Compliance Standards:

ASTM D402, IS 1213, IP 27

Shield

Lined with 3-mm fire proof insulation and fitted with transparent mica windows, of the form and dimensions shown in Fig. 2 of ASTM D402. It is used to protect the flask from air currents and to reduce radiation. The cover (top) will be made in two parts of 6.4-mm (1⁄4-in) fire proof insulation.