Share 'known substitutes - beginner in Australia'

I live in Australia where GFRC is basically unheard of. Those who do it hold their cards VERY close to their chest. Trying to get Fortron or polyplex is nigh impossible without importing and I can imagine the nightmare importing small batches of chemicals. I have the Gore DVD and I'm looking for substitutes for virtually everything except portland cement and water! ANY ideas or tips will be gr…