Silicon calcium (fly ash) particleboard production technology

Suitable for application: decoration of building decoration industry, artificial board veneer inorganic wood-based panel

Production and business unit: Wood Industry Research Institute

Application or promotion prospects

The silicon-calcium particleboard is the second-generation fly ash particleboard developed by the Institute of Wood Industry of the Chinese Academy of Forestry. The difference from the first generation is that it does not add any resin glue and cement. It is a new type of artificial man-made that uses the “hydration activity” of the fly ash itself to make it a gelling material and bond the wood shavings together. board.

Its performance is similar to cement particle board, but its dimensional stability is better than cement particle board, and its production cost is low (about 20~30% lower), and the production cycle is short (no 14-day curing period). Its mechanical properties and water resistance are superior to paper gypsum board and gypsum particle board, and it is a new type of wall material.

1, performance indicators

Density 1200 ~ 1300kg / m3

Thickness 8 ~ 25mm Format (length × width) (2500 ~ 3200) × 1200mm

Static bending strength 9.0~12.0MPa

Internal bonding strength 0.4~0.6MPa

Water immersion 24h line expansion rate 0.05~0.10%

2. Market prospects and economic benefit estimation: The annual production capacity is 15,000 m3, the production cost of 1 m3 silicon-calcium particle board is 700-750 yuan/m3, and the cost of cement particle board is 850-1000 yuan/m3, which is better than paper gypsum board and plaster according to its performance. Particleboard, similar to cement particle board. According to the prediction of the price of similar plates, the plate has strong market competitiveness and its price will not be lower than 14 yuan/m2, that is, the sales price of 1m3 (ex-factory price) will be above 1400 yuan/m3. Based on the production cost of 700-750 yuan/m3, the gross profit is 650 yuan to 700 yuan/m3, and the annual gross profit is 975~10.5 million yuan/year with an annual output of 15,000 m3. A factory with a scale of 1.5 to 20,000 m3 per year will be built. The fixed assets investment (excluding land acquisition fees) will be about 1,500 to 20 million yuan, and all investment can be recovered within 3 to 4 years (including the construction period of 1 to 1.5 years).

Contact information

Address: China Academy of Forestry, after Wanshou Mountain, Haidian District, Beijing

Zip code: 100091

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