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Zhengzhou Rongsheng Refractory Co., Ltd.

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City:zhengzhou

Province/State:henan

Country/Region:china

Contact Person:MrPika

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$China Corundum Ramming Mass castable refractory for alloy cast iron steel , High Alumina wholesale$

Corundum Ramming Mass castable refractory for alloy cast iron steel , High Alumina

Name: Corundum Ramming Mass castable refractory for alloy cast iron steel High Alumina
Brand: RSNC
Price: 200 USD

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Brand Name :RSNC

Model Number :HDD

Certification :CE,CQC,ISO9001

Place of Origin :Henan

MOQ :1mt

Price :USD200-1000/MT

Supply Ability :1000mt per month

Delivery Time :25days upon recceipt of payment

Packaging Details :1.packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages 2.According to customer's demands

Refractoriness (Degree) :Common (1580°< Refractoriness<1770°)

SiO2(%)≥ :0.7

Bulk Density g/cm 3≥ :2

Cold Crushing Strength MPa 1110℃x3h≥ :15

Fe2O3(%),≤ :0.5

Apparent Porosity(%) :26

Linear changing after burnt(%) :0-1.6

Al2o3(%),≤ :95

Max.grain size of aggregate(mm) :5

Amount for construction :2300

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Corundum Ramming Mass

Features

1. High volume stability.

2. High compactness.

3. Strong resistance to erosion.

Description

This product uses high-quality high-alumina, corundum and spinel, fused and high purity magnesite as the main raw materials, add a variety of different binding agents and special properties of the fine powder materials, such as by the fine ratio and mixing made.

Specification

Aluminum-magnesia ramming material, high-alumina (or corundum) – silicon carbide – carbon ramming material, alkali refractory ramming material and zirconium mullite ramming material.

Applications

Applicable to all kinds of carbon steel, low manganese steel, alloy steel, alloy cast iron, high-speed tool steel and stainless steel.

Physical and chemical index

Items			HDD-1	HDD-2		HDD-3	HDD-4		HDD-5
Chemical composition(%)	AI203≤	95		96		96	97		90
	Si02≥	0.7		0.6		0.6	0.5		0.4
	Fe203≤	0.5		0.5		0.4	0.4		0.8
Cold Crushing Strength (Mpa)	1300℃x3h After firing at	15		15		10	10		25
Apparent porosity(%)	1300℃x3h After firing at	26		26		25	25		23
Linear changing after burnt(%)	1300℃x3h After firing at	0 -1.6				0-1.2			0 -1.0
Bulk density (g/cm3)	1300℃x3h After firing at	2			2	2.1		2.1	2.2
(℃)Refractoriness			1780		1780	1780		1780	—
Max. grain size of aggregate(mm)			5		4.5	4.5		4.2	4.2
Amount for construction			2300		2300	2300		2400	2400
Mathod of construction			Jolt or ramming

Note: General cargo is bulk mixture, all products must do waterproof measures during the transportation and storage, it is prohibited to use if the goods appear agglomeration.

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