A na-eme ntụ ntụ nke vermiculite nke dị elu nke gbasaa vermiculite site na-etipịa na nyocha.
Isi ihe eji eme ihe: ihe mgbakasị ahụ, ihe na-akụda mmiri, ihe mbelata mkpọtụ, plasta na-enweghị ụda, ihe ọkụ ọkụ, nzacha, linoleum, agba, mkpuchi, wdg.
Ụdị isi bụ: ntupu 20, ntupu 40, ntupu 60, ntupu 100, ntupu 200, ntupu 325, ntupu 600, wdg.