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項(xiàng)目

ZCN-42

CN-42

AL₂O₃ , %

≥42

≥42

Fe₂O₃ , %

≤1.6

≤17

耐火度,℃

≥1750

≥1750

顯氣孔率AP , %

≤15

≤16

常溫耐壓強(qiáng)度CCS , MPa

≥58.8

≥49.0

0.20MPa荷重軟化開始溫度RUL , ℃

≥1450

≥1430

重?zé)€變化率PLC ( 1450℃x3h ) , %

0-0.2

0-0.3

透氣度

必須進(jìn)行此項(xiàng)檢驗(yàn),將實(shí)測(cè)數(shù)據(jù)在質(zhì)量證明書中注明.

This inspection must be carried out, and the measured data shall be indicated in the quality certificate.