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All Categories > Sag and Leveling Test Charts & Applicators > Leneta Leveling Test Blade and Standards  
 

Leneta Leveling Test Blade and Standards


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Leneta Leveling Test Blade and Standards

Leneta Leveling Test Blade



This is a threaded stainless steel rod that functions as a grooved doctor blade at any part of its circumference. It produces a film with parallel ridges and valleys in simulation of brush marks. Critical dimensions are indicated in the diagram. Plastic arms in conjunction with straight-edge guides assure rectilinear drawdown movement. Advantages over brushout application tests are speed, reproducibility, and a regular surface pattern that facilitates evaluation. The leveling of films applied in this manner correlates well with brushout leveling.

The diagram shows alternating clearances of 300 and 100 µm (12 and 4 mils), to apply alternate stripes of 150 and 50 µm (6 and 2 mils) thickness. Thus the mean wet ...
Leneta Drawdown Levelness Standards

Leneta Drawdown Levelness Standards



These are 3-dimensional true scale replicas of drawdowns made with the Leneta Leveling Test Blade, using a series of nine paints ranging from extremely poor to good leveling. The primary standards are durable metal plates from which replicas are pressed in the form of 3 x 5 in (75 x 125 mm) white vinyl panels. They are numbered 1 through 9 from poorest to best leveling. Perfect leveling is 10 and poorer than 1 is zero. Evaluation of drawdowns prepared with the Leneta Leveling Test Blade is readily accomplished by visual comparison in oblique light. The number of the matching standard is the Leveling Value of the paint.
DP-2d

Leveling Test Drawdown Plate



This drawdown plate was designed for use with the Leneta Leveling Test Blade in ASTM Method D 4062. Its construction features include edge guides, to assure that straight parallel stripes are obtained from the rapid blade movement called for in the test method. It also includes peg stops that automatically terminate the blade movement in the correct location at completion of the drawdown.

Consider using Item DP-1 Drawdown Plate with Item SE-1 Straight Edge as a substitute for the DP-2.
CP-2

Catch-Papers



These are sealed sheets 3 x 7-1/4 inch, nominally 3 mil thick, with a 1/2 inch hole at one end. The CP-2 is designed specifically to be used with the DP-2 Leveling Test Drawdown Plate to catch the remaining coating at the end of a drawdown.
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