Color:White Application:Blast furnace and other industrial kilns. Size :Customized Package:Export ton bag

Product Introduction

We have developed high alkalinity low carbon covering agent for tundish.The product can reduce the content of oxide impurity and high oxygen in steel by using high alkalinity. In order to meet the supporting service of metallurgical industry and produce low carbon steel to avoid the increase of carbon,we also developed carbon-free particle covering agent. This product is made with entirely carbon-free raw material, which is with high refractoriness and can solve the problem of crusting.

Features

1.Good spread ability. 2.Good thermal insulation. 3.No crusting after adsorption of impurities. 4.Non-stick to ladle surface. 5.Long insulating time. 6.Little temperature decreases of molten steel. 7.Erosion resistance to ladle lining.

Application

It is mainly used in steel making industry.

High Alkalinity Low Carbon Covering Agent for Tundish

Item	High Alkalinity Low Carbon Covering Agent for Tundish
Item	HCZ-1	HCZ-2
CaO%	48.0±4.0	8.0
Al2O3%	28.0+3.0	8.0
SiO2%	≤8	35.0
MgO%	5.0+2.0	10.0
C%	≤2	-
CaF2%	-	3.0-7.0
Melting Point ℃	-	1350±50
Melting Speed S	-	≥70
H2O %	-	≤1.5

Carbon-free Particle Covering Agent

Item	Covering Agent
	High Alkalinity Low Carbon Covering Agent for Tundish		Carbon-free Particle Covering Agent	Low Carbon Covering Agent	Acid Covering Agent	Carbon Low Silicon Covering Agent	Insulation Covering Agent
	HCZ-1	HCZ-2
Al2O3 %	28.0+3.0	8.0	16±4	15～30	≤2	30～40	≤2
SiO2 %	≤8	35.0	32±4	40～55	35～45	≤8.0	85-89
CaO %	48.0±4.0	8.0	37±4	4～20	33～43	40～50	≤2
Fe2O3%	-	-	≤5	-	≤2.5	≤4.0	≤1
MgO %	5.0+2.0	10.0	≥3	≤8	8～10	≤5.0	≤2
FC %	-	-	-	≤3.0	≤2	≤2.0	-
R %	-	-	1.15±0.2	-	0.9～1.0		-
Particle size	-	-	-	≥70(0.15-2.0mm)	≥70 (0.15-2.0mm)	≥70 (0.15-2.0mm)	≤15mm
H2O %	-	≤1.5	≤1.0	≤0.5	≤0.5	≤0.5	≤1.5