الوصف

A cenosphere is a lightweight, inert, hollow sphere made largely of silica and alumina and filled with air or inert gas., typically produced as a byproduct of coal combustion at thermal power plants. Cenospheres are unique free flowing powders composed of hard shelled, hollow, minute spheres. A small proportion of the pulverised fuel ash (PFA) produced from the combustion of coal in power stations is formed as Cenospheres. Cenospheres are made up of silica, iron and alumina. Cenospheres have a size range from 1 to **0 microns with an average compressive strength of ***0+ psi. Colors range from white to dark gray. They are also referred to as microspheres, hollow spheres, hollow ceramic microspheres, microballoons, or glass beads.


Petra buildcare productsis a diversified Group with businesses in Mining, Export and Industries, employing more than **0 people. Our growth into different verticals along a value-chain enriches us with "Best In the Industry" reputation.
Garnering from more than *0 years of business experience of Director     Mr. Ashish Raninga, aims to be a Conglomerate with global presence. 


At the roots of our values are our Clients, to whom we deliver Quality & Distinguished Services. An ISO ***1:***0 Certified company, Petra Group now stands at the crossroad of becoming one of the biggest Mineral Mining & Export House in the private sector from India.