Hold the knife perpendicular to the piping and insert the tip of the blade into the middle. A permanent marker works well for this and will clean right off with a little bit of alcohol once you are done.
High Temperature Resistant Silicone Polyimide Film Die Cut Adhesive Tape
How to cut silicone cleanly. Repeat until the brownies are cut into 2 in 51 cm strips. Then using the straight edge mark the line where you will cut with your chalk. It will allow you to. All the silicone i have worked with will cut easily with a sharp knife. Pull the blade downwards to cut through the piping halfway. This loosens its adhesion to the substrate and makes the caulk easier to cut with a knife.
Place the tape measure on one end of the hose and mark at the desired length. Lay the mat flat on the ground. Follow these simple steps for a safe clean and straight cut. A quick look at how you can get clean lines when you need to caulk a seam. You can simply use the blade that is found on the inside of the caulking gun to cut off the tip of the tube. If you having difficulty making clean cuts try wiping your blade on a paper towel after each cut.
Cut slowly to ensure a clean line. You just need a very sharp blade such as an x acto knife or a utility knife with a new blade in it. Now place your straight edge on the cutting mark firmly and use your sharp utility knife to score the line two to four times. Open the caulk tube by cutting the tip of the nozzle at a 45 degree angle using a utility knife then insert a long clean nail or wire into the nozzle to puncture the inner seal. Press the knife all the way into the brownies with steady pressure. But tex is right.
Do this several times until the line is visible and straight. Many people use knives or scissors but there is a much better way. Cut your brownies vertically at each of the marks you made. To remove stubborn caulk you can either apply the solvent repeatedly or soak a rag and place the rag on the caulk. Cutting out the bulk solvents such as vinegar or mineral spirits and even stronger ones like lacquer thinner swell cured silicone caulk. Poke through the seal a few times to ensure a smooth flow of caulk.
Pull the knife around to the other uncut side of the piping and slowly cut though the rest of the piping.
Gallery of How To Cut Silicone Cleanly
/cdn.vox-cdn.com/uploads/chorus_asset/file/19833400/removing_caulk.jpg)
