Discussion :: Building Materials - Section 6 (Q.No.46)
|Azeem Khan said: (Jul 5, 2019)|
|The correct answer is Option A.
Cellulose acetate is the acetate ester of cellulose. Less flammable, most commonly used in the manufacture of cigarette filters.
|Waleed said: (Jul 5, 2019)|
|The correct answer is Option D.
Urea-formaldehyde resin's high tensile strength, flexural modulus, and a high heat distortion temperature, low water absorption, mould shrinkage, high surface hardness, elongation at break, and volume resistance.
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