For Trivex discount, we look forward to receiving the approx volume per year soon.
For the FSV Tribrid detail, you can use this detail for cylinder powers. Anyway, please find our available range as follows :- and we will inform you the price soon.
-70mm S 0.00 to S-8.00/C 0.00 to C-2.00
-65mm S+6.00 to S+0.25/C 0.00 to C-2.00
Moreover, Tribrid is still not recommend to tintable similar as Trivex. Anyway, we have plan to develop Tribrid Pretinted in the future. We will keep you posted on this product.