Search results
Results From The WOW.Com Content Network
Rosin can be mixed with beeswax and a small amount of linseed oil to affix reeds to reed blocks in accordions. Rosin potatoes can be cooked by dropping potatoes into boiling rosin and cooking until they float to the surface. [10] Rosin and its derivatives also exhibit wide-ranging pharmaceutical applications.
Glycerol ester of wood rosin (or gum rosin), also known as glyceryl abietate or ester gum, is an oil-soluble food additive (E number E445). The food-grade material is used in foods, beverages, and cosmetics to keep oils in suspension in water, [ 2 ] and its name may be shortened in the ingredient list as glycerol ester of rosin .
Tall oil, also called liquid rosin or tallol, is a viscous yellow-black odorous liquid obtained as a by-product of the kraft process of wood pulp manufacture when pulping mainly coniferous trees. [ 1 ] [ 2 ] The name originated as an anglicization of the Swedish tallolja ('pine oil'). [ 3 ]
Fielding notes that a number of different types of adhesives may be used in this process. Glue paste, beeswax, strong copal varnish, or a glue made from pounded cheese are all listed as acceptable materials to coat the back of the artwork with. [6] The main benefits of a pounded cheese-based paste is its water-resistance.
There are three types of rosin: gum rosin (from pine tree oleoresin), wood rosin (obtained by extraction of tree stumps), and tall oil rosin (obtained from tall oil, a byproduct of kraft paper process). Gum rosin has a milder odor and lower tendency to crystallize from solutions than wood rosin, and is therefore preferred for flux applications.
Danish oil being applied to a wooden plinth. Danish oil is a wood finishing oil, often made of tung oil or polymerized linseed oil. Because there is no defined formulation, its composition varies among manufacturers. Danish oil is a hard drying oil, meaning it can polymerize into a solid form when it reacts with oxygen in the atmosphere. It can ...
With the demise of wooden ships, those uses of pine resin ended, but the former naval stores industry remained vigorous as new products created new markets. First extensively described by Frederick Law Olmsted in his book A Journey in the Seaboard Slave States (1856), [3] the naval stores industry was one of the economic mainstays of the southeastern United States until the late 20th century.
Touchup in repair or restoration is only done with solvent based varnish. Drying oil such as walnut oil or linseed oil may be used in combination with amber, copal, rosin or other resins. Traditionally the oil is prepared by cooking or exposure to air and sunlight, but modern stand oil is prepared by heating oil at high temperature without ...