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Question:

What are the technical names for.?

1/ buscuit wrapping2/ cling film3/ tin foilI found sulphate, sulphite and cellulose on a website which i thought talked about these materials, but im really confused now:P Do you know if they were inclded in making any of these things and how? Its for my technology work and its theme is resistant materials and packaging.Please tell!

Answer:

I'd take the lower hose off and have the aluminum part welded up againOr if that can't be done you can like you said try the epoxy as its pretty goodIf it doesn't work it won't wreck it sa you will be able to file it away.
You need to replace the tube, it will leak somewhere else in tubeIt's most likely pitted on insideDon't use stop leak.
replace the pipe,if it has a rust hole then there will be more comeing
Cling film is typically made of PVC, polyvinyl chlorideThis is a polymer of an organic substance called chloroethene (also known as vinyl chloride, hence polyvinyl chloride)The formula for chloroethene is C2H3ClWhat PVC consists of is many C2H3Cl molecules stuck to each otherEach single molecule is called a monomer, which when put together in long chains form the polymer Tin foil consists of thinly hammered sheets of tin, as the name suggestsChemical symbol for tin is Sn, in case it helps with your technology workThis was the traditional 'tin foil' used years agoHowever, it tended to give a slight tin-like taste to whatever food was wrapped in itNowadays, what we call 'tin foil' is often actually thinly hammered sheets of aluminium, symbol AlThis doesn't give any metallic taste to food, and is an otherwise identical substituteBy the way, aluminium foil, which replaced proper tin foil sometime in the early 1900s, is a lot less stiff than the tin equivalentFoil made from Sn is significantly stiffer than foil made from AlAs for biscuit wrapping, not really sure what material you're referring to - sorry :) Hope this helps :)

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