16 C.F.R. § 1611.3 Flammability—general requirement.
Title 16 - Commercial Practices
The rate of burning shall not exceed 1.2 in./sec as judged by the average of five determinations lengthwise and five determinations transverse to the direction of processing, when the material is tested with the SPI flammability tester in accordance with the method described in §1611.4.
Title 16: Commercial Practices
PART 1611—STANDARD FOR THE FLAMMABILITY OF VINYL PLASTIC FILM
Subpart A—The Standard
§ 1611.3 Flammability—general requirement.
