Application:
The instrument is designed and made as per the requirements about penetrometer and its accessories stipulated in the National Standard GB/T 4985 "Test Methods for Needle Penetration of Wax".
v The needle penetration of wax is expressed as the depth that a standard needle of 100 g vertically penetrates into a wax sample without any measurable friction in 5 s at 25 ℃.
v The test temperature for wax penetration is 25 ℃ in general.
v Each wax penetration is 0.1 mm. It is directly shown on display.
Technical parameters:
v Timing selection: 5, 8, 10, 12, 30 or 60 s;
v Timing error: less than ±0.1 s;
v Penetration accuracy: ±0.1 penetration;
v Maximum penetration: 600 penetrations;
v Standard needle: 2.5±0.05 g;
v Constant temperature bath: made of harden glass;
v Mold: 25×32×3mm, a brass cylinder;
v Brass board: 65×40×6.5mm;
v Heating power: 220 W;
