Corrugated Zinc Sheet Invisible Mosquito Screen - Rock wool pipe – Perfect

Rock wool pipe section is made through some mould and cured by high temperature. It is widely applied to insulation of various industrial boilers and equipment pipelines, such as petroleum, chemical industry, metallurgy, shipbuilding, textile, etc. Water-proof rock wool pipe section has special function of moisture-proof, temperature reduction etc.

Rock Wool Pipe Section Standard Specification

Inner Diameter

Wall Thickness

inch

mm

25

30

40

50

60

70

80

90

100

125

140

150

175

200

1/2″

22

3/4″

28

1

34

 1-1/4

43

 1-1/2

48

2

60

 2-1/2

76

3

89

 3-1/2

108

4

114

 4-1/2

133

5

140

 5-1/2

159

6

169

7

194

8

219

9

245

10

273

11

300

12

325

13

340

14

356

15

377

16

409

17

430

18

460

19

486

20

508

21

530

22

562

23

580

24

610

25

630

25.5

644

26

660

27

680

28

710

29

760

32

820

Rock Wool Pipe Section Technical Data

Technical Property

Unit

Technical Index

Remarks

Thermal conductivity

W/(m·k)

≤0.040

GB/T 10295

Max Service Temp.

°C

≤600

ASTM C411

Dregs content (particle≥0.25mm)

%

≤12.0

GB11835-98

Incombustibility

-

Non-flammable A

GB/T8624

Average fiber diameter

μm

4-7

GB11853

Density tolerance

%

±10

GB/T5480

Thermal load contract
Tem (product density≥60kg/m3)

°C

400

GB/T11835

Acid coefficient

-

≥1.8

GB/T5480

Water absorption

Kg/m2

≤0.5

GB/T 25975

Water repellence

%

≥98

GB/T 10299

Melting Point

°C

≥1000

DIN4102-17

Environment

-

Asbestos free

-