45 degrees burning tester for fabric flame retardancy test in the common instrument, used to test the burning performance of pajamas or decorative fabrics, sealed stainless steel combustion chamber, observation window and standard burner, can accurately test the flame spread rate, suitable for plastic and non-metallic material specimens horizontal or vertical direction of the burning performance of the laboratory determination method. For 500W flame burning test, according to the provisions of UL94, it is divided into the flammability test of strip specimens and board line specimens of the flame-resistance through the ability to test. 1. Strip specimen burning test vertical specimen Specimen size (125mm ± 5mm) × (13mm_-4-0.5ram) × thickness (usually the required smaller thickness, thicker can not exceed t3mm). The ring-shaped specimen holder clamps the specimen at 6mm, and a cotton pad with an area of 50mm×50mm is placed horizontally under the specimen, and the distance between the low...