Plastic doesn’t sand well. I’d CAREFULLY use an exacto knife on the parting line. Then polish it mechanically. Don’t use turtle wax or anything like that; just rub it aggressively on some cloth.

Can you sand plastic to make it smooth?

A gentle sanding is fine for plastic, but too much can create a load of problems. For instance, a common problem caused by too much sanding of plastic is a defect called hairing, in which parts of plastic split off into hair-like strands. It can also called thermoplastic re-flow, blemishing, scratching, and much more.

How do you make rough plastic smooth?





Use a 50/50 solution of vinegar and water to clean extensively pitted plastic, because vinegar is a weak acid, and it helps smooth the surface. Run through the sanding grits in order from 220- to 400-, 800- and 1,200-grit, finishing with 1,500- or 2,000-grit, depending on how smooth you want the surface.

How do you smooth sharp plastic edges?

Quote from the video:
Quote from Youtube video: Fire on thin material like this flame polishing a socket edge is usually adequate note that while flame polishing works well on acrylic. Also known as plexiglass.

Can I sandpaper plastic?

Since most plastic is glossy, sanding is then an essential step. Lightly sand all surfaces with 180 to 220-grit sandpaper. Since plastic is soft, you can do the sanding by hand. However, if you have large areas to sand, you may want to use a random orbital sander.

How do you polish plastic with sandpaper?

Soak a piece of 800-grit wet/dry sandpaper in water for several minutes until saturated. Use a gentle, circular motion to sand the area, making sure not to apply too much pressure or you could introduce new scratches. Rinse between passes and re-wet the sandpaper as needed throughout the process.

What can we use instead of sandpaper?





Like sandpaper and emery cloth, steel wool is available in grades from coarse to very fine. Stone sharpening tools such as oil stones, water stones and whetstones also work a bit like sandpaper, designed to sand or sharpen and smooth the blades on metal implements such as knives and garden tools.

How do you shave down hard plastic?

Quote from the video:
Quote from Youtube video: I got a razor blade right here a box cutter. I got a torch going a recording Lister I got a torch going right here and watch this we're gonna heat. This.

What can I use instead of sandpaper on plastic?

Here is a list of some sandpaper alternatives:

  1. Sanding blocks.
  2. Emery cloth.
  3. Sand and leather.
  4. Walnut shells.
  5. Pumice.
  6. Nail files.
  7. Hand files.
  8. Emery boards.


Can you sand down acrylic plastic?



Acrylic sheet can be sanded by hand using sandpaper. Secure your acrylic sheet using clamps or a vice with protective jaws. Ensure there are no sharp edges or anything that could scratch or damage the surface of your plastic sheet when secured in place.

How do you smooth cut acrylic?

Begin by smoothing out the edges of your acrylic with 180 grit sandpaper and wet sand the edges. Rinse your sandpaper as needed to stop it clogging up. As the edges level and smooth move onto the sandpaper with the grit of 320 – 360 to give a more polished finish.

Can you buff acrylic?

You can restore the glossy look of your acrylic by flame polishing thin sheets of acrylic (4mm thick and under) and sanding/buffing thicker acrylic sheets. For those who want a less labour-intensive way, try VuPlex polish, which we have tried and tested on acrylic to the satisfaction of our plastic experts.

How do you finish an acrylic pen?



How to Polish Acrylic Pen Blanks for a Scratch Free Finish

  1. Step 1: Sanding. Once you have shaped the blank on the lathe, the first step to getting a flawless finish is to level everything out and get rid of any tool marks or ridges that may have been left during the shaping process. …
  2. Step 2: Polishing. …
  3. Step 3: Buffing.


How do you sand an acrylic pen?

Quote from the video:
Quote from Youtube video: Start by dipping the micro mesh sheet and some water with the lathe running begin sanding with a 1500 grit micro mesh sheet sanding. In a side-to-side motion.

How do you sand a pen blank?

Quote from the video:
Quote from Youtube video: Use light to moderate. Pressure with the light speed of 500 to 750 rpm use progressively finer grit paper to sand the barrels. Never wrap the sandpaper around the barrels for wood.

How do you polish resin pens?



Quote from the video:
Quote from Youtube video: And again we begin in circular motions just to rub this particular polish or compound if you like into into the pen.

How do you polish plastic?

Toothpaste and baking soda are both mild abrasives that you can use to polish plastic. For deeply etched or discolored plastic, squeeze non-gel toothpaste directly onto the surface and rub it in a circular motion with a microfiber or cotton cloth.

How do you get scratches out of a fountain pen?

Quote from the video:
Quote from Youtube video: You can use micro mesh or a mylar. Paper. You got to be careful with that though cuz that's a much stronger abrasive than the jewelers cloth.