Line Drying Time Recorder

Synonym : Linear Drying Time Recorder, Line Drying Time Recorder, Coatings Drying Time Recorder, Surface Drying Time

Description

Caltech India offers Line Drying Time Recorder. BGD 261 a versatile Linear Drying Time Recorder to help quantify the various stages of film curing and drying, deliver reproducible results, and guarantee highest efficiency.

The various stages of drying and curing that occur in films are easy to detect but difficult to define in terms of chemical and physical principles. In order to evaluate them correctly, it is necessary to use instrumentation under controlled conditions.

This reliable apparatus to test the drying time or gelation behavior of many paints and coatings, applied onto a glass strip of 300×25mm (12”×1”) by means of our cube applicator (BGD 203). Hemispherical needles travel on these test tracks, over a selected time: 6, 12, 24 and 48h.

The drying time stages can be easily assessed with the graduation scale (according to traverse speed configuration). The total time for every test can be observed from the LCD screen.

  • Evaporation of solvent: deep pear-shaped impression
  • Sol-gel transition: continuous track
  • Surface dry: interrupted track
  • Final dry time: the needle no longer penetrates the film

Main Technical Parameters:

  • Simultaneous testing of 6 samples – saves time
  • Four different speeds:6-12-24-48 hrs – for any application

Procedure:

  • Coat the glass strip using BGD 203 film applicator (order separately below)
  • The drying of the paint starts here. If you prepare multiple panels at different times, note the time when the draw down was made and add it to the time the sample is in the recorder
  • Place recorder bridge in starting position and put the strip in place
  • Place needles on the sample strip and select the speed by adjusting the speed switch
  • Turn the recorder on – the unit will automatically switch off at the end of the test
  • Evaluate the results (see figure at right)

Ordering Information:

BGD 261 Line Drying Time Recorder or Linear Drying Time Recorder
BGD 203 Cube Applicator (see Application)
BGD 2602 Glass strips(pack of 60)

In India, we have various customers from Mumbai, Delhi, Bangalore, Chennai, Hyderabad, Ahmedabad, Kolkata, Surat, Pune, Jaipur, Lucknow, Kanpur, Nagpur, Visakhapatnam, Indore, Bhopal, Patna, Vadodara, Ghaziabad, Ludhiana, Coimbatore, Madurai, Nashik, Srinagar, Aurangabad, Dhanbad, Allahabad and Ranchi in India.

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