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Line Drying Time Recorder

Line Drying Time Recorder

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.

Biuged offers a versatile drying time recorder to help quantify the various stages of film curing and drying, deliver reproducible results, and guarantee highest efficiency：

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 48 h.

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.

1. Evaporation of solvent： deep pear-shaped impression

2. Sol-gel transition： continuous track

3. Surface dry： interrupted track

4. 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
	Ordering Information：
	BGD 261---Line Drying Time Recorder
	BGD 203---Cube Applicator(see Application)
	BGD 2602---Glass strips(pack of 60)

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）

Typical Test Result

Viscosity

Original Coating Performance

Application

Color/Gloss/Thickness

Adhesion/Hardness/Flexibility

Impact/Abrasion/Tensile

Ink and Printing Instruments

Balance/Oven/Water Bath

Dispersing/Mix/Mill/Grind

Weathering Tester

Tools

Testing before Spraying

Test Substrates

Standard Expendable Items

Equipments

Petroleum Tester

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