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Insulated Copper Tubes

Nature of Heat Insulator

Test

Unit

Onside of insulator

Inside of insulator

Tensile Strength

N/mm [kg/cm2]

31.5x10[3.2]

29.5x10[3.0]

Elongation

%

70

100

Compression strain

%(25%)

3.4

6

Water-absorbing capacity

G/ m2

0.003

0.008

Conductivity factor

W/(m.k) [kcal/m2h°C]

0.040[0.035]

0.038[0.033]

Temperature of heat resisting

°C

-40°~120°

-40°~120°

Standard size (inch)

Type

Size
d2xt2/d1xt1

O.D. of the tube d1d2d3

Thickness of Insulator T1t2t3t4

Length

Material

Weight Pounds/feet

-P2320

1/4"x0.032


3/8"x0.032

1.02" 0.87" 1.89"

0.35" 0.2"

30ft ~100ft

0

0.233

-P2330

1/4"x0.032


1/2"x0.032

1.30" 0.87" 2.17"

0.394" 0.2"

30ft ~ 100ft

0

0.286

-P2420

1/4"x0.032


3/8"x0.039

1.42" 0.87" 2.29"

0.394" 0.2"

30ft ~ 100ft

0

0.390

-P2520

1/4"x0.032


5/8"x0.032

1.42" 1.02" 2.44"

0.394" 0.2"

30ft ~ 100ft

0

0.440

-P3620

3/8"x0.0329


3/4"x0.039

1.54" 1.02" 2.56"

0.394" 0.2"

30ft ~ 100ft

0

0.569

-P4620

1/2"x0.032


3/4"x0.039

1.54" 1.30" 2.84"

0.394" 0.2"

30ft ~ 100ft

0

0.629

^Here is x=*

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