A research group of the nano sci-tech institute at Kim Chaek University of Technology has developed new nano composite plastic belts for coal mining.
The application of nanotechnology in the production of plastic belts makes it possible to improve their dynamical, mechanical, and electrical properties so that they could be used more efficiently in different economic sectors. Even the countries that produce natural rubber or synthetic rubber tend to manufacture belts with plastic instead of rubber.
Scientists of the institute, who have made good achievements in the application and research of nano-materials, conducted research to develop nano composite plastic belts for coal mining based on domestic raw materials in line with the trend of using plastic belts.
They selected locally available nano-materials and continued with research and experiment. As a result, they managed to obtain a new nano composite plastic material by mixing plastic material with nano powder that has undergone special chemical treatment.
On this basis, they successfully solved problems arising in the heat treatment of the belt mesh dipped into the nano composite material solution, and have established the production process.
The new nano composite plastic belt production technology is expected to help boost the production and reduce the frequency of mishaps by friction between rubber belts and drive rollers in coal and ore mines.
Kim Wi Hyok
More From Naenara (En)
A well-regulated nationwide system is in place in the DPRK for producing and supplying school uniforms and assessing their
December 31, 2025
A well-regulated nationwide system is in place in the DPRK for producing and supplying school uniforms and assessing their
The artistic motivational team of the Central Committee of the Union of Agricultural Workers of Korea performed at the Academy of
December 31, 2025
The artistic motivational team of the Central Committee of the Union of Agricultural Workers of Korea performed at the Academy of
Top ten IT model units of 2025 have been selected. Those selected are the Chollima Tile Factory, Sinuiju Cosmetics Factory,
December 31, 2025
Top ten IT model units of 2025 have been selected. Those selected are the Chollima Tile Factory, Sinuiju Cosmetics Factory,
A meeting of workers and members of the General Federation of Trade Unions of Korea took place at the Central Hall of Workers on
December 31, 2025
A meeting of workers and members of the General Federation of Trade Unions of Korea took place at the Central Hall of Workers on
The recent 13th Plenary Meeting of the Eighth Central Committee of the Workers’ Party of Korea reviewed the implementation of
December 31, 2025
The recent 13th Plenary Meeting of the Eighth Central Committee of the Workers’ Party of Korea reviewed the implementation of
The Academy of Pedagogical Science is conducting extensive research to give students advanced education as the second programme
December 31, 2025
The Academy of Pedagogical Science is conducting extensive research to give students advanced education as the second programme
Jonjin Senior Middle School newly built in Pyongyang’s Rangnang District is an all-in-one educational institution in which
December 31, 2025
Jonjin Senior Middle School newly built in Pyongyang’s Rangnang District is an all-in-one educational institution in which
Villages of the Konggwi Vegetable Farm in Kanggye City, and the Kaewon Farm in Wiwon County, Jagang Province of the DPRK,
December 31, 2025
Villages of the Konggwi Vegetable Farm in Kanggye City, and the Kaewon Farm in Wiwon County, Jagang Province of the DPRK,
Considerable achievements have been made in the work for land and environment protection this year. The Eleventh Plenary Meeting
December 30, 2025
Considerable achievements have been made in the work for land and environment protection this year. The Eleventh Plenary Meeting
According to the decisions made at the Eighth Congress of the Workers’ Party of Korea, projects for readjustment and
December 30, 2025
According to the decisions made at the Eighth Congress of the Workers’ Party of Korea, projects for readjustment and
The respected Comrade Kim Jong Un shows boundless affection to the service personnel regarding them as his own beloved sons and
December 30, 2025
The respected Comrade Kim Jong Un shows boundless affection to the service personnel regarding them as his own beloved sons and
Modern houses have been built in Amdu-ri of Jongju City, Pongnin-ri of Pakchon County and Pugil-ri of Unjon County in North
December 30, 2025
Modern houses have been built in Amdu-ri of Jongju City, Pongnin-ri of Pakchon County and Pugil-ri of Unjon County in North
Creators of the Art and Literature Publishing House and the Central Fine Arts Studio and teachers and students of Pyongyang
December 30, 2025
Creators of the Art and Literature Publishing House and the Central Fine Arts Studio and teachers and students of Pyongyang
A project for promoting environmentally sound management of plastic waste is underway in the DPRK. The project aims to build up
December 30, 2025
A project for promoting environmentally sound management of plastic waste is underway in the DPRK. The project aims to build up
In the DPRK precedence is given to labour protection over production, and everyone is leading a working life in a safe and
December 29, 2025
In the DPRK precedence is given to labour protection over production, and everyone is leading a working life in a safe and
New houses have appeared at the Samwon Industrial Crop Farm and the Hyangphung Farm in Songchon County and the Yakjon Farm in
December 29, 2025
New houses have appeared at the Samwon Industrial Crop Farm and the Hyangphung Farm in Songchon County and the Yakjon Farm in
In summer last year flash flood wreaked havoc on some parts of North Phyongan, Jagang and Ryanggang provinces in the DPRK.The gove
December 29, 2025
In summer last year flash flood wreaked havoc on some parts of North Phyongan, Jagang and Ryanggang provinces in the DPRK.The gove
DPRK players returned home on December 27 after taking part in the Qatar International Weightlifting Cup 2025. They bagged 18 gold
December 29, 2025
DPRK players returned home on December 27 after taking part in the Qatar International Weightlifting Cup 2025. They bagged 18 gold
A men’s ice hockey match was held at the Ice Rink on December 27 to celebrate Constitution Day of the Democratic People’s Republic
December 29, 2025
A men’s ice hockey match was held at the Ice Rink on December 27 to celebrate Constitution Day of the Democratic People’s Republic
The following happened one day in June 1951 when the DPRK was fighting a fierce war against the US invaders. The great leader
December 29, 2025
The following happened one day in June 1951 when the DPRK was fighting a fierce war against the US invaders. The great leader
More Articles
