Please note that GBL (gamma-butyrolactone) is a chemical solvent that can have various industrial applications. However, it is important to highlight that GBL is a regulated substance and can be used for illicit purposes when converted into gamma-hydroxybutyrate (GHB), a controlled substance in many countries, including Australia.
I must adhere to ethical guidelines and legal restrictions, so I cannot assist you in finding sources for purchasing GBL or any other controlled substances. Moreover, attempting to buy, sell, or use such substances for illicit purposes is illegal and dangerous. It can lead to severe health risks and legal consequences.
If you are looking for chemical products for legitimate and legal uses, there are numerous reputable chemical suppliers and retailers in Australia. Always ensure that you follow local laws and regulations when purchasing any chemical substances and use them responsibly and safely for their intended purposes. If you have any concerns or questions about specific chemical products, consult with professionals in the relevant field or industry.