Year1
- 包装：
- 50公斤/桶
According to the physical properties of the surface of the construction object, it is divided into two types: sand surface real stone paint and rock surface real stone paint.
Edit this paragraph Advantages and Attentions of Real Stone Paint
The production process of real stone paint is simple, low cost and excellent performance. It has broad prospects for developing to higher grades, such as environmentally friendly, high elasticity, non-stick dust and other series. . It is suitable for concrete or cement interior and exterior walls and brick walls, as well as asbestos cement boards, wood boards, gypsum boards, polyurethane foam boards and other substrates. The base layer on the surface of the construction substrate should be smooth, clean, and have good strength. The new wall should be hard-working for one month before construction. When renovating an old wall, the base layer must be leveled first to remove loose, peeling surface layers, dust, oil, etc. Construction can only be carried out after removing impurities. In order to meet the needs of the increasingly personalized development of the high-end architectural decoration industry, the development of imitation marble and imitation granite coatings has further demonstrated the importance of spraying technology. Only a more complete and matching construction technology can fully display the real stone. The unique appearance and superior performance of the paint. High-grade real stone paint must be equipped with strict construction techniques. Although the quality of the paint is good, if the construction personnel are inexperienced, low-quality, and do not understand the properties of different real stone paints or do not have a comprehensive understanding, it will also cause various problems.
Coating hardness
The coating of real stone paint is very hard after drying and cannot be picked with nails. If general real stone paint can still be picked with nails after three days of construction under good weather conditions, it should be The coating is considered to be too soft, mainly because the emulsion selected is inappropriate. When they prepare the real stone paint, they use the same emulsion as the latex paint, which results in a lower emulsion content in the real stone paint formula. When forming the film, the presence of a large amount of sand and gravel makes the coating not tight enough. According to research by coating developers: the bonding strength of the emulsion used for the preparation of real stone paint should not be lower than that, and the minimum film-forming temperature should not be lower than ℃. A higher minimum film-forming temperature may cause difficulty in film formation when the temperature is low, which can be solved by adding more film-forming additives. Film-forming additives can be completely volatilized after the coating dries and generally will not affect the performance of the coating film. Real stone paint chooses a composite emulsion with higher adhesion and higher minimum film-forming temperature, which fundamentally solves the problem of the coating being too soft.
The coating has good water resistance, stable coloring
The coating has good water resistance, stable coloring, no whitening, no color difference. Some real stone paint coatings will turn white every time it rains. It becomes loose, and after the rain stops, the coating returns to its original color after being exposed to the sun. In fact, this is caused by the poor water resistance of the coating and the absorption of water. The reason for the formula is that the selected acrylic emulsion needs to add surfactants during synthesis. In order to increase the stability of the emulsion, some manufacturers use surfactants. Some manufacturers add carboxymethyl cellulose, hydroxyethyl cellulose and other substances as thickeners when preparing real stone paint, and add sodium benzoate as a preservative. These substances are all water-soluble or hydrophilic. They remain in the coating after the film is formed, which greatly reduces the water resistance of the coating. The experiment shows that the water absorption rate of the coating formed by mixing pure acrylic emulsion and quartz sand without adding any additives and spraying is .%. On the basis of the above coating, adding .% hydroxyethyl cellulose, the water absorption rate rises to .%. Since the coating of real stone paint is thick, once it absorbs water, it is not easy to release it in a short period of time, resulting in a white appearance and loose interior of the coating. Film-forming additives selected for real stone paint: silicone-modified acrylate emulsion (silicone-acrylic emulsion). It has good water resistance after drying, so the coating will not turn white when exposed to water after drying.
As people's decorative requirements for interior and exterior wall paints increase, natural stone paint is becoming more and more popular with its unique appearance and performance. Many high-end residences, courtyards and even high-rise buildings have proposed painting with natural granite. Real stone paint, which has a very similar appearance to natural stones such as marble and marble, requires strong hardness, waterproofing, and aging resistance in terms of performance. The following will briefly introduce some experiences in the preparation of natural stone paint and its spraying process based on some of our experiences. Coating, ink, resin, adhesive, formula 1. Overview of natural stone paint. Natural stone paint is mainly made of high molecular polymers, natural colored stone sand and related additives. It is as hard as stone after drying and curing, and has the effect of imitating natural stone. , strong adhesion, weather-resistant, water-resistant, and easy to repair. It is constructed with an alkali-resistant sealing primer and a weather-resistant and waterproof protective top oil.
WhatsApp
