The sheeting also keeps the concrete from clogging the gravel layer when the slab is poured.
Fuel resistant plastic sheet.
Fel pro 3060 gasket material.
Polyethylene or a vapor retarder on top of the gravel to prevent the soil gases from entering the house.
My need was to make replacement gaskets for my plastic gas jugs.
I bought this 1 8 material and tried again.
We developed 3m scotch weld fuel resistant coating ec 776 as a general purpose solvent based adhesive coating that provides good adhesion to synthetic rubber metal glass and many plastics.
Place heavy duty plastic sheeting 6 mil.
Acetal plastic sheet rod tube and accessories acetal polyoxymethylene or pom provided by interstate plastics is a tough machinable thermoplastic with a high modulus of elasticity high strength good rigidity dimensional stability and resistance to moisture chemicals and solvents.
You can soften it a long way relatively easily then force it into a shape you want by pressing bu.
Plastic sheeting or vapor retarder.
It has desirable toughness properties performing well at extreme temperatures and under fatigue endurance.
You won t have much luck melting it though it slumps but never flows.
A no attack possibly slight absorption.
Some swelling and a small reduction in mechanical likely.
Unless i m mistaken common polyethylene is entirely tolerant of gasoline.
Permatex 85420 permashield fuel resistant gasket dressing sealant 2 oz tube 4 5 out of 5 stars 197.
Negligible effect on mechanical properties.
Have a question on the chemical resistance of plastics.
Ask a plastic expert.
In my case 1 16 was just a bit too thin for a good seal.