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”.
1. 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 ℃.
2. The test temperature for wax penetration is 25 ℃ in general.
3. Each wax penetration is 0.1 mm. It is directly shown on display.
Timing selection: |
5, 8, 10, 12, 30 or 60 s;
|
Timing error: |
less than ±0.1 s;
|
Penetration accuracy |
±0.1 penetration;
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Maximum penetration: |
600 penetrations |
Standard needle |
2.5±0.05 g;
|
Constant temperature bath |
made of harden glass |
Mold: |
25×32×3mm, a brass cylinder;
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Brass board: |
65×40×6.5mm; |
Heating power: |
220 W;
|
Any questions, please contact us.
Email: sales@tbt-scietech.com;toni_gu@tbt-scietech.com
Tel: 86-25-8472 1577/8472 1579/8472 1907