Iyo tembiricha yenguva refu yekushanda ye borosilicate 3.3 girazi inogona kusvika 450 ℃, uye zvakare ine yakakwirira permeability pakupisa kwakanyanya.Kana ichishandiswa segirazi pani ye microwave oveni, haingogone chete kuita basa rekupisa tembiricha kuramba, asi zvakare kunyatsoona mamiriro echikafu muchoto chewa microwave.