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Is the black spot on the surface of the water-based paint mildew? Problem: The wooden doors of our company's surface veneer have no black spots before they are painted. After spraying the water-based paint (primer + top coat), black spots appear on the veneer during the natural drying process. I wonder if the water-based paint is mildewed? If the oil-based colorant is used to seal the bottom, will...
Is the water-based wood paint film as hard as possible? In the market of waterborne wood lacquers, hardness is one of the most concerned indicators for many Chinese waterborne paint developers and users.In the traditional concept, the harder the paint film, the better. There are often customer consultations for ways to get the paint film to 2H or even 3H.Although waterborne wood lacquers have impr...
Problem：I have not done waterborne polyurethane, the waterborne paint is a rookie .I have never done water - based, water -based is a rookie，I wonder if waterborne polyurethane also needs curing agent? If you want to use it, what is the ratio?Because of the presence of water, is it possible to go back and consume the curing agent?And I want to use this to make the electroplated silver, is it ok? R...
PH adjustment of water-based paint-Ask water character paint expert Question: If the pH value of the water-based paint is not weakly alkaline or the pH value is unstable, what effect will it have in actual use? Thank you! Response: The unstable pH of water-based paints has two main effects on water-based paints.One is that it affects the stability of the filler or paste in the resin because the pH...
Oil pocket phenomenon in water-based paint Problem: To make furniture with transparent colors, in order to save the craft and achieve the purpose of simple construction. We added water-based Color Concentrate to the topcoat for spraying, and the resulting topcoat contained some oil pockets or other unacceptable "face problems." Reply: Aqueous color concentrates are generally made of metal complexe...
Water-based paint sticky sticky brush - Ask a water paint expert Problem:Water-based paint, when brushing, paint is easy to stick to the brush, so that the color is not loose. What is this, please? Answer:the reasons why water-based paint is sticky and sticky are as follows 1.High viscosity of water-based paint: if the viscosity of water-based paint is high, the paint will stick to the brush as yo...
Question: how to make water-borne heat-resistant paint and water-borne silver powder paint? Whose resin is better? Can you provide the reference formula? Response: Hello, Mr.Zheng,We have received many similar requests for reference formulations.Industrial coatings are characterized by their complexity.It is water borne anti-rust paint likewise,because use environment and the different that ask, f...
Question: Dear expert, I am now eager to develop a new water-based paint mainly for wood. The problem that needs to be solved urgently is the drying time of water-based paint. I want his dry time to be in 30 seconds, can you achieve excuse me, excuse me be colophony its key effect. Response: Hello, the dry time of water - based paint has two concepts commonly."Surface dryness" refers to the basic ...
Common problems of water based paint: causes of shrinkage and solutions Shrinkage, known as cratering, is a common problem with water-based paints。The main cause of shrinkage cavity is impurities in water-based paint. In particular, there is oil in the area where the shrinkage cavity occurs, making the area unable to be wetted.In practical operation, the main causes of shrinkage cavity are as foll...
Problem：Some of the materials used in the construction of wood products are plywood and wood chip fiberboard. One of the rubber is the most afraid of water, water paint spray will dissolve the inside of the glue. The effect that USES close lacquer also is not ideal, how should solve? Is it easy to use sinograce chemical raw material solution? thank you . Response:This type of wood is usually ...
sinograce chemical
Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials. Sinograce Chemical Company is composed of R&D center, Manufacture center, Quality control department, Market center and International trade department. We have been dedicating to research on excellent paint/coating, adhesive for over 15 years. And now still conti...
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