As we informed you in the previous email, Trivex is not available in dia 80. But if you still want them , may we will support you in dia 75 without edging instead.
Let us check with our production and will advise you by return.
Anyway, If you're interested in 75 mm without edging , please advise us about tolerance of diameter which you can accept
because after postcure process, the diameter may be slightly shrunk.