Environmental interior decoration coating with water base gloss cement paint

Preface

Yung Chi Paint & Varnish Mfg Co., Ltd. (YCP)was founded in 1951. Through the decades efforts YCP is getting a leading name of “Rainbow Paint” in Taiwan, has launched into Taiwan and will focus on paint worldwide, brushing out a colorful rainbow from family housing to those who closely related industry with manlife are easily to find the traces of “Rainbow Paint”. Releasing the durable protecting and charming color from YCP’s thin paint film, it beautifies our life and creates economic prosperity, YCP’s professional paint management team has continually renewed its facilities, expanding its land and factory within past years Besides, all the employees concentrate their centripetal force caused to YCP obtained quality certificates of ISO 9001,National Standard & Green Products ets., its best quality paints & coats have widely earned both recognition and patronage by diverse aspects of our clients.

“Rainbow Paint” of YCP is not only a paint industry leader in Taiwan, but also a sole paint company listed on The Taiwan Stock Exchange (TSE). Gathering with some leading international paint companies to innovating YCP’s technology for meeting all continually changing needs from our customers. YCP has deeply rooted in traditional industry and now will make inroads into so-called technological industry base on the spirit of persevering innovation to enable YCP to be recognized as one of the paint industry leader in the world. Guided by our quality policy of “Best Quality for our Supreme Customers” with the commitment of “Progressive Improvement for Customer Satisfaction”, YCP will continually work with our clients to create a double-win circumstance. 

Company Briefing

Ready-Mixed Paint

Most of the ready-mixed paint found on the market is mixed with alkyd resin, weather-resistantpigments, and additives. It is used for painting ordinary metal and wood. The paint film of ready-mixed paint is hard, good adhesion, and is easy to use and work with. Its drying time is long: Normally, the overcoating intervals is above 10 hours. If the painted film is too thick and takes too long to dry, wrinkles or cracks may appear on the surface because the paint under the dry surface is still wet.

The paint can be applied with brush, roller, or air spray. It must be well and thoroughly mixed before use; if the paint viscosity is too high, thinner can be used as the dilution. The amount of dilution varies according to the tool used for painting.

Cement Paint

Generally, cement paint can be divided into two types: water-based and solvent-based. 

A. Solvent-based cement paint: 
The main formula is acrylic resin, mixed with special synthetic resin and pigments with good resistance to weather and alkali. Its paint film is hard and flexible, and is resistant to weather, water, and chemical damage. It also adheres well to cement surfaces and dries easily. Xylene can be used as its dilution. Solvent-based cement paint can be painted on cement walls to protect and decorate the walls of a building. 

B. Water-based cement paint: 
This paint can be subdivided into the categories of indoor and outdoor. The formula for the outdoor paint is acrylic resin, which has good weather and alkali resistance, mixed with weather-enduring pigments, and the additives. The paint features high gloss, hard film, and good water, alkali, and weather resistance. Indoor paint is made with water-based resin, with good water and alkali resistance, enduring pigments, and the additives. 

The paint must be well mixed before use. If the paint is too thick, water can be used to dilute it. The manufacturer’s instructions and the requirements for dilution must be followed. Using water as the dilution means that the paint is neither a source of environmental pollution nor a fire hazard. Water-based cement paint is widely used in office buildings, hotels, public spaces, hospitals, residences, and factories to protect and decorate the walls. Easy to use, it can be divided into gloss, semi-gloss, and flat, each category tailored to meet different needs. 

Emulsion Paint

Emulsion paint is a water-soluble coating formulated with alkali-resistant pigments and additives.Generally, it can be divided into the following categories by resin system:

A.     Acrylic Emulsion System

B.     Poly Vinyl Acetic Acid  (PVAC)

C.     Poly Vinyl Chloride (PVC)

D.     Poly Vinyl Alcohol (PVA)

The color of emulsion paint is soft, and the paint is easy to use. Most users believe that emulsionpaint has a less desirable physical chemistry than cement paint. This is not exactly true, since thegood emulsion paint is more useful than cement paint. Typically, flat emulsion paint is more frequently used since it covers the roughness of the walls. It is widely used in industries andhouseholds.

Anti-Corrosive Primer

Anti-corrosive primer is used on steel and other metallic products to prevent oxidation and corrosion. There are many kinds of primer, all of which cannot be fully listed here. 

Most of the primer bases are alkyd resin, phenolic resin, chlorinated rubber, epoxy resin, vinyl resin, ethyl silicate. These are mixed with anti-corrosive pigments, such as ferric oxide, MIO, alumina powder, alumina paste, zinc powder, red lead, zinc chromate, zinc phosphate, aluminum tripolyhosphate, PbO, and others. The anti-corrosive effect depends on the types of resin, anti-corrosive pigments, adhesiveness, and other features.  

The drying time of the primer, which depends on the type of resin, can range from one to eight hours. The thickness of the painted film also influences the drying time. In addition, the middle or topcoat used on the primer should be compatible with the primer. (The compatibility of the paint must be checked.) A wrong choice may result in cracks, wrinkles, blisters, lifting, and the inability to dry properly. The basic principle of choosing the primer and the middle or topcoat is that they should belong to the same resin system; or the solubility of thinner in the middle or topcoat must be weaker than the primer.

Polyurethane paint is also called PU paint, and is usually divided into one-pack and two-pack systems. The one-pack system can be further divided into three types: oil-modified, block, and moisture-cured. Most products found on the market belong to Polyol-cured (two-pack) and moisture-cured (one-pack) (1), which are suitable for DIY.

 

Before the two-pack PU paint is used, the base and the curing agent must be well mixed. The curing agent, polyisocyanate, is toxic, and care must be taken when using it. The moisture-cured type must be used and dried in an environment of high relative humidity.

 

PU paint has good water, chemical, and weather resistance, and is frequently used in painting outdoor construction.

In choosing PU paint, consumers must know that the L type PU paint ages easily and is not suitable for light painting. To prevent aging, it is better to use N or NN type PU paint.

 

When using PU paint, one must follow the mixing ratio instructed by the manufacturer and use the specified dilution to ensure its characteristics, the curing effect, and the best function of its film. Usually, an air spray is used for PU paint (2), and thickness of each coat should not be too thick, otherwise the painted surface will be blistering.

(1) The moisture-cured PU paint should belong to the two-pack system: One pack is the paint itself; the other pack is the air's moisture.

(2) The paint should be ordered specially to prevent a blistering surface if the application is by brush and roller.

 

 

 

 

Epoxy Coating

Epoxy resin is a kind of polymer formulated by Bisphenol A and Epichlorohydrin. It is widely used as an adhesive, a dental material, an injection material for plastic, a construction material, as electrical insulation, and so on. The coating based on epoxy has excellent properties in adhesive, chemical (especially alkali) resistant, abrasion resistant, and insulator. Therefore, it is widely used by food manufacturers, GMP, electric-related manufacturers, hospitals, and other operations where good sanitary and hygienic conditions are extremely important.

 

Epoxy can be divided into water-based and solvent-based types. The water-based type is widely used on the interior walls and the floors in electrical manufacturers, food manufacturers, and GMP factories. The solvent-based type can be further divided into solvent and solventless types.

 

There are three kinds of epoxy resins: esterification, thermal curing, room temperature curing. The room temperature curing epoxy resin is better in application, workability, and quality, and is therefore more frequently used. This type dries aided by the proper mixture of  epoxy as the base agent and polyamide or polyamine as the curing agent. After application, the cross-linking reaction under normal temperatures will dry the mixture. The ratio of the mixed components must follow the manufacturer’s instructions. The mixed paint can be used at once but is limited by its pot life. The painting tools must be cleaned thoroughly after use.

 

The physical and chemical property of epoxy paint is better than PU paint. However, epoxy paint cannot resist UV rays, which will cause discoloring and chalking of the film. Therefore, most exterior construction will use PU paint as the topcoat.

 

The Painting and Surface Preparation Standard of S

Most of the industrial facilities are semi-permanent steel constructions with complicated structure, which, all the year round, are exposed to polluted environments where corrosion takes place very easily. In order to use coating to protect those facilities and equipments, and consequently to prevent corrosion and maintain normal production, it is demanded to utilize high-quality paints and employ qualified painting personnel who posses correct knowledge about coating performances and appropriate working procedures. Therefore, to paint industry, it is truly an important issue to conserve the service life of industrial facilities by understanding the characteristics of every kind of paints, selecting appropriate paints for different applications, and performing correct painting procedures.

 5 GALLONS FOR PER DRUM, 48 DRUMS FOR PER PELLET. 20 PELLETS FOR ONE 20' CONTAINER, FOB KAOHSIUNG

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