Cold Ramming Mass Cathod Paste to Fill Seams of Carbon Bricks in Furnace Construction as Refractory

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1.Ramming mass Description

Ramming material refers to the unshaped refractory that is constructed by the ramming method and hardened under heating above normal temperature. It is made by mixing refractory aggregates, powders, binders, admixtures with a certain level of water or other liquids. It is used to fill the gap between the furnace cooling equipment and the masonry or the filler for the masonry leveling layer.

Ramming material		High alumina	Magnesia	Magnesia- chrome	Magnesia- alumina- chrome	Corundum Chromium zircon	Alumina- zirconia
Chemical Composition %	Al2O3	83	2.3	6	≤15	74	68
	ZrO2	1.1	93(MgO)	59(MgO)	55-60(MgO)	6.6	11
	Cr2O3	-	-	16	15-20	15	-
Compressive strength MPa	110°C	38.5	62	43.5	74.1(150°C)	5	26.5
	1000°C	47.6	54	25.8	32	62.2	42.6
	1600°C	67.2	-	38.5	53	123.2 (1500°C)	38.4 (1400°C)
Refractoriness under load °C		-	-	1500	-	1700	1340
Reheating linear change %		0.6	-0.15 (1600°C)	-0.6	-0.14	-	0.93 (1400°C)
Apparent porosity %		-	14	13	-	15	23
Bulk density g/cm3		2.7	2.95	2.7	3.05	3.33	2.7

2.Ramming mass Feature

1. Good volume stability

2. Small bulk density

3. Room temperature compressive strength

4. High refractoriness and excellent mechanical strength.

5. High density, not easy leakage

6. Excellent thermal shock resistance stability,

7. Good volume stability at high temperature

8. Excellent erosion resistance

9. Good slag resistance

3. Ramming mass Application

Refractory ramming materials are mainly used for the lining of smelting furnaces and other thermal equipment, such as blast furnace iron runners and slag runners, blast furnace cupolas, blast furnace linings, ladles, electric arc furnaces, induction furnace linings, converters, steelmaking furnaces, rotary kilns.

4. Packing &Shipping

1. Plastic bag(25kg), Kraft bag (25 kg), Plastic bag(1 ton);

2. 1 ton on a pallet with plastic film

3. As per the customer’s request

We strive to create Cold Ramming Mass Cathod Paste to Fill Seams of Carbon Bricks in Furnace Construction as Refractory with reliable performance and customer satisfaction to serve users at home and abroad. The company's various research and development work is being carried out in accordance with the overall plan of the group headquarters, and strive to create high-quality products that can satisfy consumers. Your trust and approval are the best reward for our efforts.

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