Surface treatments and finishes (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What are the three main finishing approaches for polymer surfaces?
What are the three main finishing approaches for polymer surfaces?
Polishing, printing & vinyl decals
Why are polymers particularly vulnerable to scratching?
Why are polymers particularly vulnerable to scratching?
It significantly impacts visual appearance
What is used in stage 2 of the three-stage polishing process?
What is used in stage 2 of the three-stage polishing process?
Fine wet & dry paper
What is wet and dry paper made from?
What is wet and dry paper made from?
Silicon carbide grit bonded to paper
What do lower grit numbers indicate about wet and dry paper?
What do lower grit numbers indicate about wet and dry paper?
Coarser textures
Which grit range is classified as fine grade?
Which grit range is classified as fine grade?
400-600 grit
What is hydrographic printing also known as?
What is hydrographic printing also known as?
Water transfer printing
What type of surfaces does hydrographic printing work particularly well for?
What type of surfaces does hydrographic printing work particularly well for?
Complex 3D shapes
What dual role does the activator chemical play in hydrographic printing?
What dual role does the activator chemical play in hydrographic printing?
Dissolves film & softens polymer surface
What is applied after hydrographic printing to preserve the design?
What is applied after hydrographic printing to preserve the design?
Protective lacquer coating
What advantage does heat transfer printing offer?
What advantage does heat transfer printing offer?
Economical & photo-realistic prints
Why must outdoor-grade vinyl be used for external applications?
Why must outdoor-grade vinyl be used for external applications?
It withstands UV light degradation