Blenders
I can confirm what verytalldave has said ,having worked in the Petrochem industry myself ,I have said this before on this forum ,it is Blended at Source ,I used to hold the additives in a special compound and have to keep a register of what was being blended and % and woe betide the Company and myself and others if it did'nt tally up when H.M Customs arrived on site to check for irregularities to the stock of additives
I can confirm what verytalldave has said ,having worked in the Petrochem industry myself ,I have said this before on this forum ,it is Blended at Source ,I used to hold the additives in a special compound and have to keep a register of what was being blended and % and woe betide the Company and myself and others if it did'nt tally up when H.M Customs arrived on site to check for irregularities to the stock of additives