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Water Resistant is a common mark stamped on the back of wrist watches to indicate how well a watch is sealed against the ingress of water. It is usually accompanied by an indication of the static test pressure that a sample of newly manufactured watches were exposed to in a leakage test. The test pressure can be indicated either directly in ...
Waterproof fabric. Waterproof fabrics are fabrics that are, inherently, or have been treated to become, resistant to penetration by water and wetting. The term "waterproof" refers to conformance to a governing specification [1] and specific conditions of a laboratory test method. They are usually natural or synthetic fabrics that are laminated ...
Durable water repellent, or DWR, is a coating added to fabrics at the factory to make them water-resistant ( hydrophobic ). Most factory-applied treatments are fluoropolymer based; these applications are quite thin and not always effective. Durable water repellents are commonly used in conjunction with waterproof breathable fabrics such as Gore ...
Waterproofing is the process of making an object, person or structure waterproof or water-resistant so that it remains relatively unaffected by water or resisting the ingress of water under specified conditions. Such items may be used in wet environments or underwater to specified depths. Water-resistant and waterproof often refer to resistance ...
An improvised tent using polytarp as a fly Abandoned homeless shelter using plastic tarp. A tarpaulin (/ t ɑːr ˈ p ɔː l ɪ n / tar-PAW-lin, also US: / ˈ t ɑːr p ə l ɪ n /) or tarp is a large sheet of strong, flexible, water-resistant or waterproof material, often cloth such as canvas or polyester coated with polyurethane, or made of plastics such as polyethylene.
The IPX7 water resistance (unique among smartphones in its price range at the time) was also praised by reviewers. Ars Technica proclaimed "the fact that the Moto G is so competent drives home the superfluousness of so many flagship phone features—the move from 720p to 1080p to 1440p and beyond, faster SoCs, ever-thinner metal-and-glass slabs.
In industry, the various grades of sodium silicate are characterized by their SiO 2 :Na 2 O weight ratio (which can be converted to molar ratio by multiplication with 1.032). The ratio can vary between 1:2 and 3.75:1. [1] Grades with ratio below 2.85:1 are termed alkaline. Those with a higher SiO 2 :Na 2 O ratio are described as neutral.
Water resistance may refer to: The WR mark on a wristwatch indicating its ability to withstand exposure to water. The IP code on a mechanical or electrical enclosure indicating its ability to resist the ingress of water. Wet strength, a measure of the strength of paper when wet. Waterproofing, making objects or structures resist the ingress of ...