I often take two thermoplastic materials heat them on a hot plate then press them together by hand and end up with a single piece.
How to seal rubber sheets.
Now place your straight edge on the cutting mark firmly and use your sharp utility knife to score the line two to four times.
If it s thermoset it will not melt it will just burn and catch fire.
Lay your first sheet down flat on a clean dry surface.
If it s thermoplastic it will melt and you can press the two pieces together.
Do this several times until the line is visible and straight.
Ptfe sheets teflon butyl hypalon.
This liquid rubber is some pretty durable stuff and you can use it to coat practically anything.
Cut a small piece of tape and tack one end of the sheet down to your surface.
Flex seal makes some amazing products.
Then using the straight edge mark the line where you will cut with your chalk.
Step 2 spread the sheet to ensure it is down flat.
This answer is not merely the use of a uniquely sticky adhesive or glue.
For over 80 years the neoprene rubber gasket has been widely used in a variety of applications from automotive to industrial.
Instead the united silicone manufacturing process creates a molecular level chemical bond between the silicone rubber and the metal backing.
Rubber can be thermoplastic or thermoset.
Alternative rubber and plastic sheets.
Lay the mat flat on the ground.
The properties of neoprene are more or less a perfect fit for this type of application due to the synthetic rubber s moderate resistance to oils and grease its tolerance to a wide temperature range and its excellent physical properties.