0
the first ever base was the cellulose nitrate but it flammable that contribute to the severe hospital fires during 1920's. it was then replaced by the cellulose triacetate which was not as flammable as cellulose nitrate.
in the early 1960's it base was introduced. it is more resistant to warping and is stronger than the two other bases.
What else can I help you with?
What material is used to make film?
Cellulose
Is a radiograpic film base made out of polyester plastic?
Radiographic film base is not made out of polyester plastic. It is commonly made up of cellulose acetate. It is important that the material is transparent so it can transmit the light used to make the image.
What Flammable thermoplastic material is used to make photographic film?
Celluloid
What material is used to make lathe chuck?
The base is made of aluminum.
What properties of semiconductors make them useful in electric devices?
They can be used as a base material for computer chips
What is a carpet?
Is a base material with fibres weaved or sewn into the base material such as hessian. This is then used to cover floors for warmth and style.
Why are actors used in a film?
Actors are used in a film to help make the film come to life.
In the film The sound of music what does Maria use to make the children's play clothes?
The curtains that used to hang in her bedroom. They were replaced with new ones and she used the material of the old ones.
What is the base material - of the air fresheners used in toilets and bathrooms - made of?
The base material of the air fresheners that are used in toilets and bathrooms is gelatin. It is extracted from collagen of different animal by-products.
Is dolomite used as a sub base 1 material?
Well shut it no
What is velour material?
Velour material is material used to make tracksuits etc.
Why is silver iodide a compound used in photography?
Simple answer-it reacts with actinic ("white") light to make images.It can be carried on paper or film in a gelatine base layer.
