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連絡先担当者 Boswell
Chongqing, Chongqing
Purpose:
The instrument is designed and made
as per the National Standard GB/T ***8 Test Methods for Ductility
of Petroleum Asphalt, and T***5 Asphalt Ductility Test in the
Industry Standard JTJ**2 Specification and Test Methods of Bitumen
and Bituminous Mixture for Highway Engineering. It is suitable to
determine the length of petroleum asphalt when it is dragged to
broken at certain speed under stipulated condition and temperature.
It is indicated by cm.
Technical characteristics
1. It integrates achievements of domestic and overseas design
concepts on ductility tester. It is advanced and delicate.
2. There is no thread rod, guide rail and other device in the test
trough, so it is convenient to install test sample.
3. Equipped with newly designed driving parts, it is stable and
synchronous without shake during dragging procedure. The dragging
speed is uniform and the ductility is accurate.
4. It can make determination for 3 pieces of sample at the same
time.
5. It adopts digital temperature controller, high precision sensor
and magnetic circulation pump, so the bath can be adequately
circulated and the controlling temperature is precise.
6. The test sample holder can return back automatically. It will
take about *0 min to return back for 1.5 meter distance.
Technical parameters:
1. Power supply: AC **0 V (*5%~**0%), *0 Hz;
2. Measurement range: 1.5 m (±*0mm);
3. Heating type: by an electric heater;
4. Heating power: ***0 W;
5. Bath circulation: by a magnetic circulation pump;
6. Temperature controlling range: 5~*9℃; digitally displayed;
7. Temperature controlling accuracy: ±0.1℃;
8. Dragging speed: two grades, *0 mm/min and *0 mm/min;
9. Measurement accuracy: ±1 mm;
*0. Ductility display: Controlled by microprocessor; digitally
displayed after data processing;
*1. Refrigeration type: by a compressor; input power is **0 W;
*2. Ambient temperature: **0~**5℃;
*3. Relative humidity: ≤*5%;
*4. Total power consumption: not more than ***0 W;