Standard Test Method for Evaluation of Materials, Protective Clothing and Equipment for Heat Resistance Using a Hot Air Circulating Oven Ingestion-build-52208 It gives the test procedure

It gives the test procedure section

BS EN 61300-3-14 characterizes an attenuator for which the manufacturer provides the calibration results relative to a zero-point setting

mouldings and a prime requirement for the cloth and polish is that their combined use will significantly reduce light scattering due to minor damage to the surface of the transparency

These specific declaration requirements are given in addition to the general requirements given in EN 16245-1

The following items are specifically excluded from this International Standard:

Standard Test Method for Evaluation of Materials, Protective Clothing and Equipment for Heat Resistance Using a Hot Air Circulating Oven Ingestion-build-52208 It gives the test procedure