Tundish High Alumina Castable

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Tundish Refractory Products

Hongda high performance refractory castables include low cement,ultra low cement and anhydrous castables,characteristics with high strength,good volume stability,good thermal shock resistance.

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Hongda high performance refractory castables include low cement,

ultra low cement and anhydrous castables,

characteristics with high strength,

good volume stability,

good thermal shock resistance,

corrosion and abrasion resistance, are widely used in all kinds of industrial kiln lining and melting furnace lining

we have tech and price advantage at these refractory materials :

1 , magnesia repair refractory materials for EAF , LADLE ,converter

2 , magnesia working layer refractory materials for eaf , ladle , tundish ,converter

3 , high aluminum series refractory castable & precast brick

4 , BF main runner ( casting house ) refractory project - ASC castable series

5 , rotary kiln - iorn ore oxidized rotary kiln , lime kiln refractory project

6 , high aluminum cement - CA 50 ( 625 - 925 )

7 , olivine sand

8 , graphite scraps & graphite coke

9 , kiln furniture

10 , aluminum industrial furnace porous plug

Technical Parameters

		HIGH ALUMINA BASE
BRAND		HD-LJ50	HD-LJ55	HD-LJ60	HD-LJ65	HD-LJ70	HD-GJ75
Al₂O₃ (%) ≥		50	55	60	65	70	75
BD（g/cm³） ≥	110℃ × 24 h	2.2	2.2	2.3	2.3	2.5	2.6
MOR（MPa） ≥	110℃ × 24 h	6	7	7	8	8	9
MOR（MPa） ≥	1350℃ × 3 h	8	8	10	10	11*	11*
CCS（MPa） ≥	110℃ × 24 h	25	30	35	40	45	50
CCS（MPa） ≥	1350℃ × 3 h	30	40	45	50	60*	65*
PLC (%) ≤	1350℃ × 3 h	±0.5	±0.5	±0.5	±0.5	±0.5*	±0.5*
REF （℃）		1350	1400	1450	1500	1550	1600