GFRC Introduction

GFRC Introduction

1, GFRC material composition.

The main raw materials used by Longyuan GFRC must meet the following standards to ensure the quality of the products from the source:

Cement: Portland cement in accordance with ASTM C150;

Glass fiber: Accord with PCI-MNL-130 standard, minimum zirconia content 16%;

Silica sand: Comply with BSEN 812 Section 103.1:1985, silica> 96%, Cl-Ion ≤ 600ppm, loss on ignition up to 0.5%;

Buried parts: all use hot-dip galvanized GB steel;

Admixtures: All imported products, including material additives and surface protection, self-cleaning products.

2, GFRC production status.

The emergence of GFRC began in the early 1970s. It was jointly developed by the British architecture research institute and Pilkington Brothers. It has gradually expanded to more than 40 countries including Japan, the United States, Germany, the Netherlands, Spain, Italy, China, Singapore and Romania. After decades of time, GFRC has been continuously improved, and mature standards have been established for process technology and quality (referenced international standards include BSEN/ASTM/PCI, etc.). Although there are industry standards in China, their standards are virtually insignificant due to the drive of interests and oversight of implementation. Although there are thousands of manufacturers, all of them are based on local laws and only make profits. They do not pay attention to the intrinsic quality of products. (Physical properties), using counterfeit materials, cutting corners, and even using steel bars instead of high-cost alkali-resistant glass fiber, resulting in a product with only a few years of service life. Decorative articles, especially for high-rise buildings, are equivalent to installing an aerial bomb at any time. There is a danger of cracking and falling off due to aged corrosion. The GFRC products manufactured by Longyuan in full compliance with the current standard process have excellent physical properties and can live with buildings for the same lifetime.

GFRC is also referred to as GRC in China. In recent years, European-style buildings have become popular around the world. Because of its unique performance, GFRC has become the material of choice for imitation European architecture, and a large number of GRC component companies are surging. However, as a new industry, it will also be improved and improved in the future, and it will fall into the quagmire of disorderly competition. In Shanghai, Beijing, and Guangdong alone, GFRC component manufacturing companies have grown to several hundred, and some manufacturers have tens of thousands of yuan to create a small workshop. Regardless of corporate standards, construction qualifications, and even what GRC does not know, they begin to engage in projects. Blind production, resulting in vicious competition, resulting in cutting corners, shoddy, service shrink, disputes continue. Only a small number of production companies can follow the domestic relevant product standards or international GFRC quality standards as enterprise standards to comply with, but most of the production companies simply do not have any product standards, and what is more, they do not know what standards, some users of GFRC Little is known about it. Take glass fibers as the main reinforcing material in GFRC products (it is equivalent to reinforcing steel bars in reinforced concrete), according to regulations, alkali-resistant glass fiber must be used, and some companies use high-, medium-base or Non-alkali glass fiber mesh cloth and other non-alkali glass fiber, although the initial performance of the product can meet the standard requirements, but the late failure is serious, in some conditions within 10 months can be exhausted 90%. The State Economic and Trade Commission once twice ordered the elimination of high-alkali glass-fiber mesh cloth produced from cullet, so there are orders to stop it. It is mainly the temptation to create counterfeit profit because the raw material cost of its products is only raw materials for anti-alkali products. Of the 1/20, virtually all products made with non-alkaline fiberglass are unqualified. As the drafter of the industry standard, Longyuan called on people of insight to standardize market behavior as soon as possible and crack down on counterfeit and inferior products, allowing users to feel comfortable choosing GFRC products.

3, GFRC production process

Mainly include: jet roll forming (used by standard process manufacturers), hand lay-up (manufactured by hand workshop manufacturers), etc.

4、Features of GFRC products

After continuous improvement, it has high strength, exceptional durability, high fire resistance, simple maintenance, free from weather or UV light, lightness, and many colors. Mainly applicable to door and window covers; decorative lines; exterior wall panels; roofing; pillars; railings; faceplates; brackets; outdoor furniture; landscape architecture; urban sculptures; And the shape is changeable. The effect can imitate all the textures and effects of nature such as stone, imitation stone, imitation metal, imitation wood grain, imitation sandstone, etc. It can replace the traditional marble exterior wall and decorative components. It is the construction or engineer's Ideal choice.