1) This certified reference material is packed in a plastic bottle, 30g/ bottle.
2) The bottle containing material should be kept tightly stopped and stored in cold and dry place, and opened only when necessary.
3) This certified reference material is mainly used in the examination of the testing
atmosphere and the estimation of the test result. The testing atmosphere is correct if the differences between test result and certified value of ST, HT, FT are not over 40℃; otherwise, the testing atmosphere is not correct, and some adjustments are necessary.
4) This certified reference material is not applicable in the identification of the deviation of furnace temperature, the users should be sure the furnace temperature has been controlled correctly before the testing.