a non metalic solid made up of long strings of molecules

What is a thermo-hardening polymer?

a polymer that can not be reshaped more than once

what is a thermo-softening polymer

a polymer that can be reshaped when heated

-plastic oven -strip heater -electric iron

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1What is a polymer?
1. Aa non metalic solid made up of long strings of molecules
2. Ba shape with five sides
2What is a thermo-hardening polymer?
1. Aa polymer that can not be reshaped more than once
2. Ba shape with sharp corners
3. Ca hard polymer
3what is a thermo-softening polymer
1. Aa polymer that can be reshaped when heated
2. Ba polymer that can be heated
3. Ca very soft polymer
4How can a polymer be molded?
1. A-plastic oven
  -strip heater
  -electric iron
2. B- plastic oven
  -strip heater
5what does 1 in recycling codes stand for ?
1. APET
2. BPTY
6what does 2 mean in recycling code
1. AHSPE
2. BHDPE
7what does 3 mean in recycling code?
1. AHIV
2. BPVC
8what does 4 stand for in the recycling code?
1. ALDPE
2. BLCD
9what does 5 mean in recycling code
1. APP
2. BTT
10what does 6 stand for in recycling code?
1. AST
2. BPS

Descripción: year 7 Technology Test sobre polymers, creado por ebannatyne.45.... el 06/11/2013.
Autor: ebannatyne.45....
Idioma: English
Visitas: 191
Etiquetas: technology technology year 7
Valoración: 4,0 de 5 · 1 valoración
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