Ductile Manhole Cover is made of ductile;
we make the manhole cover on BS EN124, Mainly our products are A15, B125, C250
and D400, sometimes also make it E600 and F900 in case of need. For A15, B125,
C250 and D400 ductile manhole covers to be used in Green belt, Pavement, Auxiliary
road, Main road and Express way. We make ductile manhole covers all by
producing line, the quality is very good, and we warmly welcome customers all
over the world to do business with us.
Ductile Manhole Cover,Ductile Iron Manhole Cover,Ductile Iron Cover And Frame,Ductile Iron Cover Zhoushan Runchun Import & Export Co., Ltd. , https://www.en124casting.com
Waterproof rock wool board is mainly made of basalt and other natural ore as the main raw material, which is melted at high temperature to form a fiber, and an appropriate amount of binder is added to cure the tubular insulating material. Rock wool insulation pipe has the advantages of low thermal conductivity, high operating temperature, non-flammable fire protection, convenient construction and high cost performance. It can be used for insulation, energy saving and frost protection in various pipelines.
Features
1. Appearance quality: The surface is smooth and there must be no damage or damage to the utility.
2, combustion performance: not flammable.
3, heat load shrinkage temperature: 643 degrees.
4, hygroscopicity: 3.9%.
5. Organic matter content: 2.9%.
What are the characteristics of waterproof rock wool board?
Waterproof rock wool board is widely used in insulation of various industrial boilers and equipment pipelines such as petroleum, chemical industry, metallurgy, boat parking, textile, etc. It is also used for insulation and sound absorption of partition walls, ceilings and interior and exterior walls of the construction industry.