... 130, 140, 150, 160, 175, 200, 250mm etc 1, Our acrylic balls offer high light transmittance with a Refractive Index of 1 ... not significantly effect the mechanical or optical properties of our acrylic balls. 3, Our acrylics have been UV stabilized for good ... things done and get them done wellOur main products: 1, acrylic series , which includes display stands, boxes, adverting displays , photo ...