Calcium silicate pipe cover insulation

Calcium silicate is used to insulate high-temperature pipes and equipment and for fire endurance applications. It is manufactured in three different forms: preformed block, preformed pipe, and board. It is noted for its high compressive strength, corrosion-inhibiting properties, and high-temperature structural integrity – 1,200°F (Type I, for pipe and block) or 1,700°F (Type II, fire endurance boards).

Calcium silicate is typically applied on high-temperature (greater than 250°F) pipe and equipment in industrial facilities, such as chemical plants, refineries, and steam electric power plants. Since it is a rigid material that has a relatively flat thermal conductivity curve, extremely high compressive strength, high flexural strength, a Class A rating for Flame Spread/Smoke Developed, and is noncombustible , it is widely used in high-temperature, industrial applications subject to physical abuse

Due to its high compressive strength (greater than 100 psi), high flexural strength (greater than 50 psi), and resistance to damage from tumbling, plus its ability to maintain those properties over time up to its rated 1,200°F, calcium silicate can withstand considerable physical abuse without loss of insulating efficiency. In addition, calcium silicate can withstand vibration induced by high-temperature steam flow around internal pipe obstructions, such as valve internals, measuring devices, and flow restriction orifices.”

ItemUnitNRCL-

HTB-200

JIS A-9510

No.1-22

ASTM C-533

No.2

DensityKg/m3<=240<=220<=240
Service

Temperature

°C

 

<=1000

 

<=1000<=871

 

Compressive

Strength

Mpa

(kgf/cm2)

>=0.84

(>=8.56)

>=0.414

(>=4.22)

Thermal

Conductivity

W/m.k

(70±5°C)

<=0.060<=0.062<=0.095

(204°C)

Linear Shrinkage

(982°C 24 h)

%<=2.0<=2.0<=2.5
Bending

Strength

Mpa

(kgf/cm2)

>=0.45

(>=4.59)

>=0.30

(>=3.1)

>=0.310

(>=3.162)

 

Standard size-Pipe Cover
Inside Diameter16mm(1/4”)-4800mm(188”)
Length600mm 610mm
Thickness25mm 30mm 40mm 50mm 60mm 65mm 70mm 75mm 80mm 90mm