Formaldehyde
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Urea formaldehyde foam does not burn, but tends to shrivel and char when exposed to fire. It complied with Class P (not easily ignitable) of BS 476-12:1991, and the burning characteristics, when tested according to BS EN ISO 3582:2001, were: mean extinction time = 23.5 seconds mean extent of burn = 25.1 mm mean burning...Explore the subscription options here to get full access to isurv, including downloads.
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