Board surface E100:
blue.
![Board surface E100:](/media/cache/f8/e9/f8e991741ccc6ba762a200ac8b78e49c/Mat-E100_ME_XX_P01.lang.jpg)
Steel sheet for all specially-coated writing surfaces of up to a width of 300 cm and a height of 120 cm. The vitreous-enamel coating is stoved at a high temperature by a special process. The surfaces can be written on with chalk and magnets adhere to them.