EASTM THERMAL INSULATING MATERIALS COMPANY LIMITED
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EASTM CELULLAR GLASS PIPE SECTION AND SLAB

Foam glass (Cellular glass): Cellular glass takes glass dust as the basic material. Adds foaming agent and roasts into being through tunnel kiln. It is the best low-temperature heat-insulation material at present in the world markets. It is noted for its low unit weight, minor thermal conductivity, asti-moisture absorption, asti-comoustion, asti-mouldy, high mechanical strength, easy processing, resisting all chemical condest except by drogen fluoride, poisonless, stable chemical function, able to be used in a wide scope from extrealy low to high temperature. Its excellent heat-insulation property can be last for many years without any degenerating. More important is that celluar glass itself is fireproof and shockproof. When it is used under such bad situations as extreamly coldness, under-earth, open, easily fired, easily be damp and having chemical corrodent. It is not only safe but durable. It is be called "permanent heat-insulation material that not need be replaced" So it is widely used in oil chemistry, cold storehouse, under-earth project, ship-building, national defence and military project etc.

Properties

Physical Index

Item

Unit

EASTM

ASTM-C552-91

Density

kg/m³

Min 110

Min 107

Max 145

Max 147

Maximum use temperature

 -270~+550

 -268~+427

Thermal conductivity                                      W/m K  at     

204

0.088

0.094

149

0.073

0.078

93

0.055

0.063

38

0.049

0.052

24

0.047

0.050

10

0.045

0.048

-18

0.041

0.044

-46

0.037

0.040

-73

0.032

0.037

-101

0.027

0.035

Flexural strength

kpa

550

448

Compressive strength

kpa

>430

>414

Linear expansion coefficient:

Wm/m

<8.1X10-6

<9X10-6

Moisture absorption rate

%

0.00

 

Water absorption rate per Volume

%

0.2

 

Standard size and packaging and Dimension tolerance

Class

Items

Sizes

Tolerances

Pipe section or slab

Length (mm)

1000, 610, 500,457,400,300

+3, -2

Inside diameter (mm)

16---3560

+3, -2

Thickness (mm)

25---180

+3, -2

Standard packaging

Polythene bags inside and Cardboard cartons outside




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