แผ่นมาตรฐานวัดความทึบแสง (Opacity Chart) ยี่ห้อ NEURTEK (SIT620)

Leneta charts have long been recognized as the industry standard throughout the world. We have earned our leadership position by producing charts that our customers depend upon for imperviousness to solvent and waterborne coatings, wettability, adhesion and surface smoothness. As the paint industry’s oldest and foremost supplier of paint test charts, we have the knowledge and experience to help customers select the most appropriate chart for their test applications. Worldwide representatives ensure prompt, reliable delivery.
Opacity Chart
Refers to charts on which the test pattern is a simple combination of black and white areas, large enough for wide aperture reflectance instruments, as well as for visual opacity and color observations. Leneta opacity charts comply with all test methods specifying charts of such design.
Avaiable different models:Form 3B is a black and white sealed opacity chart. The top and bottom are white, middle section is black. Overall dimensions are 7-5/8 x 11-3/8 in (194 x 289 mm).
The header includes a writable area for recording:Date, Time, Formula, Batch Number,Notes
A 1/4″ diameter hole is centered just under the top of the chart.

Form 5C is a black and white sealed opacity chart.
The top and bottom are white and the middle section is black. Overall dimensions are 7-5/8 x 10-1/4 in (194 x 260 mm).
The header includes a writable area for recording:Date, Time, Formula, Batch Number, Notes
A 1/4″ diameter hole is centered just under the top of the chart.

Form 14H is a black and white sealed opacity chart divided into 4 equal sections, the top most area is white, then black, then white and then black.
Overall dimensions are 11-1/4 x 17-1/4 in (286 x 438 mm).

Form 15H is a black and white sealed opacity chart.
The left and right sides are white while the middle section is black. Overall dimensions are 11-1/4 x 17-1/4 in (286 x 438 mm).

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