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Igo 500ML igo pẹlu awọn bọtini dabaru Bẹli

Awọn akoonu B2O3 fun gilasi Borosilica jẹ ojo melo 12-13% ati akoonu Sio2 jẹ ju 80%. Agbara Kemikali giga ati imugboroosi gbona kekere (3.3 × 10-6 K-1) - ti o kere julọ ti gbogbo awọn gilaasi iṣowo fun awọn ohun elo imọ-ẹrọ nla - ṣe eyi ni ohun elo gilasi-iwọn ti o wa.

Tilẹ4.7\ / 5 da lori375Awọn atunyẹwo alabara
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Gl45 okan gilasi reament igo 250ml

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