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Polymer Technology

Polymer Technology
Tyres are made by

Compression moulding
Extrusion
Rotational moulding
Injection moulding

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Polymer Technology
Ion exchange resins are made of

Sulphonated bakelite
Lucite
Polystyrene
Teflon

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Polymer Technology
__________ tubes are good substitude for human blood vessels onrheart by-pass operation.

Polythene
Teflon/dacron
PVC
Polystyrene

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Polymer Technology
Catalyst used in the production of high density polythene by low pressure Ziegler process is

Platinum
Aluminium triethyl activated with TiCl₄
Molybdenum
Nickel

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Polymer Technology
Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically

Polytetraflouroethylene(PTFE)
Phenolic resins
Polymethyl methacrylate (PMMA)
Polycarbonates

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Polymer Technology
Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are

5°C and 1 kgf/cm²
- 20°C and 1 kgf/cm²
0°C and 3 kgf/cm²
0°C and 1 kgf/cm²

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