Re: Thickness not exceeding 2±0.3 mm - Value1 < value2±Value3
Taking the formula formally that should be true.
It seams the thickness of the material (taking into account only the requirements of the client) should be below this range. Depending on their understanding of the brackets the max thickness can be 1,6 if they condider the [-brackets to be 'open' - 1,6(9) to be very precise - anything below 1,7, or 1,7 if they find [-brackets to mean 'closed' range.
Any way, I would definitely contact them to check what do they mean exactly. What is the point in asking the thickness to be below some range instead of saying that it should be below some given thickness (here being 1,7mm).
Of course, technological issues need to be taken into account...
