pvc type membrane

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• Membrane roofing — is a type of roofing system for buildings. It is used on flat or nearly flat roofs to prevent leaks and move water off the roof. Membrane roofs are most commonly made from synthetic rubber, thermoplastic (PVC or similar material), or modified… …   Wikipedia

• Vinyl roof — refers to a vinyl covering for an automobile s top. This covering was originally designed to give the appearance of a convertible to models with a fixed roof, but eventually it evolved into a styling statement in its own right. Vinyl roofs were… …   Wikipedia

• Coarse bubble diffusers — PVC MaxAir coarse bubble diffuser in concrete basin. Courtesy of Environmental Dynamics Inc. Coarse bubble diffusers are a pollution control technology used to aerate and or mix wastewater for sewage treatment. They produce 1/4 to 1/2 inch… …   Wikipedia

• Flat roof — A flat roof is a type of covering of a building. In contrast to the sloped form of a roof, a flat roof is horizontal or nearly horizontal. Materials that cover flat roofs should allow the water to run off freely from a very slight… …   Wikipedia

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• Hypertrophic cardiomyopathy — Classification and external resources ICD 10 I42.1–I42.2 ICD 9 …   Wikipedia

• plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …   Universalium

• industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

• Fabric structure — Fabric structures are architecturally innovative forms of constructed fibers that provide end users a variety of aesthetic free form building designs. Custom made fabric structures are engineered and fabricated to meet worldwide structural, flame …   Wikipedia

• Phthalate — Phthalates, or phthalate esters, are esters of phthalic acid and are mainly used as plasticizers (substances added to plastics to increase their flexibility). They are chiefly used to soften polyvinyl chloride. Phthalates are being phased out of… …   Wikipedia

• Diaphragm valve — Diaphragm valves (or membrane valves) consists of a valve body with two or more ports, a diaphragm, and a saddle or seat upon which the diaphragm closes the valve. The valve is constructed from either plastic or steel. Originally, the diaphragm… …   Wikipedia