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Refractory alumina silicate pipe
Refractory alumina silicate pipe

1.High strength but low weight. 2.Lower thermal conductivity. 3.Good durability,can bear high temperature withing the limit.

 Refractory calcium silicate pipe :

1.High strength but low weight.2.Lower thermal conductivity.3.Good durability,can bear high temperature within the limit of continuous heat load.

4.Alumina silicate pipe

Application of refractory silicate pipe:

This products are used as thermal insulation in power stations,petrochemical plants,petroleum refineries,heat distributing systems and other process industries. The physical properties are as follows:

Physical properties of refractory calcium silicate pipe:

ItemUnitData
DensityKg/m3≤220
Compressive StrengthMpa≥0.688
Flexural strength(min.)Mpa≥0.35
Linear shrinkage(max)%≤2.0
Thermal conductivity(max.)w/m.k≤0.065
Service temp.(max)°C650-1000

Physical properties

Unit

Company Standard

National Institute of Standards

A-200

A-230

Volume density

Kg/

200(±10%)

230(±10%)

200230

Bending strength

Mpa

0.45

0.51

0.40

Compressive strength

Mpa

0.52

0.56

0.4

Thermal conductivity

W/m.k

0.0500.00011t

0.0530.00011t

0.055

The maximum temperature

 

1050

1050

1050

Line shrinkage

%

1.5(1050,3hrs)

1.5(1050,16hrs)

1.5(1050,16hrs)

1.5(1050,16hrs

Refractory alumina silicate pipe

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