ʻO ka mahana hana lōʻihi o ka borosilicate 3.3 aniani hiki ke hiki i 450 ℃, a he kiʻekiʻe hoʻi ka permeability i ka wela kiʻekiʻe.Ke hoʻohana ʻia e like me ka panel aniani o ka umu microwave, ʻaʻole hiki iā ia ke pāʻani wale i ke ʻano o ke kūpaʻa wela kiʻekiʻe, akā e nānā pono pū i ke kūlana meaʻai i ka umu microwave.