Polymethyl methacrylate (
Polymethylmethacrylate, hereinafter referred to as PMMA Acrylic in English)
In Hong Kong, also known as
acrylic or organic
glass, much as the strength glue, high transparency, low price, the advantages of easy to machining, is often used in glass replacement materials.
Poly (methyl methacrylate monomers of methyl methacrylate (
MMA, acrylic monomer)
。
Acrylic chemicals called methyl methacrylate (mma), is a non-toxic at room temperature, taste is cutting the esters unique fragrance, smell will often make people dizzy, toxic but not poisonous.
When the acrylic at temperatures of more than 130 & ndash;
140 °
C, chemical reaction, can lead to an acrylic burn and produce harmful gas.
In order to better use acrylic products, we should pay attention to the following: 1, not with other organic solvents, more can't contact with organic solvent 2 transport process, cannot protect the surface protective film or paper chafed 3 cannot be used in more than 85 degrees Celsius temperature.
Of course, when the temperature exceeds 130 & ndash;
140 °
C, in aerobic conditions is another matter, will react.
When high school we studied chemistry, let acrylic complete combustion the odds are very few, so basically yakeli combustion will produce harmful gas.
The experience I have.
Our factory is specialized production of acrylic products, acrylic display rack, sometimes use laser engraving machine, every time after laser engraving machine engraving yakeli, always can smell a pungent flavor.
This is yakeli the incomplete combustion to produce harmful gas.
So in with laser engraving machine, to open the doors and Windows, ventilation condition.
Especially in the winter, not to Windows and doors locked, avoid by all means don't open air conditioning.
4 clean acrylic products only use 1% of soap and water, with a soft cloth with soap water, do not use hard objects or dry brush, otherwise the surface is easy to scratch.
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