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Originally, spar varnish was a "long oil" varnish, composed primarily of drying oil with a small proportion of resin, usually boiled linseed oil and rosin. [1] This gave flexibility, [ 2 ] even though its weather resistance was still poor, and thus re-coating was required relatively frequently.
Spar varnishes are thus not necessarily the best choice for outdoor woodwork that does not need to bend in service. Despite this, the widespread perception of "marine products" as "tough" led to domestic outdoor varnishes being branded as "Spar varnish" and sold on the virtue of their weather- and UV-resistance.
Polyurethane synthesis, wherein the urethane groups −NH−(C=O)−O− link the molecular units A kitchen sponge made of polyurethane foam . Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links.
Urethane may refer to: Ethyl carbamate, a chemical compound which is an ester of carbamic acid; Polyurethane, a polymer composed of a chain of organic units joined by ...
SPAR, originally "DESPAR", styled as "DE SPAR" [2] (Dutch pronunciation: [də ˈspɑr]), is a Dutch multinational franchise that provides branding, supplies and support services for independently owned and operated food retail stores. [3] It was founded in the Netherlands in 1932, [4] by Adriaan van Well.
Varathan received positive reviews from critics who remarked that the film is an unofficial adaptation of Straw Dogs. [4] The performances of Fahad Faasil, Aishwarya Lekshmi and Sharafudheen received praise while climax and the action sequences received critical acclaim from the audience and the critics alike.