plastic keyboard membrane switch panels 1. PET,PC or PET 2. Adhesive 3M467,3M468 3. Per clients' design 4. good tactile plastic keyboard membrane switch panels 1.Transparent window 2.material (PET or PC) 3.Rear adhesive: 3M467,3M468, 3M9448 etc 4.metal dome tactile plastic keyboard membrane control panels MaterialPET(polyester),PC(polycarbonate)DimensionAccording to customer's demand,OEM ...