D721 Oil and Solvent in Wax

ASTM D721 – DIN 51571 – IP 158 – Oil Content of Petroleum Waxes

This test method covers the determination of oil in petroleum waxes having a congealing point of 30°C (86°F) or higher as determined in accordance with Test Method D938, and containing not more than 15 % of oil.

ASTM D3235 – Solvent Extractables in Petroleum Waxes

This test method covers the determination of solvent extractable in petroleum waxes.

Heating unit made in stainless steel composed by:

• Double layer structure with heating chamber
• Heating by irradiation bulb
• Inspection window in polymethylmethacrylate with open/close knob
• Collector for air distribution with 4 delivery position
• Digital thermoregulator with PT100 Class A for temperature monitoring
• Flowmeter with regulation valve
• Air supply system with integrated 15 l/min compressor

Cooling unit made in stainless steel composed by:

• Double layer structure with insulating material
• Internal stainless steel tank with plastic anti-condensing cover and 3 stand-by cover cap
• Filling hole with cover cap and thermometer holder
• Cooling connection with internal Nickel-plated serpentine