03-04-2020, 07:35 PM
Some information.
Celluloid is cellulose nitrate and was used in various forms for photographic film, coating steering wheels, making spectacle frames and Painting cars (Duco was one brand from DuPont).
This burnt beautifully and self degraded and could even be "spontaneous" under the right conditions. Cars painted with this, if they had a fire, burnt out completely,
end to end. In Oz, a major spec frame factory went up in smoke because of this
In the late fifties(?) there was a switch to cellulose acetate. In paint, Dulon from DuPont was a brand. Spec frames changed to this also as well as film- Safety film. Cellulose
Acetate burns only if you put a flame or heat to it and goes out if you take the flame away. Car fires then didn't see the whole car go up as much as they used to. It is softer.
"Acrylic" paints were based on this.
I hope I got this correct,as it is a long time since I learnt it. My nickname might give you a clue as to why I had to learn such stuff.
Cheers,Peter
Celluloid is cellulose nitrate and was used in various forms for photographic film, coating steering wheels, making spectacle frames and Painting cars (Duco was one brand from DuPont).
This burnt beautifully and self degraded and could even be "spontaneous" under the right conditions. Cars painted with this, if they had a fire, burnt out completely,
end to end. In Oz, a major spec frame factory went up in smoke because of this
In the late fifties(?) there was a switch to cellulose acetate. In paint, Dulon from DuPont was a brand. Spec frames changed to this also as well as film- Safety film. Cellulose
Acetate burns only if you put a flame or heat to it and goes out if you take the flame away. Car fires then didn't see the whole car go up as much as they used to. It is softer.
"Acrylic" paints were based on this.
I hope I got this correct,as it is a long time since I learnt it. My nickname might give you a clue as to why I had to learn such stuff.
Cheers,Peter