PARAFIN WAX Dear friends, I was interested to write about paraffin wax longback when I was lighting candle lamps during last Karthika deepam on thecompound wall.
Recently there was some posting about the effect ofwaxed paper cups in which coffee is served in railway coaches and in teastalls. I had studied in detail how a candle function as anEnglish lesson in the high school class and the wax is called paraffin wax. Sincerely, Gopala krishnan 9-1-2011 Re posted on 5-01-2021 afterediting and updating information. R. Gopala krishnan 1.Carpenterand wax application I have seen the carpenters pressing the screw endsin yellow wax for easy screwing in to the wood. This wax used by them wasyellowish in colour. It had somedifference from candle wax, which was more brittle. 2. Candle wax In my child hood days I have seen candles to thesize of pen maximum. If more light is required more candles were lit. They weresnowish white in colour. Very late by 1990’s candles to the thickness of a ruler(about one inch or more) started appearing in market and in different colours.During the time of power cut these candles were more use full giving betterlight specially in kitchens. They had the added advantage of not falling downhaving more diameter area at the bottom for good sticking. 3. Burningcandle The positioning candle was a skill. The bottom hadto be slightly heated and pressed to surface where it will stick. During powercuts in hotels small candles were kept on dining tables in 1960’s. (It was aperiod of no emergency light and UPS supply) 4. Candlepower. The measurement of light is in units of standardcandle power light. 5. Wax idols I have recently seen at kanchipuram sankara matam,the idol of Periyaval made in wax. It made us the impression he is alive andsitting. So natural. About a few months back I had been to the wax museumin Ooty. There too I could see the wax models of our national leaders appearingnatural. 6.What is paraffin? In chemistry, paraffin is a term that can be usedsynonymously with "alkane", indicating hydrocarbons with the generalformula CnH2n+2. Paraffin wax refers to a mixture of alkanes. They are found inthe solid state at room temperature and begin to enter the liquid phase pastapproximately 37°C. The simplest paraffin molecule is that of methane, a gas atroom temperature. Heavier members of the series, such as octane and mineral oilappear as liquids at room temperature. The solid forms of paraffin, calledparaffin wax, are from the heaviest molecules from C20H42 to C40H82. Paraffinwax was identified by Carl Reichenbach in 1830. Paraffin, or paraffin hydrocarbon, is also the technicalname for an alkane in general, but in most cases it refers specifically to alinear, or normal alkane. 6a. Paraffin forKerosene oil It is distinct from the fuel known in the United Kingdom,Ireland and South Africa as paraffin oil or just paraffin, which is calledkerosene in most of the U.S., Canada, Australia and New Zealand. Paraffin wax is mostly found as a white, odourless,tasteless, waxy solid, with a typical melting point between about 47 °C and 64°C and having a density of around 0.9 g/cm3. (In short lesser weight than water and melt about 60%temperature of water BUBBLES appearing temperature is reached) It is insoluble inwater, but soluble in ether, benzene, and certain esters. Paraffin isunaffected by most common chemical reagents, but burns readily. 7. Electricalinsulator Pure paraffin wax is an excellent electrical insulator,with an electrical resistivity of between 1013 and 1017-ohm metre. 8.Dry wall use Paraffin wax (C25H52) is an excellent material to storeheat. This property is exploited in modified drywall for home buildingmaterial: it is infused in the drywall during manufacture so that, wheninstalled, it melts during the day, absorbing heat, and solidifies again atnight, releasing the heat. 9. Thermostats Wax expands considerably when it melts and this allows itsuse in thermostats for industrial, domestic and, particularly, automobilepurposes. 10. Change withadditives In industrial applications, it is often useful to modifythe crystal properties of the paraffin wax, typically by adding branching tothe existing carbon backbone chain. The modification is usually done withadditives, The branchedproperties result in a modified paraffin with a higher viscosity, smallercrystalline structure, and modified functional properties. Pure paraffin wax is rarely used for carving originalmodels for casting metal and other materials in the lost wax process, as it is relatively brittle atroom temperature and presents the risks of chipping and breakage when worked. 11. Mineral oil Liquid paraffin, or mineral oil, is a mixture of heavieralkanes, and has a number of names. One is medicinal paraffin, or saxol. It hasa density of around 0.8 g/cm3. Liquid paraffin (medicinal) is used to aid bowel movementin persons suffering chronic constipation; it passes through thegastrointestinal tract without itself being taken into the body, but it limitsthe amount of water removed from the stool. My note- Liquid paraffinis advised to apply to sole for sole pain. 12 Uses of paraffinwax Paraffin wax is used in manufacturing of Paints, Pigments,Dyes and Inks. In leather industry it is used for "pull up finish".In Laxatives it has application. Paraffin wax is used in toiletries and cosmetics as amoisturiser or emollient. Paraffin waxis widely used for Candle-making. It is used for coatings for waxed paper or cloth. It has application in crayons, surf boars, snow boards etc. Used as the basis for solid ink different colour blocks ofwax for thermal printers.The wax is melted and then sprayed on the paper producing images with a shinysurface. Blends of paraffin and micro waxes are used in rubbercompounds to prevent cracking of the rubber.Prevents oxidation on the surfaceof polished steel and iron. 12a.Food-gradeparaffin wax: (Read from wikipedia and told) Shiny coating of food grade paraffin wax is used in candymaking; although edible, it is non-digestible, passing right through the bodywithout being broken down. It hasapplication in Chewing gum additive. -- You received this message because you are subscribed to the Google Groups "Thatha_Patty" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. 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