Trade Name

Material

Manufacturer

Wahnerit

PF laminate

Elect. Isol. Indust., Wahn, Germany

Walo-Kapseln

Viscose stoppers

Wolff & Co., Walsrode, germany

Wandrite

PF

H Wandrowsky, Berlin, Germany

Wenjazit

PF

Kunst-Rohstoff AG, Hamburg, Germany