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UL 94, the Standard for Safety of Flammability of Plastic Materials for Parts in Devices and Appliances testing, is a plastics flammability standard released by Underwriters Laboratories of the United States. [1] The standard determines the material's tendency to either extinguish or spread the flame once the specimen has been ignited.
In glass fibre reinforced (GF) polyamide 6 and 66 formulations as well as in polyesters like polybutylene terephthalate (PBT) and PET, aluminium diethyl phosphinate shows excellent performance [5] in the UL 94 flammability tests [6] (UL 94 V0 specification is met down to 0.4 mm), as well as in the glow wire tests required for appliances. [7]
A fire test can be conducted to determine the degree of flammability. Test standards used to make this determination but are not limited to the following: Underwriters Laboratories UL 94 Flammability Testing; International Electrotechnical Commission IEC 60707, 60695-11-10 and 60695-11-20; International Organization for Standardization ISO 9772 ...
A fire test is a means of determining whether fire protection products meet minimum ... UL 94 Standard for Tests for Flammability of Plastic Materials for Parts in ...
Standard methods for testing polymer flammability vary among countries; in the United States common fire tests include the UL 94 small-flame test, the ASTM E 84 Steiner Tunnel, and the ASTM E 622 National Institute of Standards and Technology (NIST) smoke chamber. [1]
The UL enterprise [4] is a global private safety company headquartered in Northbrook, Illinois, composed of three organizations, UL Research Institutes, UL Standards & Engagement and UL Solutions. Established in 1894, the UL enterprise was founded as the Underwriters' Electrical Bureau (a bureau of the National Board of Fire Underwriters ), [ 5 ...