Garden Slate 1.Colors and sizes are available 2.Resistant to thermal shock 3.High quality, low price 4.Low water absorption Garden Slate Materials Available for all other slates, quartzite Character Low Ca , acid-resistant, non-fading Color Black, Green, Blue-black, Rusty yellow or any your need Sizes Low Ca , acid-resistant, non-fading Thickness tolerance + / -1 mm Surface Natural face, Matt ...