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500ml maigultal kwalba tare da gl45 blue dunƙule
Gilashin B2O3 don gilashin borosilics yawanci 12-13% da abun ciki na SiO2 ya wuce 80%. Babban ƙimar sunadarai da fadada da ƙarancin zafi (3.3 × 10-6 K-1-6 K-1) - mafi ƙasƙanci ga duk kayan fasaha na fasaha - yi wannan kayan gilashin sikelin.
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