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In the paint and coating industries, paint adhesion testing is often used to determine if the paint or coating will adhere properly to the substrates to which they are applied. Several tests measure the resistance of paints and coatings from substrates: cross-cut test, scrape adhesion, pull-off test , and others.
A test patch should be as clean as possible. Contamination of a patch can influence the results significantly. Bresle patch injected with 15ml water as in ISO 8502-6 Annex A. The ISO 8502-6 standard prescribes in annex A that certified patches shall be used. This annex describes a stress test to ensure patch adhesion and wash ability.
The paint fills the grooves, and the location where a regular, significant "pepperyness" in the appearance of the coating appears, marks the coarsest-ground dispersed particles. [3] This is the point where oversized particles start to appear in high density and determines the rating for that material. [ 4 ]
The penetrometer is dropped on the test subject or pressed against it and the depth of the resulting hole is measured. The measurements find whether the soil is strong enough to build a road on. Scientists also use a penetrometer to measure how much moisture is in soil.
Mar. 9—The COVID-19 pandemic forced wildlife agencies last fall to scale back their efforts to test for chronic wasting disease, the fatal neurological disorder that affects deer, moose and elk.
For the 2023 testing year in Wisconsin, 1,586 deer were CWD-positive out of 17,314 analyzed, or 9.2%, according to the DNR. The number and the percentage of positives were highest since the DNR ...
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Egg production in the U.S. dropped 4% in November as the price of eggs and cases of bird flu continue to rise across the country, according to a report from the U.S. Department of Agriculture ...