To whom it may concern,
According to the latest review of our glass portfolio, we will do a reclassification of following glass-types, effective from May, 1St 2018:
Change to „special continued“:
S-LAL11, S-LAL52, S-NSL7, S-PHM51, S-YGH52, TIH53.
These types will be available approx. for the next 5 years, then will change to special order.
Change to “special order”:
S-BAH32, S-BSM4, S-BSM22, S-LAM52, S-LAM58, S-LAM59, S-NBH52, S-NBH53, S-NSL5, S-TIM39, S-YGH51.
Special order types may be still available for some time, but we do not guarantee, on your order we can melt these types.
We recommend to change
from S-NBH52 to S-NBH52V,
from S-NBH53 to S-NBH53V,
from S-YGH51 to S-LAH97.
Change to „discontinued“:
S-BAM9, S-BAM21, L-LAH81, L-LAH83, L-LAH84P, L-LAM72, L-NBH54.
Please consider these changes for your optical designs.