Varnish Hiding Power Test Card

Varnish hiding power card is a specialized cardboard used to test the hiding ability of varnish. The principle involves evenly coating the varnish on a black-and-white grid paper base and evaluating the hiding effect by observing the degree of disappearance of the grid boundaries. It is used to quickly assess hiding performance during paint production, guiding formula adjustments and controlling application thickness.
Selection
When selecting, pay attention to a sharp black-and-white contrast on the paper base, with moderate coating absorption to avoid excessive penetration. The thickness of the cardboard should ensure it remains flat without curling, and the surface coating should be uniform and free of defects. Match the absorption speed of the cardboard to the type of varnish being tested, using high-opacity cardboard for dark varnishes. Store in a dry place away from light.

Terms

Instruments

Measurement range 0~ 100, repeability accuracy 0.3%, Permissible Ambient Temperature 20 ° +/- 5 ° C, suitable for film hiding power testing.

$ 369.00

With 45/0 reflectance and hiding power test function, repeability 0.2%, repRoducibility 0.5%, automatic calibration and correction of black and white board values, support USB data transmission and statistical mode.

$ 646.00

Used for paint film hiding power measurement and reflectance measurement, indication interval 0-100, Repeatability 0.3%, in line with national standards GB/T13452.3, GB9270, GB5211.

$ 490.00

Using 25 × 25mm ² 32 grid design, Glass plate thickness 1.2~ 2mm, through the standard Checkerboard test can accurately calculate the Coating hiding power, easy and fast operation.

$ 128.00

The black and white half design is easy to observe the covering effect, the size is 194 * 260mm to meet the standard test requirements, and the non-Laminating surface ensures the detection accuracy, which is suitable for laboratory film performance evaluation.

$ 93.00

Adopt 0 ° illumination diffuse reflection reception principle, Repeatability ≤ 0.3, Indication Error +/- 1.0, suitable for white and shallow Paints hiding power measurement, easy and portable operation.

$ 501.00

Using non-fluorescent paper substrate, white reflectance 80 +/- 2, black reflectance < 1, Laminating design enhances Curl resistance, 0.1 square Meter standard area is suitable for spreading rate testing.

$ 91.00

White part reflectance 80 +/- 2, black part reflectance less than 1, surface smoothing anti-Curl, suitable for 0.1 square Meter spreading rate test, wettability is good for checking.

$ 89.00

Using film lamination technology, with excellent solvent and chemical resistance, paper Film thickness 0.29mm, surface Laminating to ensure Spreader uniformity, with annotation section for easy recording of test data.

$ 306.00

The equipment performs 180 ° reciprocating folding test at a fixed speed of 87 times/minute, supports a variety of sample sizes (longest 88mm, widest 63mm), the thickness is suitable for materials ≤ 0.5mm, and is equipped with numerical control display to monitor the number of folds in real time.

$ 2494.00

45/0 ° irradiation angle with 12 * 17mm elliptical measurement aperture, accuracy of 1.5%, no need for zero point calibrating, ultra-small design is easy to carry, special moisture-proof process to adapt to harsh environments.

$ 444.00

Using film lamination technology, with excellent chemical resistance and uniform Spreader effect, paper Film thickness 0.29mm and surface Laminating, with a dedicated annotation area for easy recording of test data.

$ 318.00

Checkerboard pattern design, black part reflectance below 1%, white part reflectance 80 +/- 2, Laminating structure enhanced anti-Curl ability, size 195 × 286mm, suitable for fast Spreader testing.

$ 91.00

Glass material can be used for repeatability, Checkerboard size 25x25mm, shape 250x100mm, in line with the national standard GB/T1726, durable and accurate test.

$ 143.00

Adopt 0 ° illumination diffuse reflection reception principle, indication interval 0-100, Repeatability 0.3%, support contrast ratio automatic calculation, equipped with standard plate and working ceramic plate to ensure Measurement accuracy.

$ 299.00

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