TDRF-1 Concrete Fast Freeze-thaw Chamber
Our company is the standard drafting unit of Building Materials Department of TDRF type concrete fast freeze-thaw chamber (device),and participated in the formulation of the standard of apparatus for resistance to freeze-thaw test of concrete of National Building Materials Academy.
This product is suitable for freeze-thaw tests on concrete, building bricks,ceramic bricks and other building materials. It meets the requirements of DL/T5150,50082, ASTM/C666, JTJ5 and other standards.
Main technical parameter：
1.Condenser cooling way：air-cooling
2.Number of test pieces (pieces) ：28
3.Specimen size(mm)：100×100×400，The temperature measuring parts are of the same size, and there are temperature measuring holes in the middle.
4.Freezing end time/test piece center temperature(℃)：1.5～2.5h/-17±2（New standard -18±2）
5.Melting end time/test piece center temperature(℃)：1.0～1.5h/8±2℃（New standard 5±2）
6.Freeze-thaw cycle：2．5～4h，The melting time is not less than 1/4 freeze-thaw cycle.
7.The temperature difference between the center and the surface of the specimen(℃)：＜28
8.Number of cycles：The standard is 300 times, and the number of cycles can be adjusted
9.Temperature recorder：LCD touch screen controller
10.Freeze-thaw cycle medium：-45°C antifreeze (1:1 mixed with water)
11.Amount of freeze-thaw cycle media charged（kg）： 90
12.Refrigerator compressor：Complete inlet closure
8.5HP
13.Specimen barrel size(mm)：115×115×490
14.Heating power(kW)：9
15.Maximum operating power(kW)：11
16.Voltage：AC380V±10%，50Hz
17.Overall dimensions(mm)：1870×1370×1000
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