Talc us an excellent filler providing much bulk and sanding very easily. A cheap source is generic baby powder. Just check the ingredients are talc, not corn starch.
Fibreglass resin is a polyester.
Epoxy resin is a nonmetal.
Additive : halogenated additive Filler : Aluminium Hydroxide (ATH)
Epoxy resin can be used as a jointing compound.
Fibre-shelkote distributes vinyl ester resin which is required for underwater usage. Polyester resin is chemically similar to 2 part epoxy, and is much less expensive, but should never be used underwater.
Mostly polyester resin, but some epoxy as well. Small dinghies can be made of thermoset plastics.
The main material is polyester resin, which is set by a catalyst hardener, so it's basically an epoxy.
Polyester resin is a thermosetting resin, generally a copolymer
Epoxy resin can be used as a sealant on counter tops to help make them resistant to scratches. There are no countertops made of epoxy resin
Phenolic resin is less costly and easier to work with than epoxy. Many epoxy resin systems have a very short pot life.
where can buy clear epoxy resin hardner in srilanka
Mass Epoxy Resin seems to be good value.