A. Teflon
B. Polythene
C. Terylene
D. Nylon
A. Highly vulcanised rubber
B. Natural rubber
C. Unvulcanised raw rubber
D. Adhesive
A. Thermoplastic
B. Thermosetting
C. Either A. or B.
D. Fibres only
A. Decreases its tensile strength
B. Increases its ozone & oxygen reactivity
C. Increases its oil & solvent resistance
D. Converts its plasticity into elasticity
A. Ion-exchange resins
B. Fountain pen barrels
C. Formica table tops
D. Combs
A. Polybutadiene
B. Styrene butadiene rubber (SBR)
C. Polyurethane
D. Poly chloroprene
A. Phosphorous
B. Carbon black
C. e oil
D. Rosin