Apiezon Wax (EMS)

The Apiezon range of waxes features three products including the popular Apiezon Wax W, also known as 'Black Wax'. All three waxes in the Apiezon range can be used as permanent or semi-permanent vacuum sealants or mounting media. Apiezon Wax W is also a perfect etch resist.Versatile products suitable for a multitude of usesEtch resist (Wax W only)First-rate vapour pressure characteristicsHigh purity combined with powerful gettering & clean meltdown propertiesExcellent waterproof mediaEasy to use and to remove10 year shelf lifeApplicationsApiezon Wax W: Hard Vacuum Sealing / Mounting Wax, Etch ResistApiezon Wax W100: Medium Hardness Vacuum Sealant / Mounting WaxApiezon Wax W40: Soft Vacuum Sealant / Mounting WaxWaxes & Q Compound Properties

The Apiezon range of waxes features three products including the popular Apiezon Wax W, also known as 'Black Wax'. All three waxes in the Apiezon range can be used as permanent or semi-permanent vacuum sealants or mounting media. Apiezon Wax W is also a perfect etch resist.

  • Versatile products suitable for a multitude of uses
  • Etch resist (Wax W only)
  • First-rate vapour pressure characteristics
  • High purity combined with powerful gettering & clean meltdown properties
  • Excellent waterproof media
  • Easy to use and to remove
  • 10 year shelf life

Applications

  • Apiezon Wax W: Hard Vacuum Sealing / Mounting Wax, Etch Resist
  • Apiezon Wax W100: Medium Hardness Vacuum Sealant / Mounting Wax
  • Apiezon Wax W40: Soft Vacuum Sealant / Mounting Wax

Waxes & Q Compound Properties

Typical Properties Wax W  Wax W100 Wax W40 Q Compound
Approximate softening point 80 to 90°C
50 to 60°C
40 to 50°C
40 to 50°C
Est. vapour pressure
@ 20°C
4.5 x 10-9torr 4.5 x 10-9Torr 6 x 10-8Torr 1 x 10-4Torr
Temp for application 130°C
110°C
90°C
Ambient
Working temperature range -10 to 75°C
-10 to 45°C
-10 to 35°C
-10 to 30°C
Water permeability
 @ 25°C
0.8x10-8g/cm/hr/mm Hg 1.6x10-8g/cm/hr/mm Hg 1.6x10-8g/cm/hr/mm Hg N/A
Thermal conductivity
@ 20°C
0.189W/m°C 0.170W/m°C 0.177W/m°C N/A
Specific heat @ 25°C 1.8J/g 2.7J/g 2.9J/g 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 10-15Ω cm 1.64 x 10-15Ω cm 5.06 x 10-15Ω cm N/A

Apiezon Wax Brochure

W wax MSDS

W40 wax MSDS

W100 wax MSDS

Updated: 21-05-2025
Code Style Pack Size Availability Price Updated: 21-05-2025
M1-W-00500-X W 500g 0 in stock (?) $412.00 AUD
M1-W100-00250-X W100 250g 0 in stock (?) $401.00 AUD
M1-W40-00250-X W40 250g 0 in stock (?) $401.00 AUD