The annual review of our product range with regard to worldwide usage involves grading the following glass types, from Recommended to Special-Order-Glass-Type:
These glass types will be available, at least until April 2017. We do not recommend these glass types for new developments.
Glass types already classified as Special-Order-Glass-Type
are being taken out of the product range (discontinued).
The production of the glass type L-BBH1, which up to now had been a recommended glass type, was discontinued immediately.