What is the difference between water-based industrial paint and oily industrial paint?

Due to increasingly stringent environmental protection policies (especially air pollution prevention and anti-metallurgy policy measures), many paint units are required to "oil-to-water", some places and industrial parks even explicitly require resident enterprises must use water-based paint, in order to pass the EIA and clean production audit. As a result, paint manufacturers are often asked by customers, "What is the difference between water-based paint and oil-based paint?" Here, the small compilation of this article, a brief introduction to the difference between the two. If you are asked this question by the customer, just one click forwarding, is it very convenient? Please remember to give a little editor a compliment when forwarding yo
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main differences are as follows:
1,
environmental protection aspects:
water-based paint water rather than organic solvents as a dispersed medium in the paint, the use of water dilution, so
VOC
emissions are very low, thereby reducing air pollution . This is currently the most important reason for oil to change water.
In addition, in version
2016
of the National Hazardous Waste Directory, a bracketed note "excluding water-based paint" is included in entries for the production and use of paints, i.e. waste generated during the production and use of water-based coatings will not be classified directly as hazardous waste, but will have to be identified as hazardous waste.
needs to be mentioned: water-like paint
VOC
low, but not all of them. Therefore,
VOC
collection and processing facilities are still to be on.2,
safety aspects
water-powered paint is not flammable, not dangerous chemicals. Oily paints are mostly hazardous chemicals (
3
flammable liquids). There are many strict requirements for the transportation and storage of hazardous chemicals, for example, they must be transported by qualified dangerous goods transport enterprises and vehicles and should be stored in Class A warehouses. Places where oily paint is used (painting workshop) should belong to Class A workshop, etc.3
, performance:
Although there is a risk of using a water-resistant paint coating in some severely corrosive environments such as impregnated environments, ultra-long durability requirements, etc. However, in most atmospheric corrosion environments, under good coating process, water-based paint can fully approach or achieve the required performance of crude oil-based paint coating.4
, cost aspects:
different paint varieties, paint material costs will rise to varying degrees. In the case of the coating system of epoxy primer
-
polyurethane finishes, water-based paints (epoxy primers and polyurethane finishes) are estimated to increase by
50-100% compared to oily
.
but the use of water-like paint, will save the cost of thinners, safety inputs and costs will certainly be reduced, three waste treatment costs may be reduced.5
, construction:
water-like paint construction process requirements are usually higher than oily paint, reflected in the following aspects:
(1)
, the treatment of the surface de-oiling requirements are higher
; Without dehumidification, forced ventilation and heating, it is difficult to use water-like industrial paint smoothly in wet and cold winter weather conditions.