Nitro lacquer cracks eyes

Nitrocellulose lacquer was also used as an aircraft dope, painted. Aug 04, 2018 here is a hentor sportscaster in black. Fundus changes at the initial examination were diffuse atrophy in 243 of 325 eyes 74. Once the learning curve is behind us, once the equipment is owned, its pretty easy to apply, very forgiving of mistakes the guitar turned out. Lacquer cracks observed in peripheral fundus of eyes with high. Mitsuki suga, kosei shinohara, and kyoko ohnomatsui. Nitro lacquer is brittle and glassy and its hard to avoid. I guess the reason they can sell it is because they have found some way to make it yet still be able to sell it over here in canada.

The epa also has iris, that should have information on the different solvents plus the doesresponse and exposure. Jan 29, 2018 nitrocellulose lacquer can give a beautiful finish if its used properly. Checking cracking a nitro guitar finish nitrocellulose. To investigate the relationship between simple hemorrhage sh associated with lacquer crack. Scraping and sanding, using kerosene as a lubricant for the sandpaper. Ok, call me morbid, but i was looking at 50s and 60s j45s over the weekend. The film does not level out completely because the lacquer dries before it can flow together. Feb 02, 2011 treatment for lacquer thinner splashed in eyes, after rinsing with water and sterile saline. I can now supply lacquer to most eu countries, although shipping is expensive. It is illegal in the uk for anyone under the age of 16 to attempt to purchase aerosol paints. In addition to online sales our trade counter is located in stockport, cheshire and is open to the public and trade customers.

Lacquer finishing problems nitrocellulose lacquers. Methodsthe authors studied 66 eyes 53 patients with lacquer cracks, using general ocular examinations and fluorescein angiography once every 3 to 12 months. Many of our colors are formulated to match those used by fender and gibson. Imo the feel and look of nitro outweighs the small downsides like checking and cracking. May 16, 2009 im with frank on this one my initial attempts at nitro spraying many years ago resulted in longitudinal cracks throughout the lacquer on swamp ash mainly and this was definitely a result of too much lacquer, too soon with too little thinner. This works best with nitrocellulose and cabacrylic lacquer. Longterm natural outcomes of simple hemorrhage associated. Clinically, they appear as fine, irregular yellow lines, single or multiple, linear or stellate, often branching and crisscrossing at the posterior pole, usually within an area of staphyloma. Lacquer cracks are present in high myopia and can lead to choroidal neovascularisation and macular haemorrhage, which in turn can cause central visual loss but it is not very common. Lacquer cracks observed in peripheral fundus of eyes with high myopia. Manufactured by among others dupont, the paint was also used on automobiles sharing the same color codes as many guitars including fender and gibson brands, although it fell out of favor for a number of reasons.

Nitrocellulose lacquer nc lacquer is still available in canada but short of musical instruments its really not used much any more but for this application its tough to beat. Inhalation exposure to nitrocellulose lacquer and related. Lacquer cracks are uncommon findings in the posterior pole of highly myopic eyes with a prevalence ranging from 4. Now that you have a clean and scratch free finish you can concentrate on filling the cracks. Looking for sources of nitrocellulose lacquer paint is it. At what point will our 2000 vintage models start to do the s. Prevention and management of myopia and myopic pathology iovs. According to each fundus lesion category, cnv developed in nine of 243 eyes 3. Surface looks as if the lacquer boiled and remained. Dec 09, 2014 when that happens, the wood expands at rates different than does the lacquer, and thats how nitro usually cracks.

This nitrocellulose lacquer is used to capture the neck finishes used by fender. All of them had fairly significant lacquer crazing, especially on the top sheet. Where the lacquer colour shows a darker shade on the right hand side, it represents the colour of the lacquer when sprayed over with my light tint gloss clearcoat. The eyes of men have a 2fold incidence of lacquer cracks as compared with those of women. The content on this site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It will allow great coverage without being applied very heavy and it is a great lacquer for instruments. Nitrocellulose lacquer is a material which has many uses both inside and outside the home. If youre going to be working with it, there are some things you should. Lacquer cracks are breaks seen in the peripheral fundus of the eyes of people with high myopia. Can you send lacquer to me in france, sweden, usa etc.

Weve heard of cases here where people claim to have opened a guitar in a warm home that was shipped during cold weather and to have seen the finish crack before their eyes. Ten eyes showed circumpapillary extension of the crescent. Retinal physician easily misdiagnosed retinal entities. One of the most disappointing of those is the tendency to check or crack with a sudden drop in temperature. A darker or lighter finish is controlled by how coats are applied.

When that happens, the wood expands at rates different than does the lacquer, and thats how nitro usually cracks. Ohio valley nitro offers a full line of nitrocellulose finishes in 16oz. I usually dont recommend trying to fix such checks, because they are often an inevitable part of the nitrocellulose lacquer aging process. Nitrocellulose lacquer is made by taking cotton and treating it with sulfuric and nitric acid, generating an acidic pulp, which can be strained to produce a watery resin. Too heavy of a film buildup of lacquer at one time. Lacquer cracks are found in the posterior fundus of 4. A discussion started in 2002 but continuing through 2019. Was returned by a very angry customer who stated that the shipping container had no physical damage. If youre going to be working with it, there are some things you should know.

The progression of lacquer cracks in pathologic myopia. Treatment for lacquer thinner splashed in eyes, after rinsing with water and sterile saline. Bubbles in nitro lacquer finish help the gear page. The present study demonstrated that among various myopic fundus changes, patchy atrophy and lacquer cracks are especially important predisposing lesions. By ordering lacquer aerosols, you confirm that you are over 16 years of age.

The bestapplied sealant is the kind with invisible lines. In addition to the nitrocellulose polymer, there are plasticizers smaller molecules which fit between the polymer strands and function to keep the polymer strands from collapsing onto each other and forming what are known as crystallites. The last thing you want are streaks to dry over the lacquer, marring your otherwise nicely finished guitar. Look for lacquer cracks in high myopes for early warning of. Conversely, lacquer cracks are found in more than 80. Apr 06, 2006 not all that complicated, spray out about 3 to 4 coats, wet sand with 400 to 600 grit just a good scuff to knock down the highs. This mandolin left my shop perfect in every way, was dedamped and actually played a number of times. Some beat up, some nicely cared for but well played, and one or two near mint. Im debating on returning the guitar, but i sound hypocritical in that the cracks are ok but the bubbles bother me. Treatment for lacquer thinner splashed in eyes, after rinsing.

The term lacquer originates from the sanskrit word laksha representing the number 100,000, which was used for both the lac insect because of their enormous number and the scarlet resinous. The epa also has iris, that should have information on the different solvents plus the. This will fill the gaps but it will always be slightly visible. However, lacquer cracks are a classical symptom of myopic degeneration and while your condition may remain stable for many years, the odds are more in favor of problems as you age. Lacquer crack lesions in pathologic myopia sciencedirect. Anyone servicing the wood finishing market should be able to get nc lacquer, the challenge maybe the quantities. Resultsthe lacquer cracks progressed in 37 eyes 56. There were 67 chinese subjects from shanghai included for our study, both eyes of the patients were examined, and we excluded 19 eyes with the following conditions. Forum responses finishing forum from contributor s. Ohio valley nitro specializes in providing guitar building and refinishing enthusiast quality nitrocellulose aerosol paint products in 12oz. There was nothing magical about nitrocellulose finishes. Funny their original nitro finishes are touted as great for tone, given the fact that underneath the lacquer, theres polyester. Hi all, im a total newbie to this site, and not a very good guitar player.

Nitrocellulose lacquer i told him how oxnard wasnt producing guitars yet with nitro, and that we had heard about problems and challenges theyre experiencing. Everything you ever wanted to know about nitro guitar finishes. These changes included patchy atrophy, diffuse atrophy, and choroidal hemorrhage with neovascular membrane fuchs spot. There is a website for guitar finishers called that sells it in spray bomb form us only. All my lacquer is supplied in 400ml aerosols, which have adjustable elliptical nozzles allowing a vertical or horizontal fan. All our sample neck colour photos show three coats of the labelled nitro tint laquer on top of a clear sanding sealer base. Lacquer cracks are seen in almost 5% of highly myopic eyes, and the reported incidence of cnvm associated with these lesions is as high as 10%. All nitro has plasticizer and todays nitro is just as brittle as old nitro. The beginning stages of posterior staphylomas are very difficult to discern on physical exam for runofthemill retinal specialists or general ophthalmologists. He said something that i had not heard, namely, that after spraying nitro on a guitar, you need to wait 2 3 months for it to cure and settle before moving on with it. Of these 37 eyes, the number of lacquer cracks increased in 14 eyes and turned into other myopic fundus changes in 25 eyes. Several vintage as well as modern day high end guitar manufactures use nitrocellulose lacquer on their products. I dont know about close enough, but all nitrocellulose lacquers are certainly not the same.

Look for lacquer cracks in high myopes for early warning. Lacquer cracks are irregular yellowappearing bands often seen in the posterior pole and are present in 4. Aliphatic betanitro alcohols for nonenzymatic collagen crosslinking of scleral tissue. I would search for other names of nitrocellulose lacquer, there is a link below. Nitrocellulose lacquer does have some nasty habits. I was thinking if i can use a clear nitro lacquer right at the wood to act it as a primersealer mostly to even out the surface and prevent the wood from taking too much color coat. About a year ago mid life crisis i purchased a 20 lp standard quilted top which i love and continues to inspire me to improve. Since the volute is cracked as well as the flexing parts of the soundboard i can only surmise that it was. Dont let anyone fool you with the plasticizer buzzword. Nine eyes of five patients had grade 2 in volvement with lacquer cracks fig.

You can add their other clears to it to reduce the crackle effect. Treatment for lacquer thinner splashed in eyes, after. Apply this paste into the cracks and gently smooth it down. The resulting resin is then combined with a number of fast drying solvents to produce the finished lacquer. Lacquer cracks have only been observed in the posterior pole of highly myopic eyes. Myopia is one of the most prevalent eye diseases and a worldwide public. A thin acrylic lacquer finish will be basically indistinguishable from nitro, except that it wont yellow and crack over time. Nitrocellulose lacquer can give a beautiful finish if its used properly. Lacquer is nearly as deep and clear looking, but it requires spray equipment and safety equipment. Each eye with lacquer cracks had tem poral crescent formation at the optic disk.

I am using a nitrocellulose lacquer finish and i am looking to get a hairline cracked effect to make it look aged. Kerosene works better than water to keep the sandpaper from loading up, and it wont cause the wood grain to swell or raise if it gets into any little cracks or voids in an old finish. Among these 33 eyes that later developed myopic cnv, cnv occurred in nine eyes with diffuse atrophy, in eight eyes with patchy atrophy, in 15 eyes with lacquer cracks, and in one eye with a large myopic conus. Patchy atrophy and lacquer cracks predispose to the. As a result, thats the eye where i have blind spots, straight lines appear curved, etc. Lacquer finishing trouble shooting guide wood finish supply. Choose a lacquer repair kit which contains the substances that you can use to fill the cracks in the lacquer. Fluorescein angiography showed patchy atrophy beginning with a small hypofluorescent area at the peripheral end of the lacquer. The term lacquer is used for a number of hard and potentially shiny finishes applied to materials such as wood or metal. Once the learning curve is behind us, once the equipment is owned, its pretty easy to apply, very forgiving of mistakes the guitar turned out fine once the problem was finally remedied. I usually dont recommend trying to fix such checks, because they are often an inevitable part of. They appear to be caused by stretching of the coats of the eyeball with increasing axial myopia.

Looking for sources of nitrocellulose lacquer paint. The last step in the process is to seal the newlystained guitar. I was also using a commercial brand of nitro which was definitely a problem when used on wood. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease. In six patients lacquer cracks were present in only one eye. When the paint becomes thin, just add a few new coats. Tonetech ltd provides luthier supplies, luthier tools, guitar paint and nitrocellulose lacquers across the uk and europe. It would look like this clear nitro on bare wood, color coat nitro, same clear nitro on top of the color. How to refinish a guitar with nitrocellulose lacquer.

Clear nitrocellulose lacquer 400g aerosol spray can. Answered by a verified doctor we use cookies to give you the best possible experience on our website. Im with frank on this one my initial attempts at nitro spraying many years ago resulted in longitudinal cracks throughout the lacquer on swamp ash mainly and this was definitely a result of too much lacquer, too soon with too little thinner. These lacquer colors were created to try and match the vintage custom colors used by fender in the 50s and 60s. Peripheral lacquer cracks as an early finding in pathological. Emerson, md, phd retina center of minnesota coauthors. Cracked lacquer we normally use mcfadden and it is available directly through the company, or for an even better price, try grizzly. Jun 01, 2007 lacquer cracks are clinically noted in 4. This is a subject ive been avoiding because you cant talk about nitrocellulose lacquer finish without talking about relicing, so im going to cover both those topics. Twenty per cent of eyes with patchy atrophy within 1dd from the fovea centralis and 29. Nitrocellulose guitar paint and lacquer guitar paint and. Deft clear lacquer is nitro so if you find a can of deft in your hardware store read the label and see who actually made it. I doubt theres any problem in finishing more frustrating than fish eye. Lacquer cracks definition of lacquer cracks by medical.

Original fenders from the 1950s which were finished in nitrocellulose were sealed first with fullerplaste, a polyester type wood filler. They represent healed and mechanical breaks of the retinal pigment. Looking for sources of nitrocellulose lacquer paint is. Like any other lacquer, it can be used to finish wood products and keep painted surfaces shining, though there is much more to it than that.