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120 is 120% of 100.
100*12/120 = 10%100*12/120 = 10%100*12/120 = 10%100*12/120 = 10%
120% of 100 = 120
100+120=220.
The percentage reduction = (120 - 90) x 100 / 120 = 30 x 100/120 = 25%
The recommended sandpaper grit for deck refinishing is typically between 60 and 80 grit for initial sanding to remove old finish and smooth the surface, followed by 100 to 120 grit for a finer finish before staining or sealing.
For refinishing wood floors, it is recommended to start with a coarse grit sandpaper, such as 36 or 40 grit, to remove old finish and level the surface. Gradually move to finer grits, such as 60, 80, and 100, for a smoother finish. Finish with a very fine grit, like 120 or 150, for a polished look.
The recommended grit of sandpaper for smoothing out rough surfaces is typically between 80 and 120 grit.
120 or 100 grit 80 if it is high
For sanding a deck, it is recommended to use a medium grit sandpaper, such as 80-120 grit, to effectively remove old finish and smooth out the surface.
For sanding a deck, it is recommended to use a medium grit sandpaper, around 80-120 grit, to effectively remove old finish and smooth out the surface.
You would not use sandpaper. You would use a screen. The sanding screens usually come in an 80, 120, and 220 grit.
You have to start out with a rough grit and work your way down to a fine grade.If it's necessary you start with an 80 grit sandpaper.Then you go over it again with a 120 or 180.If you want it even smoother you go to a 220.You'll need more of the finer grits as they're more easily worn down.
220 3m its a finer sand paper you can take the paint as low as you want with it it works great. You should always prime over a 220 grit scratch. It is the perfect size grit. If you are sanding primer so you can apply topcoat, finish with 400grit dry on a machine (DA) or 500 wet sand for a solid color enamel. Basecoat products, particularly metallics and pearls, need to be applied over a substrate that has been wet sanded with 600 grit.
To effectively sand a bike frame for painting or refinishing, start by removing all components and cleaning the frame. Use sandpaper with a grit of 120-220 to remove the old paint and smooth out any imperfections. Progress to finer grit sandpaper (400-600) for a smoother finish. Sand in a consistent direction and be thorough in sanding all areas. Wipe down the frame with a damp cloth to remove dust and debris before applying primer and paint.
terms used mostly on sand paper, emery cloth, or other fine abrasive materialYou should always know the type of wood you are finishing before starting any sanding. The type of wood you are sanding has a direct relationship to the grit used for final sanding. There are two basic types of wood - softwoods and hardwoods.Typical softwoods are Pine and Fir. Softwoods can be finish sanded with 150 or 180 grit prior to the application of primer. Please see Grit Guide for more information:Grit GuideVery Fine (220) For light sanding between stain and sealer. Fine (150-180) For final sanding or cleaning of wood surfaces. Medium (100-120) For moderate removal of surface imperfections. Course (60-80) For heavy removal of wood and coatings. * http://www.nortonconsumer.com/Data/Element/Node/Application/Application_edit.asp?ele_ch_id=A0000000000000001555"What are the grit sizes equivalent to?" United Kingdom:-UF Ultra Fine:- approximately equivalent 420 Grit sandpaper.F Fine:- approximately equivalent 320 Grit sandpaper.M Medium:- approximately equivalent 220 Grit sandpaper.C Coarse:- approximately equivalent 180 Grit sandpaper.XC Extra Coarse:- approximately equivalent 120 Grit sandpaper.XXC Extra, Extra Coarse:- approximately equivalent 80 Grit sandpaper USA:-UF Ultra Fine:- approximately equivalent 140 Grit sandpaper.F Fine:- approximately equivalent 120 Grit sandpaper.M Medium:- approximately equivalent 100 Grit sandpaper.C Coarse:- approximately equivalent 60 Grit sandpaper.XC Extra Coarse:- approximately equivalent 46 Grit sandpaper.XXC Extra, Extra Coarse:- approximately equivalent 24 Grit sandpaper * http://www.permagrit.com/faq.php
Sandpaper currently is available in six different grit sizes. Every grit size is used for a different project. The sizes are 40-60, 80-120, 150-180, 220-240,280-320, and 360-600.