Blog

February 1, 2021

Test equipment of insulators in Bangladesh

Bangladesh is a developing country in South Asia, a close neighbor of China, and a country with a growing demand for electricity in recent years. As a large quantity of electrical components is imported into Bangladesh for the construction of power lines, the test of these high voltage components becomes more and more vital. In […]

Company News
October 18, 2020

Hot sale of Porosity tester in Pakistan

The electrical industry grows steadily in Pakistan with the rising demand of electricity. Not only for civil use, but also for industrial such as manufacturing, transportation, and etc. As a vital part of electrical overhead lines, high voltage insulators are largely required accordingly. In Pakistan, the majority of insulators are in porcelain material. These ceramic […]

Company News
July 9, 2020

Upgrade of crimping machine: more function, better appearance

With the world’s recovery from COVID-19 epidemic situation, manufacturers of composite insulators become active again. The first batch of upgraded polymer insulator crimping machines is about to go overseas to India Hyderabad. In the first half of this year, we have been dedicated to R&D of new appearance and optimized function of current testing machines […]

Company News
June 7, 2020

Alternatives solution of External Insulation for EHV and UHV Bushings

Different housings are available these days for the external insulation of EHV and UHV bushings. These include: porcelain, which may or may not also be coated with RTV silicone material to improve pollution performance; hybrid housings consisting of a porcelain core with a polymeric housing; and a composite housing based on an internal FRP tube […]

Overhead line insulators, Polymer insulators, Porcelain insulators
June 4, 2020

Hipot Test (Dielectric withstand test)

What is HIPOT test? A Hipot test is a test for insulation. Its full name is high potential test, which actually means dielectric withstand test. Why should we do the hipot test? Hipot test is an important test, it helps users to identify the peek withstand value of insulation, and discrepancy of insulation material. In […]

Insulator testing machines, Other
May 8, 2020

Porcelain Post Insulators

Porcelain post insulators are widely used on electrical power substation and transmission line systems. In the substation line system, post insulators are commonly seen as station post insulators. On both sides of the station post insulator, there are flanges with drilled holes for bolts fixing. These station post insulators are fixed on the bottom base […]

Porcelain insulators
April 27, 2020

What machines are needed for 11kV polymer insulator production line?

Polymer insulators are important electrical items in electrical power overhead transmission, distribution, and substation lines. They provide reliable insulation between cables and iron towers, or between conductors and connecting fittings like clamps so that the electricity can be transmitted safely. With the global growth of the electrical industry, more and more people smell the potential […]

Insulator producting machine, Insulator testing machines
April 14, 2020

Re-open: Full production capacity for insulator machines

Contune International Corporation has recovered full production capacity. With the effective control of the epidemic situation in China, most of the Chinese factories have re-opened and workers are gradually coming back to work. Back to 3 weeks ago, we have already done good preparation for this. And now, all the workers, engineers, management staff have […]

Company News
March 28, 2020

Composite insulator (Polymeric insulator)

What is a composite insulator? The composite insulator is also called the polymeric insulator. It is developed after toughened glass insulator and ceramic insulators, whose main insulation structure is consists of a fiberglass core (rod) and silicon housing and sheds. One both sides, 2 metallic fittings are installed on each side with crimping technics. These […]

Polymer insulators