Need to remind everyone that the iPhone 4 and 4S batteries are not compatible with the iPhone 5 in terms of size and capacity, and there is currently no third-party battery for the iPhone 5 on the market. Thanks to the CIPAS staff for the disassembly, the replacement of the battery is expected to take 20 minutes (of course, this is the time spent by professionals, novices depending on individual ability).
**Steps, open the iPhone.
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- Because the iPhone 5 is equipped with the same screws as the small 4 and 4S, we can still use the 4S screwdriver to remove the iPhone 5.
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- Use the suction cup to suck up the screen of the iPhone 5, but it is not completely peeled off, because at the top of the fuselage, the screen components still have wires connected to the motherboard, and can not be pulled arbitrarily.
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- In this way, draw one side and keep the other side.
The main raw materials for cosmetics are usually divided into general matrix materials and natural additives. Cosmetic universal matrix
Raw materials include: oily raw materials, surfactants, humectants, binders, powders, pigments, dyes, preservatives, antioxidants, perfumes.
Oily raw material
Mainly refers to oils, wax raw materials, hydrocarbons, fatty acids, fatty alcohols and esters, etc., is a major raw material for cosmetics.
Vegetable oil: linseed oil, sunflower oil, cottonseed oil, soybean oil, sesame oil, olive oil, coconut oil, castor oil
Animal fats: mink oil, egg butter, lanolin, lecithin, etc.
The waxes mainly used in cosmetics are: palm wax, candelilla wax, jojoba wax, wood
Wax
Hydrocarbons: liquid paraffin, solid paraffin, microcrystalline paraffin, ceresin, petrolatum, and the like. Myristic acid, myristate, squalene, squalane, etc.
Synthetic raw materials: squalane, lanolin derivatives, polysiloxanes, fatty acids, fatty alcohols, fatty acid esters, lanolin, lanolinic acid, pure wool wax, acetic acid wool wax, acetylated wool alcohol, polyoxyethylene hydrogenation Lanolin and so on.
Inorganic powder materials used in cosmetics are: talc, kaolin, bentonite, calcium carbonate, magnesium carbonate, titanium dioxide, xin
Powder: talcum powder, kaolin, bentonite, titanium dioxide, silicon powder
The organic powder raw materials include zinc stearate, magnesium stearate, polyethylene powder, cellulose microbeads, polystyrene powder, etc., and are mainly used in cosmetics of various powders such as talcum powder, powder, powder, rouge and the like. As an adsorbent.
Daily Chemical , Surfactant , Cosmetic additive
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