Contrary to all expectations, thermal insulation synthetic cotton wool – non -combustible material and with its structure does not allow fire to spread (that is, does not support combustion). There is nothing strange in this, since the basis for cotton wool is organic material – basalt or quartz. Vata does not burn, do not smold, and when contacting with fire, they do not emit toxic smoke and harmful toxic substances.
Want to buy a logging bath at low prices? We advise you to buy a log house at cheap prices at the link given.
Since indirect fire does not cause any harm to mineral wool, it is often used to protect against fire and isolate equipment from fire. Synthetic cotton wool with fire -resistant characteristics is indicated by the symbol “A”, a figure is added to the character from 1 to 7. The best indicators of cotton wool with “A1” labeling, Vata with the designation below “A2” does not exist, the designation “A7” is assigned cardboard or carpet coatings without special fire -fighting. Such a marking is characteristic of products that have come to our market from Europe, or which is imported there. If you compare the marking from domestic factories – manufacturers, “A1” is equal to the domestic “NG”, and the fiery class “F” is approximately equal to “G4”. It is very important that under the influence of temperature or fire, cotton wool does not change its appearance and does not spread.