§ 7.25. Critical characteristics.
50 words·~1 min read·
/us/cfr/t30/s§ 7.25·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
A sample of each batch or lot of brattice cloth and ventilation tubing shall be flame tested or a sample of each batch or lot of the materials that contribute to the flame-resistance characteristic shall be inspected or tested to ensure that the finished product will meet the flame-resistance test.