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CALCIUM SILICATE BOARD
CALCIUM SILICATE INSULATION PRODUCTS (650/1000/1100°C)
Calcium silicate board is an asbestos-free thermal insulation product that can withstand continuous operating temperature from650C up to1100C. It is light weight, low thermal conductivity, high strength, easy to install, reliable and durable. There are 2 grades available namely 650 &1000 & 1100 which are commonly used as furnace backup insulation in steel, petrochemical, ceramic, cement & glass industry




CALCIUM SILICATE INSULATION PRODUCTS (1000°C)

 

Item

Unit

Index

YT-170

YT-220

Bulk Density (max)

Kg/m3

170

220

Flexural Strength (min)

Mpa

0.3

0.35

Compressive Strength (min)

at 5% deformation

 

Mpa

 

0.6

 

0.7

Linear shrinkage (max)

after heating for 16hrs at 650°C

 

%

 

2

 

2

Thermal conductivity (max)

Average temperature 70°C

 

w/m.k

 

0.055

 

0.058

Service Temperature (max)

°C

1000

1000

 DIMENSION

 

 

 

Board

 

 

Length x Width

610 x 150 mm

 

 

Thickness 25 – 75 mm

610 x 300 mm

610 x 305 mm

915 x 305 mm

1000 x 500 mm

Curved Sheet

Inside diameter

196 – 3560 mm

Thickness 25-75mm

Length

600mm, 610mm, 915mm

Piper Cover

nside diameter

16 – 171 mm

Thickness 25-75mm

Length

600mm, 610mm, 915mm

 

TOLERANCE FOR DIFFERENT SHAPED PRODUCTS

 

          Item

 

Specification

Allowable Dimension Tolerance (mm)

Length

Width

Inside Dia

Thickness

Board

+ 3

- 2

+3

- 2

 

+ 3

- 2

Curved Sheet

+ 3

- 2

+ 5

- 0

+0

- 2

Piper Cover

+ 3

- 2

+ 3

- 0

+0

- 2

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