Core tip: in the formulation of exterior wall emulsion paint, the design of the color base ratio must first consider the adaptation to the weather resistance of the coating
Common knowledge of coating: Division of aging degree of real stone paint, do you know
Time of Update: 2020-04-03
Core tip: according to the provisions of GB / t1766-1995, the degree of pulverization is determined according to GB / t14826, and the grade evaluation is as follows
Coating common sense: paint construction in autumn and winter can reduce chalking and cracking
Time of Update: 2020-04-03
Core tip: first of all, the special weather conditions in winter can make the putty on the wall surface solidify rapidly, reduce the pulverization and cracking, accelerate
Common knowledge of coatings: selection of pigments for heat resistant coatings
Time of Update: 2020-04-03
Core tips: heat resistant coating is widely used for coating protection of chimneys, smoke exhaust pipes, high-temperature furnaces, petroleum cracking reaction equipment, aircraft
Coating common sense: paint construction in autumn and winter can reduce the phenomenon of chalking and cracking
Time of Update: 2020-04-03
Core tip: first of all, the special weather conditions in winter can make the putty on the wall surface solidify rapidly, reduce the pulverization and cracking, accelerate
Coating process: preparation process of silicone heat-resistant and anticorrosive coating
Time of Update: 2020-04-03
Guangdong diatom mud agent suggests placing a basin of cold water in the air conditioning room, so that the diatom mud wall can breathe effectively.
Common knowledge of coating: degreasing method of organic solvent in electroplating production line
Time of Update: 2020-04-03
For workpieces with complex shapes, such as those with deep holes, concave surfaces and old oil scale, the combined treatment method should be used, that is, the workpieces should be soaked or sprayed before the steam oil removal.
Coating technology: testing index of pearlescent paint
Time of Update: 2020-04-03
Core tip: no caking after mixing, no difficulty in construction painting, no deterioration in three cycles of low temperature stability, no drying time ≤ 4H5, no crack in initial
General knowledge of coating: assessment status of building coating pulverization and aging
Time of Update: 2020-04-03
It is suggested that the renewal time of coating is closely related to the damage and aging degree of old coating, which is based on the principle of giving full play
Paint knowledge | what are the reasons and solutions for the powdering of emulsion paint after drying
Time of Update: 2020-04-03
The solution to the coating after pulverization is to clean up the powder and apply two coats of weather resistant paint diluted in normal proportion after priming with oily wall sealing primer.
Paint knowledge | main defects of emulsion paint coating: pulverization
Time of Update: 2020-04-03
Core tips: reasons: · low temperature construction · excessive dilution · no primer used · substrate absorption too fast · environmental humidity too high · poor coating · interior
General knowledge of coating: how to remove the old coating of floor paint
Time of Update: 2020-04-03
It is suitable for leather Home of coatings: the epoxy floor paint needs to be removed, mainly due to the following reasons: 1.
Paint classification: paint remover
Time of Update: 2020-04-03
It is suggested that the paint remover is a solvent or paste that can dissolve or swell the coating film, mainly composed of solvent with strong solubility, paraffin, cellulose
Super high pressure jet water cleaning
Time of Update: 2020-03-25
The surface treatment method has two significant advantages: compared with conventional blast cleaning, high-pressure jet water will not produce dust that directly pollutes the environment, and can remove water-soluble salts.
Sandblasting process
Time of Update: 2020-03-05
Three factors of surface results obtained by common sand blasting process parameters: acceleration of compressed air on jet flow (adjustment of sand blasting pressure) P type of abrasive (s) distance of spray gun (H), angle (θ) 1.
The pulverization of pigments
Time of Update: 2020-03-04
There are many reasons for the damage of the surface of the paint film, and the pigment contained in it has a great influence on the effect of light.
Corrosion mechanism of heating surface of pulverized coal boiler
Time of Update: 2020-03-04
The corrosion parts of pulverized coal boiler are usually water wall tubes, superheater tubes, reheater tubes and economizer tubes, which are called "Four Tubes"
Energy saving method of traditional ventilation cabinet in laboratory
Time of Update: 2020-02-24
Therefore, in order to save energy, it is beneficial to increase the width of the air supply outlet or reduce the height of the operation port of the laboratory fume hood.
Common faults and troubleshooting of pulverizing equipment (continued 1
Time of Update: 2020-02-13
3 Vertical Pulverizer 3.1 working principle block diagram of Vertical Pulverizer see Figure 1 for working principle block diagram of vertical pulverizer
Figure 1 shows
