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Main Properties of Apiezon® Waxes & Compounds

Physical Property

Wax W

Wax W100

Wax W40

Q Compound

Approximate
softening point,

°C
°F

80 to 90
176 to 194

50 to 60
122 to 140

40 to 50
104 to 122

40 to 50
104 to 122

Est. vapour pressure @

20°C /

68°F, torr

4.5 x 10-9

4.5 x 10-9

6 x 10-8

1 x 10-4

Temp for
application,

°C
°F

130
266

110
230

90
194

Ambient

Working temperature
range,

°C
°F

-10 to 75
14 to 168

-10 to 45
14 to 113

-10 to 35
14 to 95

-10 to 30
14 to 86

Water
permeability
g/cm/hr/mm Hg @

25°C

0.8 x 10-8

1.6 x 10-8

1.6 x 10-8

N/A

Pack

1kg block

250g tin

250g tin


1 kg

25 x 20g sticks

N/A

N/A

N/A

 

Thermal/Electrical Property

Thermal
conductivity @

20°C,
w/m °C

0.189

0.170

0.177

N/A

Specific heat
@

25°C,
J/g

1.8

2.7

2.9

N/A

Loss tangent

0.015

0.016

0.015

N/A

Permittivity

2.8

2.7

2.9

N/A

Volume
resistivity

6.31 x 10-15

1.64 x 10-15

5.06 x 10-15

N/A