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Item

SiO2

MgO

Fe2O3

Al2O3

CaO

K2O

H2O

PH

Content %

37-42

11-23

3.5-18

9-17

1-2

5-8

5-11

7-11

Size

(MM)

Density

(G/ML)

Specification

(%)

Moisture

?(%)

Impurity

(%)

Expansion

rate

(ML/G)

0.5-1

0.7-1.1

85min

5max

8max

4min

1-2

0.8-1.1

85min

5max

8max

7min

2-4

0.8-1.1

85min

5max

10max

8min

Model

Size (MM)

Expansion rate

(ML/G)

Impurity

(%)

Moisture

?(%)

Sand Content

(%)

SWT-3

3-8

5min

15max

<3

<15

SWT-4

1.5-2.5

5min

10max

<3

<15

SWT-5

0.3-1

5min

8max

<3

<15

SWT-6

0.1-0.5

4min

-

<3

-

Bulk Density

(KG/M3)

Thermal Conductivity

(W/{M·K})

Fire-Proof

(°C)

Temperature in Use

(°C)

Water Absorption

(%)

Anti-freezing

?

Sound Absorption

?

Corrosion Resisting

?

60-200

0.047-0.081

1300-1350

900-1000

26.5-40.6

The parcicle size has no change,when it is freezed 15 times under -20°C.

0.53-0.63

Alkali-resisting