Sources and Origins of Paper https www youtube
Sources and Origins of Paper https: //www. youtube. com/watch? v=jmg. Md. DH 14 s. E
Sources and Origins of Paper and board come from trees Paper and board are made from Cellulose Fibres Pulping is the very important stage in turning wood into Cellulose Fibres Pulp is washed and bleached to make it white Pulp is squashed flat with rollers to make paper
Sources and Origins of Paper Task: Using the picture opposite and knowledge learnt from watching the previous video. . Cut out and put in the correct order in your books, the stages of producing paper and board Trees are cut down and taken by lorry to a paper mill The small bits of wood undergo chemical pulping to turn them into a mushy brown pulp. The pulp is washed and bleached to make it white. It is then pressed flat between rollers and cut to size The bark is stripped off. The wood is then cut into small pieces by a chipper
Corrugated Cardboard Corrugated cardboard goes through an extra stage of manufacture. Corrugated cardboard has a fluted inner core – The fluted inner core is stuck to the outer layers to form a laminate Corrugated cardboard makes excellent packaging material because it is strong, ridged and light weight https: //www. youtube. com/watch? v=8 i 3 ri. Kv. CYk. M
The Board Biggies… Name Cartridge Paper Layout Paper Tracing Paper Grid Paper Bleed-proof paper Description Use(s) Picture
The Paper Biggies… Name Solid White Board Corrugated Board Duplex Board Foam Core Board Paper + Aluminium = Foil Lined Board Description Use(s) Picture
Stock forms of paper and board Paper thickness is measured in grams per square metre (gsm). This is the weight of one square metre of the paper. Paper is available in sizes from A 0 (biggest) to A 6 (smallest). The most common size is A 4. Each size is half the one before, eg A 4 is half the size of A 3. - Biggest paper size A 0 - A 1 = Half the size of A 0 - A 2 = Half the size of A 1 - A 3 = Half the size of A 2 - A 4 = Half the size of A 3 ……and so on Board thickness is measured in microns. When paper reaches a weight over 200 GSM it becomes board.
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