 4.0~5.0
8 Arc resistance ,ASTM D495 (sec.) ≥ 180
9 Flame retardant UL 94 Subjects 94V-0

Zhuzhou Kingdon Industrial & Commercial Co., Ltd was established in 2004 which focuses on tungsten,molybdneum and composite insulators production,reaserching,producing,marketing, services and solution .We are one of leading tungsten,molybdenum and insulators manufacturer in China.

Our factory consist four branches: 1 tungsten,molybdenum Plant, 2 tungsten carbide Plant, 3 Insulation Materials Plant.

Zhuzhou Kingdon has already exported to North America, South America, Australia, Southeast Asia, Africa, Europe and 50 other countries and regions since 2004. Our products correspond to the international standards as referred to their quality and are in the market at the most competitive prices.

Zhuzhou Kingdon Quality Policy:

products are reliable in operation;

promptly satisfies the customers′ requirements and demands;

After-sale maintenance and service is executed promptly and considering a high level of technical competence;

Long-term partnership with our customers is the precedence for us;

ZZKD has built a good reputation for high quality products, timely delivery and responsive customer service. And has kept its development process, considering his responsibilities and missions about being one of the esteemed and respectful companies in the traditional industries,clean energy,LED lighting,medical technology,semiconductor,electronics,rail transit,wind power generation,railway