1. Excellent fire resistance: Polyurethane double side sealed glass wool sandwich board adopts raw materials, production technology and formula, which makes it have good fire resistance. The test shows that it has a fire resistance of more than 1000 ℃. Polyurethane double-sided sealed glass wool sandwich panel has passed the test of the authoritative testing organization gioroano S.p.A. according to the standards of international organization for Standardization (ISO), British BS and German DIN, the glass wool sandwich panel meets the requirements of fire protection standards M.I. 14 / 09 / 61 letter 91 and D.M. 30 / 11 / 83. The test results are as follows: 50mm thick polyurethane double side sealed glass wool sandwich panel ei30, 80mm thick polyurethane double side sealed glass wool sandwich panel REI 60100mm thick polyurethane double side sealed glass wool sandwich panel REI 120.

2. Good thermal insulation: the thermal insulation of polyurethane double-sided sealed glass wool sandwich board is calculated based on the thermal conductivity of glass wool = 0.043 w / m2 K and the thickness of glass wool core material in corresponding proportion.

3. Remarkable sound insulation and absorption effect: Polyurethane double side sealed glass wool sandwich board can significantly reduce the noise transmission, especially suitable for places with designated flights. In addition, after the glass wool roof panel is adopted, the indoor sound caused by the impact of rain and hail on the roof steel plate of the building is also significantly weakened. Through the test, according to iso717 / 82 and uni 8270 / 7 standards, the sandwich board with 120kg / m3 glass wool as the core material is selected, and the sound insulation effect can reach RW = 29 ~ 30 dB. Glass wool sandwich board has good sound absorption effect at the same time. It can absorb sound in a wide frequency range. According to ISO 354 / 85 standard, the sound absorption performance level of glass wool sandwich panel reaches delta La = 15.7 dB (a).

Polyurethane double side sealed glass wool sandwich panel gives full play to the unique properties of glass wool core material, and has remarkable effects in fire prevention, thermal insulation, sound absorption and sound insulation; At the same time, it retains the advantages of polyurethane plasticity, airtightness, high strength and non water absorption. The advent of this material is a revolutionary change in construction engineering, which fully integrates the advantages of polyurethane and glass wool, and discards the shortcomings of traditional plates. In a sense, polyurethane double side sealed glass wool sandwich panel can not be compared with ordinary glass wool sandwich panel.