KUNDAN REFRACTORIES
Mica Insulating Bricks

Mica Insulating Bricks

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With the support of our high-ranking officials, we are able to offer supreme grade Mica Insulating Bricks. These bricks are manufactured by our well-trained professionals by making use of quality raw-materials, sourced from the trustworthy vendors of the market. These bricks provide insulation from heat and rain, thus adding durability to the structure. Keeping in mind the various requirements of our customers, we are able to offer these Mica Insulating Bricks in many sizes and dimensions.

Features:

  • Durable
  • Dimensionally accurate
  • Weatherproof

Light weight mica insulating bricks have inalienable protection qualities, which sire amazing heat productivity in every of the vessels, furnaces and so on, where these are utilized. The fundamental elements of the blocks are to diminish loss of thermal, low fuel utilization as well as heat storage; to keep consistency of thermal in a heater as well as keep up low fuel utilization to prevent risks to manual working. Our insulating bricks additionally accomplish investment funds up to 30% on fuel prices and in addition, 40% on planning time. The compensation back period is low naturally. Further, our insulating bricks are accessible in assortment of shapes, sizes and grades to meet any prerequisite. 

Further Details:

Mica Insulating Bricks  (IS-2042)
Properties Grade A
[KRI-A]
Grade B
[KRI-B]
Grade C
[KRI-C]
Bulk Density (gm/cc, max.) 1 0.9 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 0.2
PLCR (oC/3 hours, max.) ±1.5 at 1250oC ±1.5 at 1200oC ±1.5 at 1000oC
NOTE:
Provided above are average test data, subject to reasonable variations
MICA INSULATING BRICKS
Properties Grade A
[KRMI-A]
Grade B
[KRMI-B]
Grade C
[KRMI-C]
Bulk Density (gm/cc) 0.475 ~ 0.530 0.570 ~ 0.630 0.7
Apparent Porosity (%, min.) 80 75 72
Cold Compressive Strength (kg/cm2, min.) 7 9 12
Thermal Conductivity
(kcal/m/hr/oC, max.)
400oC 0.11 0.14 0.16
600oC 0.14 0.16 0.175
800oC 0.16 0.175 0.19
PLC (% at oC for 5 hours) -1.5 at 950oC -1.5 at 1000oC
Maximum Safe Working Temperature (oC) 1000 1050 1050
Al2O3 (%) 36
SiO2 (%) 48
Fe2O3 (%) 2
NOTE:
Provided above are average test data, subject to reasonable variations