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Dense Castable

Name: Dense Castable
Brand: CMS INDUSTRIES

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MOQ : 20 Metric Tons

Dense Castable Specification

Water Absorption
<15%

Usage & Applications
Industrial furnaces, insulation, patching & repair

Form
Castable

Chemical Composition
Al2O3, SiO2, CaO, Fe2O3

Surface Finish
Smooth after setting

Melting Point
1800°C - 1850°C

Application
Linings for furnaces, kilns, incinerators, and boilers

Density
2.4 Gram per cubic centimeter(g/cm3)

Hardness (%)
65 - 70%

Purity(%)
>90%

Product Type
Refractories

Types of Refractories
Dense Refractories

Shape
Powder/Granular

Porosity
Low (approx. 15 - 17%)

Dimensional Stability
Good at high temperatures

Strength
60 - 70 kg/cm² (Cold Crushing Strength)

Specific Gravity
2.6 - 2.8

Thermal Conductivity
1.3 - 1.6 W/mK at 1000°C

Color
Grey

Shelf Life
6 - 12 months in dry conditions

Grain Size
0 - 6 mm

Bulk Density
2.2 - 2.5 g/cm³

Bond Type
Hydraulic/Calcium Aluminate

Setting Time
6 - 8 hours (initial)

Cold Modulus of Rupture
8 - 10 MPa after drying at 110°C

Maximum Service Temperature
1700°C

Packaging
25 kg/50 kg bags

Mixing Ratio
Approx. 10% - 15% water by weight

Refractoriness Under Load
>1500°C

Dense Castable Trade Information

Minimum Order Quantity
20 Metric Tons

FOB Port
Mundra

Payment Terms
Letter of Credit (L/C), Western Union, Delivery Point (DP), Telegraphic Transfer (T/T), Days after Acceptance (DA)

Supply Ability
500 Metric Tons Per Month

Delivery Time
7-12 Days

Sample Available
Yes

Sample Policy
Free samples are available

Main Export Market(s)
Western Europe, Asia, Australia, North America, South America, Eastern Europe, Middle East, Central America, Africa

Dense Castable About

Dense Castable

Dense castable are special typesof cements that are suited for use in high temperature settings. These productshave superior physical and chemical properties that make them ideal for use iniron and steel, petrochemical, and cement industries. It used in hightemperature settings such as hot face linings of furnaces and linings thatremain in contact with molten metal. We are a leading Manufacture, Supplier andExporter of Best Quality of Dense castable as per the customers needs andrequirements.

Dense castable not only have verylow thermal conductivity but also low density as to be able to conserve loss ofheat in high temperature settings. It contains very low proportion of ironwhich is the reason why they are considered better for use in variousindustries. It requires very small quantity of water for mixing andapplication. Dense castable offered by CMS INDUSTRIES is known for its chemicaland physical properties in the foreign markets.

Exceptional Thermal Performance

Engineered for high refractoriness under load (>1500C) and a melting point up to 1850C, Dense Castable ensures steadfast operation in extreme heat environments. Its low thermal conductivity (1.3 - 1.6 W/mK) and superior dimensional stability help maintain efficiency and structural integrity in industrial furnaces and kilns.

Superior Mechanical Properties

Dense Castable exhibits impressive cold crushing strength (60-70 kg/cm2) and modulus of rupture (8-10 MPa after drying), supporting robust resistance against mechanical and thermal stresses. Its smooth finish post-setting and low porosity offer enduring reliability and minimal maintenance, even in high-wear zones.

Versatile Applications & Easy Installation

Designed for patching, repair, and primary insulation, Dense Castable adapts to various furnace configurations. Simple to mix with water (10-15% ratio), it provides a flexible solution for exporters, manufacturers, and suppliers in India. The powder/granular form allows precise placement and setting in both new and retrofit installations.

FAQ's of Dense Castable:

Q: How is Dense Castable prepared and applied in industrial settings?

A: Dense Castable is mixed with approximately 10% to 15% water by weight, resulting in a workable paste. This castable can then be poured or troweled into the desired location, such as linings for furnaces, kilns, boilers, or incinerators. It sets initially within 6 to 8 hours, providing a smooth, durable surface after curing.

Q: What are the main benefits of using Dense Castable for furnace linings?

A: Dense Castable offers excellent resistance to extreme temperatures up to 1700C, high mechanical strength, and low porosity, which collectively ensure long-lasting protection against thermal and mechanical wear. Its smooth finish and dimensional stability also help maintain efficient furnace operation with reduced maintenance.

Q: Where can Dense Castable be applied in industrial environments?

A: Dense Castable is suitable for use in the linings of furnaces, kilns, incinerators, and boilers. It is commonly employed for insulation, patching, and repair applications due to its strong refractory properties and ability to withstand harsh conditions.

Q: What is the shelf life of Dense Castable, and how should it be stored?

A: Dense Castable has a shelf life of 6 to 12 months when stored in dry conditions. It should be kept in tightly sealed 25 kg or 50 kg bags to prevent moisture ingress, which could compromise the setting properties and overall performance.

Q: Which process ensures optimal strength and performance of Dense Castable after installation?

A: After application, Dense Castable should be dried at 110C to achieve optimal cold modulus of rupture (8-10 MPa) and cold crushing strength (60-70 kg/cm2). This curing process stabilizes the hydraulic bond and develops the desired mechanical and refractory characteristics.

Q: What is the chemical composition of Dense Castable and how does it contribute to its properties?

A: Dense Castable is formulated mainly from alumina (Al2O3), silica (SiO2), calcium oxide (CaO), and iron oxide (Fe2O3). This composition, paired with a calcium aluminate hydraulic bond, delivers high refractoriness, low porosity, and robust strength-ideal for demanding refractory applications.