K R Refractory
K R Refractory
Satellite, Ahmedabad, Gujarat
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Insulation Bricks

Offering you a complete choice of products which include rectangular insulation bricks, hfk insulation bricks, ceramic insulation bricks, white insulation bricks, solid insulation bricks and grey insulation bricks.

Rectangular Insulation Bricks

Rectangular Insulation Bricks
  • Rectangular Insulation Bricks
  • Rectangular Insulation Bricks
  • Rectangular Insulation Bricks
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Approx. Price: Rs 65 / PieceGet Latest Price
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Product Details:

Size230 x 114 x 75 mm
MaterialCeramic
Usage/ApplicationGlass Furnace
ColorGrey
ShapeRectangular
Deals WithinState
BrandK R Refractory

Adhering to national and international quality standards, we provide an ample range of flawless Insulation Bricks. We have carved a niche as one of the blooming Refractory Insulating Bricks manufacturers and Exporters based in India. Our Mica Insulating Bricks are extensively used in various heating vessels like furnaces, kilns etc. for maintaining the temperature. Available in various sizes and dimensions, our Mica Insulating Bricks can be customized as per the specifications of the clients. High strength, anti abrasive nature and light weight are some of the unique features of our Mica Insulating Bricks.
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HFK Insulation Bricks

HFK Insulation Bricks
  • HFK Insulation Bricks
  • HFK Insulation Bricks
  • HFK Insulation Bricks
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Approx. Price: Rs 65 / PieceGet Latest Price
Product Brochure

Product Details:

Size230 x 114 x 75 mm
MaterialCeramic
Usage/ApplicationIndustrial Furnace
ColorGrey
ShapeRectangular
Deals WithinDistrict
BrandK R Refractory

We offer wide array of Mica Insulating Bricks. Insulation Brick is highly demanded for high hardness & toughness, seamless finish and flame retardant.

Features:
  • Dimensionally accurate
  • Moisture free
  • Keeps the area cool
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Ceramic Insulation Bricks

Ceramic Insulation Bricks
  • Ceramic Insulation Bricks
  • Ceramic Insulation Bricks
  • Ceramic Insulation Bricks
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Approx. Price: Rs 30 / PieceGet Latest Price
Product Brochure

Product Details:

Size230 x 114 x 65 mm
MaterialCeramic
Usage/ApplicationIndustrial Furnace
ColorGrey
ShapeRectangular
Deals WithinState
BrandK R Refractory

We offer wide array of Mica Insulating Bricks. Insulation Brick is highly demanded for high hardness & toughness, seamless finish and flame retardant.

Features:


  • Dimensionally accurate
  • Moisture free
  • Keeps the area cool

Specifications:

Properties

Grade A
[JRI-A]

Grade B
[JRI-B]

Grade C
[JRI-C]

Bulk Density (gm/cc, max.

1.00

0.90

0.75

Apparent Porosity (%, min.)

60

60

65

Cold Crushing Strength (kg/cm2, min.)

20

15

7

Pyrometric Cone [ASTM] No. (min.)

32

27

-

Suitable for temperatures upto (ºC)

1500

1250

850

Thermal Conductivity at Hot Face temperature of 600ºC (kcal/m/hr/ºC, max.)

0.35

0.23

0.20

PLCR (ºC/3 hours, max.)

±1.5 at 1250ºC

±1.5 at 1200ºC

±1.5 at 1000ºC

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White Insulation Bricks

White Insulation Bricks
  • White Insulation Bricks
  • White Insulation Bricks
  • White Insulation Bricks
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Approx. Price: Rs 100 / PieceGet Latest Price
Product Brochure

Product Details:

Usage/ApplicationSide Walls
Size24 in x 8 in x 8 in
ColorWhite
ShapeRectangular
DesignSolid
Resistance DurabilityWater Resistant, Heat Resistant
BrandK R Refractory

We manufacture and export huge amount of Calcium Silicate Blocks that are available in various sizes and in powdered form. This is a hard and solid product which is known for its high compressive strength and for does not shrink or crack under high temperatures. Further, these blocks can also be cut according to exact requirement asked by the client and their strength & hardness are a result of the calcium content of this material.

Features:
  • Long lasting
  • Resistant to extreme temperatures
  • Excellent thermal resistance
  • Fire resistant
  • Good mechanical strength
  • Rigid as well as light weight
  • Grade Standard: Technical Grade
  • Physical State: solid
  • Packaging Type: Corrugated Box
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Solid Insulation Bricks

Solid Insulation Bricks
  • Solid Insulation Bricks
  • Solid Insulation Bricks
  • Solid Insulation Bricks
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Approx. Price: Rs 100 / PieceGet Latest Price
Product Brochure

Product Details:

Usage/ApplicationSide Walls
Size24 in x 8 in x 8 in
ColorGrey
ShapeRectangular
DesignSolid
Resistance DurabilityFire Resistant, Heat Resistant, Water Resistant
BrandK R Refractory

We manufacture and export huge amount of Calcium Silicate Blocks that are available in various sizes and in powdered form. This is a hard and solid product which is known for its high compressive strength and for does not shrink or crack under high temperatures. Further, these blocks can also be cut according to exact requirement asked by the client and their strength & hardness are a result of the calcium content of this material.

Features:
  • Long lasting
  • Resistant to extreme temperatures
  • Excellent thermal resistance
  • Fire resistant
  • Good mechanical strength
  • Rigid as well as light weight
  • Grade Standard: Technical Grade
  • Physical State: solid
  • Packaging Type: Corrugated Box
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Grey Insulation Bricks

Grey Insulation Bricks
  • Grey Insulation Bricks
  • Grey Insulation Bricks
  • Grey Insulation Bricks
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Approx. Price: Rs 100 / PieceGet Latest Price
Product Brochure

Product Details:

Usage/ApplicationSide Walls
Size24 in x 8 in x 8 in
ColorGrey
ShapeRectangular
DesignSolid
Resistance DurabilityWater Resistant, Heat Resistant, Fire Resistant
BrandK R Refractory

We manufacture and export huge amount of Calcium Silicate Blocks that are available in various sizes and in powdered form. This is a hard and solid product which is known for its high compressive strength and for does not shrink or crack under high temperatures. Further, these blocks can also be cut according to exact requirement asked by the client and their strength & hardness are a result of the calcium content of this material.

Features:
  • Long lasting
  • Resistant to extreme temperatures
  • Excellent thermal resistance
  • Fire resistant
  • Good mechanical strength
  • Rigid as well as light weight
  • Grade Standard: Technical Grade
  • Physical State: solid
  • Packaging Type: Corrugated Box
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Industrial Insulation Bricks

Industrial Insulation Bricks
  • Industrial Insulation Bricks
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Approx. Price: Rs 30 / PieceGet Latest Price
Product Brochure

Product Details:

Brick/Block ColorGrey
MaterialINSULATION
Usage/ApplicationIndustrial Furnace
ColorGrey
ShapeRectangular
For Use InSide Walls

We offer wide array of Mica Insulating Bricks. Insulation Brick is highly demanded for high hardness & toughness, seamless finish and flame retardant.

Features:


  • Dimensionally accurate
  • Moisture free
  • Keeps the area cool

Specifications:

Properties

Grade A
[JRI-A]

Grade B
[JRI-B]

Grade C
[JRI-C]

Bulk Density (gm/cc, max.

1.00

0.90

0.75

Apparent Porosity (%, min.)

60

60

65

Cold Crushing Strength (kg/cm2, min.)

20

15

7

Pyrometric Cone [ASTM] No. (min.)

32

27

-

Suitable for temperatures upto (ºC)

1500

1250

850

Thermal Conductivity at Hot Face temperature of 600ºC (kcal/m/hr/ºC, max.)

0.35

0.23

0.20

PLCR (ºC/3 hours, max.)

±1.5 at 1250ºC

±1.5 at 1200ºC

±1.5 at 1000ºC

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Callback
Yes! I am Interested

Mica Insulation Bricks

Mica Insulation Bricks
  • Mica Insulation Bricks
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Approx. Price: Rs 30 / PieceGet Latest Price
Product Brochure

Product Details:

MaterialMica
Usage/ApplicationIndustrial Furnace
ColorOFF WHITE
ShapeRectangular
Size230 x 114 x 65 mm
Country of OriginMade in India

Insulation bricks, also known as insulating fire bricks (IFBs), are lightweight refractory bricks designed to provide high thermal resistance and low heat conductivity. They are commonly used in kilns, furnaces, and other high-temperature environments where heat retention and energy efficiency are important.

Types of Insulation Bricks
  1. Silica Insulating Bricks – High-temperature resistance, used in coke ovens and glass furnaces.
  2. Alumina Insulating Bricks – Made from alumina, used in high-heat applications.
  3. Clay Insulating Bricks – Lightweight and cost-effective for moderate temperatures.
  4. Ceramic Fiber Bricks – Made from ceramic fibers, offering excellent thermal shock resistance.
  5. Lightweight Mullite Bricks – High-strength bricks with excellent thermal insulation properties.
Key Features
  • Low Thermal Conductivity – Reduces heat loss and improves energy efficiency.
  • Lightweight – Easy to handle and install.
  • High Porosity – Enhances insulation performance.
  • Good Thermal Shock Resistance – Can withstand rapid temperature changes.
  • High-Temperature Resistance – Can endure temperatures ranging from 1,200°C to 1,800°C, depending on the type.
Common Applications
  • Furnaces & Kilns – For heat containment and energy conservation.
  • Fireplaces & Pizza Ovens – To retain heat for efficient cooking.
  • Boilers & Incinerators – For heat insulation and structural integrity.
  • Metallurgical & Glass Industries – To maintain stable high-temperature environments.
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Vanraj (Owner)
K R Refractory
406, Aditya Plaza, Near Jodhpur Cross Road
Satellite, Ahmedabad - 380015, Gujarat, India
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