30 min fire rated glass,pyro glass fire doors,fire proof glass doors

Ihe dị iche n’etiti ọnụ ụzọ ọkụ iko na ọnụ ụzọ ọkụ na osisi na ígwè bụ na a na-etinye ya na nnukwu iko ọkụ na-ekpuchi ọkụ, na iko ọkụ dị elu ka nwere ike ịnọgide na-enwe ihe karịrị nkeji 90 n’okpuru mmetụta nke ọkụ ruo 1000 Celsius C. Ọnụ ụzọ iko na-eguzogide ọkụ dị na ígwè na igwe anaghị agba nchara na agba dị iche iche.

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