some FAQs Chromtech-AUS 

Terms of Trading

Freight Charges . . . applied as add-on to all shipments generally bu Courier NO Post (as TOO unreliable)
an IMPORT Freight Charge is added where "Item Description" has a Kg spec; 2017 $95 a Min Charge plus $30 per Kg
On Non-stock Items Melbourne, Imports . . . Restek items No import freight appliesDangerous Goods charge of $165 applies to for example to Chemical Standard, gases cylinders etc