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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.
Gardco signature Zahn cups and Gardco EZ Zahn cups use different conversions. [1] Ascott Zahn Cups are based on measuring the Flow of liquid in seconds. Results should be reported in Zahn-Seconds at a specified temperature for a particular cup. [2] To convert Zahn-Seconds to centistokes, refer to ASTM D4212, D816, and D1084
Determining the fineness of a paint's grind is important, because too coarse a grind may reduce the paint's color uniformity, gloss, and opacity. [7] The Hegman gauge is widely used for this purpose because it requires minimal skill and only a few seconds' work.
The siblings recalled their childhood during a mini episode of their 'New Heights: Heights Hotline' podcast on Wondery+
Stain-blocking primers are used to cover stains such as watermarks, nicotine (actually tar), markers, smoke, and prevent them bleeding through newly applied layers of paint. They also provide adhesion over problematic surfaces, giving better film leveling, and durability. Commonly used stain-blocking paints include acrylic and alkyd.
Sure, you might've seen a sloth before. But have you ever heard their noises? It's something you really have to experience for yourself. The clip shows several baby sloths making tiny squeaks ...
Last year was the planet’s hottest in recorded history, multiple government agencies announced Friday, marking two years in a row that global temperatures have shattered records. Scientists with ...