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Sandwich plate material
by：CSSSLD
2021-02-03
XPS board has a very low water absorption, about 10 times smaller than the EPS board, the water vapor permeability is 2 - less than EPS
4 times.
Injection molding processing of XPS plate these advantages make he can prevent the invasion of the rain, and to prevent moisture infiltration, avoiding water by condensation within the material.
Another advantage of XPS plate is has high compression strength, density - 21
45 kg of XPS board, compression strength is 104 -
690 kpa, is much higher than that of EPS.
most typical sandwich panels, for rigid polyurethane foam inner core, two layer USES the metal plate, the thickness range for 30 - usually 240mm。 This composite has good rigidity, and has the very good thermal insulation, construction is simple and convenient. Slurry spraying is a polyurethane material with the help of injection pressure to the surface reaction, and immediately on the surface bubbles, within 24 h strength needed to complete the curing and achieve a kind of method.
wire gathering originative styrene sandwich panels, or 3 d board, main characteristic is qualitative light, high strength, heat preservation, sound insulation, waterproof, suitable for high-rise frame structure building enclosure wall and inner wall. XPS plate is produced by extrusion technology of sheet, is a new development in recent years a new type of heat preservation and heat insulation board. XPS board for the obturator structure, its thermal conductivity is 0. 0289, heat preservation sex than 25% higher than that of EPS, and still can maintain its use 180 d within five years - 90% of the heat preservation performance 95%.
spraying operations can be divided into manual spraying and mechanical automatic spraying two kinds. This process faults rules shape can be acquired, product surface smooth enough. Usually in the foam surface, according to their needs, and then coated with various protection materials and decoration materials. Process formula similar to spraying method of casting process, a variety of reactive material mix after pouring into the mold, foam under normal temperature, atmospheric pressure, and then heat curing mold release. Casting can produce whole wallboard, uniform product thickness, the surface is bright and clean.
polystyrene foam plastics are closed-cell foam structure. Using polystyrene foam plastic is mainly in the construction field plate. According to different production methods, the foamed board, can be divided into the expandable and extrusion foaming board two kinds. EPS board, the board that is with bead foaming process. Construction projects to use the thermal conductivity of EPS board in 0. 04 w here. At present in the building construction site, use density 15 more 15-20 kg, thickness 20 mm EPS board, the compression strength of the plate is in commonly - 60 150 kpa, if the density is increased to 40 kg, the compression strength can reach more than 300 kpa.
rigid polyurethane foam has good physical and mechanical performance, use for a long time there will be no changes in the intensity, foam has certain elasticity and elongation. Even with the base material of joint crack, also will not lead to a bust. Rigid polyurethane foam injection tooling aging period for 16 years, thermal aging period for 60 years, the paper as the cover material of foam sandwich panels, at 20 ℃ temperature, thermal conductivity can be stable at least 50 years.
the best EPS insulation performance, density range is 40 - 60公斤。 EPS used in exterior wall heat preservation abroad for nearly 40 years of history. Construction, directly to the EPS board paste on the wall surface by adhesives, foam board outside and paste reinforced with glass fiber grid cloth, the final coating a layer of surface decoration and protection. The EPS as sandwich material, consisting of a variety of surface composite sandwich plate has been widely used in the field of architecture.
more excellent articles: skin materials and decoration film, click directly.
http://www。 csssld。 cn//html/2017/Info_0409/545。 HTML
nantong on suye's official website: http://www. csssld。 Cn / /
more wonderful articles, immediately search: changshu da plastic products factory smoothly
most typical sandwich panels, for rigid polyurethane foam inner core, two layer USES the metal plate, the thickness range for 30 - usually 240mm。 This composite has good rigidity, and has the very good thermal insulation, construction is simple and convenient. Slurry spraying is a polyurethane material with the help of injection pressure to the surface reaction, and immediately on the surface bubbles, within 24 h strength needed to complete the curing and achieve a kind of method.
wire gathering originative styrene sandwich panels, or 3 d board, main characteristic is qualitative light, high strength, heat preservation, sound insulation, waterproof, suitable for high-rise frame structure building enclosure wall and inner wall. XPS plate is produced by extrusion technology of sheet, is a new development in recent years a new type of heat preservation and heat insulation board. XPS board for the obturator structure, its thermal conductivity is 0. 0289, heat preservation sex than 25% higher than that of EPS, and still can maintain its use 180 d within five years - 90% of the heat preservation performance 95%.
spraying operations can be divided into manual spraying and mechanical automatic spraying two kinds. This process faults rules shape can be acquired, product surface smooth enough. Usually in the foam surface, according to their needs, and then coated with various protection materials and decoration materials. Process formula similar to spraying method of casting process, a variety of reactive material mix after pouring into the mold, foam under normal temperature, atmospheric pressure, and then heat curing mold release. Casting can produce whole wallboard, uniform product thickness, the surface is bright and clean.
polystyrene foam plastics are closed-cell foam structure. Using polystyrene foam plastic is mainly in the construction field plate. According to different production methods, the foamed board, can be divided into the expandable and extrusion foaming board two kinds. EPS board, the board that is with bead foaming process. Construction projects to use the thermal conductivity of EPS board in 0. 04 w here. At present in the building construction site, use density 15 more 15-20 kg, thickness 20 mm EPS board, the compression strength of the plate is in commonly - 60 150 kpa, if the density is increased to 40 kg, the compression strength can reach more than 300 kpa.
rigid polyurethane foam has good physical and mechanical performance, use for a long time there will be no changes in the intensity, foam has certain elasticity and elongation. Even with the base material of joint crack, also will not lead to a bust. Rigid polyurethane foam injection tooling aging period for 16 years, thermal aging period for 60 years, the paper as the cover material of foam sandwich panels, at 20 ℃ temperature, thermal conductivity can be stable at least 50 years.
the best EPS insulation performance, density range is 40 - 60公斤。 EPS used in exterior wall heat preservation abroad for nearly 40 years of history. Construction, directly to the EPS board paste on the wall surface by adhesives, foam board outside and paste reinforced with glass fiber grid cloth, the final coating a layer of surface decoration and protection. The EPS as sandwich material, consisting of a variety of surface composite sandwich plate has been widely used in the field of architecture.
more excellent articles: skin materials and decoration film, click directly.
http://www。 csssld。 cn//html/2017/Info_0409/545。 HTML
nantong on suye's official website: http://www. csssld。 Cn / /
more wonderful articles, immediately search: changshu da plastic products factory smoothly
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