Dear customers,
Due to the public holiday on May 14, 2026, and the following bridge day, we are currently not available in person.
Registrations and manually processed orders cannot be handled during this period. However, our webshop remains available for orders and downloads at any time.
From Monday onward, we will be happy to assist you again as usual.
You can also find many helpful answers and resources in our FAQ section at any time.
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Material performance sheet WL 5.3650 contains information about the field of application of honeycombs made of phenolic resin coated polyamide paper. In addition to their characteristics, the physical values which shall be verified during quality inspection of honeycombs are specified in this material performance sheet. WL 5.3650 has been prepared by Working Committee NA 131-02-01 AA "Faserverstärkte Kunststoffe/Prepreg" ("Fibre-reinforced plastics") of the Aerospace Standards Committee (NL) at DIN, the German Institute for Standardization e. V.