These trays are used to keep samples in it for heating in the oven.
254x254x38mm, 306x306x38mm, 460x460x50mm, 500x400x120mm
610x305x50mm, 610x610x63mm, 400x400x50mm, 760x460x63mm
760x760x63mm, 910x610x76mm, 910x910x76mm, 1040x1040x76mm
On special request we can manufacture these trays of any size.