wrinkling


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wrinkling

[′riŋk·liŋ]
(materials)
Distortion occurring in a film of paint that gives the appearance of ripples.
Development of a roughened surface on a film of sealant. Also known as crinkling; riveling.
(metallurgy)
Waviness around the edges of a drawn metal product.

wrinkling, crinkling, riveling

1. The distortion in a paint film appearing as ripples; may be produced intentionally as a decorative effect or may be a defect caused by drying conditions or an excessively thick film.
2. The crinkling of the surface skin of a sealant; affects its appearance, but usually not its sealing capability.
References in periodicals archive ?
Choose a high-solids RTV silicone with low shrinkage to reduce wrinkling susceptibility.
It also is proposed that water immersion stimulates sympathetic nerve fibers, causing vasoconstriction of the palms and digits and ultimately leading to palmar wrinkling and the associated parasthesias.
In 1985, Dr Douglas Model reported a relationship between cigarette smoking and wrinkling - a condition he called "smoker's face", a condition readily recognised by untrained observers and even by children.
Wrinkling also may be seen when paint is applied over an uncured or partially cured coating.
No one has scientifically demonstrated a significant protection or reversal of wrinkling or photo-aging from foods or supplements that contain antioxidants," says Jeffrey Blumberg, Chief of the Antioxidants Research Laboratory at the Human Nutrition Research Center on Aging.
These surfaces contained numerous areas of wrinkling that increased both in extent and severity with decreasing pouring temperature.
Maintaining a firm contact with the Uni-Run fabric is the key to avoiding runnability problems and wrinkling in at dryer pocket.
A patent is pending on MAN's solution to wrinkling.
OTCBB:GNLK) the bioscience company announced today that a recent clinical trial showed that its Dermagenetics(TM) skin-care formulation significantly reduced the signs of skin wrinkling and skin-aging while outperforming a similar placebo creme.
Some amount of wrinkling is a result of ageing and probably inevitable; no matter what you do, you'll develop some lines if you simply live long enough.
Previously, scientists had suggested that urocanic acid causes wrinkling during exposure to longer wavelength, UVA radiation but suppresses the immune system when stimulated with short wavelength, UVC light.
In today's market, processors are running thinner, more delicate substrates at faster line speeds than ever before, significantly increasing the potential for creasing and wrinkling.