Cenospheres makwaara dị kaMicrosphere seramiiki oghere, bụ ụmụ irighiri ihe dị n'ogo n'okpuru 500µm yana nnukwu ike ndọda dị n'okpuru 1g/cm³, ha dị ọkụ karịa mmiri, yabụ a na-eji ha mgbe niile dị ka ihe nchacha dị fechaa. A na-eji Cenospheres mara yaelu thermal na n'ibu iguzogidena dị na dị iche iche nkesa urughuru nha.
A na-eji ha eme ihe n'ọtụtụ ebeRefractory,Ebe nrụpụta,Metallurgical,Simenti dị fechaa,ihe owuwu ihe,Akụkụ Thermoplastic,Ngwa seramiiki pụrụiche, were gabazie.
E hiwere ụlọ ọrụ mbụ ahụ na 1978, nke a na-akpọbu Hebei Shahe New Refractories Co., Ltd., na-etinye aka na nyocha, mmepụta na ahịa nke CENOSPHERES, ma bụrụ otu n'ime ndị nrụpụta ọkachamara mbụ na Hebei Province. Anyị nwere ike ịnye ọtụtụ ọkwa cenospheres,isi awọ & nso cenospheres ọcha,Ọnụahịa kasị elu nke Al2O3cenospheres & cenospheres akụ na ụba,nnukwu cenospheres: 75μm, 100μm, 106μm, 125μm, 150μm, 160μm, 180μm, 300μm, 450μm, 500μm, 600μm.
Ajụjụ ọ bụla ọzọ, biko nweere onwe gị ịkpọtụrụ anyị, anyị ga-amasị gị inyere gị aka!