16 CFR 1610 Flammability Requirement under CPSIA

According to CPSIA, Wearing Apparel Flammability - 16 CFR 1610 is required for both children's and adult's apparels. But certain products may be exempted from testing requirement subjected to following conditions:

Specific Exceptions -

1. Hats, provided they do not constitute or form part of a covering for the neck, face, or shoulders when worn by individuals;
2. Gloves, provided they are not more than 14 inches in length and are not affixed to or do not form an integral part of another garment;
3. Footwear, provided it does not consist of hosiery in whole or part and is not affixed to or does not form an integral part of another garment;
4. Interlining fabrics, when intended or sold for use as a layer between an outer shell and an inner lining in wearing apparel.

Specific Exemptions -

1. Plain surface fabrics, regardless of fiber content, weighing 2.6 ounces per square yard or more; and:
2. All fabrics, both plain surface and raised-fiber surface textiles, regardless of weight, made entirely from any of the following fibers or entirely from combination of the following fibers: acrylic, modacrylic, nylon, olefin, polyester, wool.

Summary of Test Criteria for Specimen Classification
Plain surface textile fabric
Class 1: Burn time is 3.5 seconds or more, then ACCEPTABLE
Class 2: This class is not applicable to plain surface textile fabrics
Class 3: Burn time is less than 3.5 seconds, then NOT ACCEPTABLE

Raised surface textile fabric
Class 1: (1) Burn time is greater than 7.0 seconds; or (2) Burn time is 0-7 seconds with no base burns (SFBB). Exhibits rapid surface flash only, then ACCEPTABLE.
Class 2: Burn time is 4–7 seconds (inclusive) with base burn (SFBB), then ACCEPTABLE.
Class 3: Burn time is less than 4.0 seconds with base burn (SFBB), then NOT ACCEPTABLE.

Important:
Even though the some fabrics may be exempted from the flammability test, the Certificate of Conformity is still required.