熱風(fēng)爐用粘土磚

項(xiàng)目 item

單位
unit

指標(biāo)  index

RN-42

RN-40

RN-36

AI₂O₃≥

%

42

40

36

耐火度≥
refractoriness

^oC

1750

1730

1690

0.2MP_a荷重軟化開始溫度≥
softening temp under 0.20.2MP_a load

^oC

1400

1350

1300

重?zé)�線變化
linear change of re-heating

1450^oC.2h

%

+0
-0.4

-

-

1350^oC.2h

-

+0
-0.3

+0
-0.5

顯氣孔率≤
porosity

%

24

24

26

常溫耐壓強(qiáng)度≥
pressure resistance at normal temp

MP_a

29.4

24.5

19.6

熱穩(wěn)定性(1100^oC水冷)
heat and shock stability(1100^oC water cooling) 

次
times

實(shí)驗(yàn)數(shù)據(jù)在質(zhì)量證明書中證明
The test data is indicated in the quality certificate