Flammability Test For Fabrics

A 5 inch specimen burn time of 3 5 seconds or more for plain surface fabrics and 7 seconds or more for raised surface fabrics.

Flammability test for fabrics. How to do the fabric burn test. The astm d6413 flammability test procedure is used for measuring textile flame resistance. Wet dry crocking. Box 101981 fort worth tx 76185.

Basically this method is the vertical strip test in which the rate of propagation of the flame is measured in terms of the distance in milometers per minute that the base of flame travels up a strip 900 mm x 75mm. For over 50 years ats has provided world class consulting engineering inspection and testing services to clients from a variety of industries. Under the textile flammability regulations bedding when tested in accordance with the canadian general standards board standard can cgsb 4 2 no. Cotton smells like burning paper and has an afterglow at the end of the burn.

Clothing is deemed unsuitable for commerce if it s labeled as class 3 which means the fabric in the textiles burns too rapidly and the fire is too. Act voluntary flammability guideline. Applied technical services inc. Hold snippet in a pair of tweezers over the dish.

Fabrics are classified into class 1 normal flammability class 2 intermediate and class 3 rapid and intense burning class 3 fabrics cannot be sold in the u s. To test clothing for flammability the consumer product safety commission classifies fabrics into three classes of flammability which are based on the speed in which they burn during testing. Fabric identification the burn test precautions use caution during burn test. Always have water nearby or have some in the bottom of your burn dish.

The flammability of the sample is evaluated using the time it takes the flame to travel along the test specimen and the characteristics of the burn. Abrasion high traffic. 27 5 entitled textile test methods flame resistance 45 angle test one second flame impingement as amended from time to time must have a flame spread time of greater than 7 seconds and either. In accordance with the code of federal regulations cfr a simple class 1 to 3 flammability grade is given to all textile fabrics.

Do not use plastic containers. Class 1 normal flammability. Pay attention to the odor of the smoke. Cut small pieces of each fabric you want to test such as 2 inch squares.

Association for contract textiles p o. Is a testing lab iso 17025 a2la accredited for multiple types of flammability testing. Recent tests are modification of vertical strip and 45 degree test was given by british standard three test methods are given. Astm d6413 measures the char length of a flame resistant fr textile but does not set a pass fail standard for flammability.

The method cut a 1 long triangular shaped snippet off from your fabric. Abrasion low traffic. Place a piece of the fabric in your fireproof container and ignite one corner.