Unit 2-A (Regenerated Materials) Flashcards
What are examples of regenerated materials?
Blockboard
Cellulose based boards
Chipboard
MDF
Paper
What are the properties and characteristics of blockboard?
Available in large sheets
Cannot be joined traditionally
Can be veneered
What are the properties and characteristics of cellulose-based board?
Available in different thicknesses and sizes
Stiffer and stronger than paper
What are the properties and characteristics of chipboard?
Very cheap
Available in large sheets
Cannot be joined traditionally
Very poor in damp and wet conditions
Usually laminated
What are the properties and characteristics of MDF?
Plain brown colour
Very dense
Heavy
Smooth finish
Available in large sheets
Will not warp or twist
Cannot be joined traditionally
Can be veneered
What are the properties and characteristics of paper?
Strong in tension
Available in different colours
Available in different thicknesses
How is blockboard manufactured?
Softwood strips are laid edge to edge
Sandwiched between veneers
Whole sandwich is glued together under high pressure
How is cellulose-based board manufactured?
Moist cellulose pulp is pressed together and dried into a sheet
How is chipboard manufactured?
Large particles of waste wood are bonded under high pressure with adhesive
How is MDF manufactured?
Wood fibres are combined with wax and a resin binder
High pressures and temperatures set resin
How is paper manufactured?
Moist cellulose pulp is pressed and dried into a sheet
What are example uses of blockboard?
Furniture
What are example uses of cellulose-based board?
Model making
Packaging
What are example uses of chipboard?
Carcassing of cheap furniture
Kitchen worktops
What are example uses of MDF?
Carcasses of furniture
Shop displays
What are example uses of paper?
Writing paper
Cleaning tissues
Packaging
Graphic design
What are the common stock forms of papers and boards?
Sheet
Roll
Ply
