DT OCR A Level exam 2023 with 100% complete solutions

List 6 Thermoforming Polymers correct answers- Acrylic PPMA - High density polythene HDPE - High impact polystyrene HIPS - Polypropylene PP - Polyvinyl chloride PVC - Polyethylene terephthalate PET List Acrylics (PPMA) Working properties correct answersResists weather well, can be cut, folded and polished well, scratches easily, used for car lights, visors and baths List Acrylics (PPMA) Physical properties correct answersHard, brittle, shiny, available in a wide range of colours List HIPS Working properties correct answersCan be cut and vacuum formed easily, food safe but toxic when burned, used for CD cases and yoghurt pots List HIPS' Physical properties correct answersRigid, cheap, available in a lot of colours List HDPE's Working Properties correct answersLightweight and flexible, can be recycled well, used for washing baskets, pipes and chairs List HDPE's Physical Properties correct answersStiff, strong, lightweight List Polypropylene (PP)'s Working properties correct answersTough and flexible, used for plastic chairs and casings List Polypropylene (PP)'s Physical properties correct answersEasily coloured, available in sheets