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Protan
35 EPDs
EPD: Sandwich panel, with double steel facing and PIR insulation, L = 0.022 W/mK, 120 mm, 11.7 kg/m2, Lambda=0.022 W/(m.K), SP2B E-PIR, SP2B E-PIR ENERGY, SP2B E-PIR B, SP2B E-PIR B ENERGY, SP2E E-PIR B, SP2E E-PIR B ENERGY, SP2B E-PIRE, SP2B E-PIRE ENERGY, SP2E E-PIRE, SP2E E-PIRE B, SP2B X-PIR, SP2B X-PIR ENERGY, SP2D X-PIR and SP2D X-PIR ENERGY (Ruukki)
Sandwich panels are cost-effective prefabricated elements for use in façades, compartment structures, partition walls, ceilings and roofs. Typical applications include industrial and commercial buildings, sports facilities, warehouses and power plants. The panels can be used in food industry construction and demanding clean room applications. An optimal insulation core is selected based on customer needs, ensuring excellent thermal insulation properties, even for thin panels. Moreover, the panels have a high sound reduction index and excellent fire resistance, making them an outstanding material for fire partitions. Sandwich panels consist of an insulating core bonded between two colour-coated steel sheets or between two stainless steel sheets. Panel facings are mainly made of hot-dip galvanised steel sheeting. Steel is an alloy of mainly iron and carbon, with small amounts of alloying elements. These elements improve the chemical and physical properties of steel such as strength, durability and corrosion resistance. The alloying elements of steel are closely linked to its chemical matrix. The steel density is 7 850 kg/m3. The zinc coating quantity is 275 g/m2, but lower zinc quantities may also be used, depending on end use application. The steel sheets used in the panels are typically coated with Hiarc or polyester on the external facing side and with polyester on the reverse internal facing of the panel. Additionally, we offer special coatings and stainless steel options depending on the application and special weather resistance requirements. The insulation core is made of rigid, HCFC-free, self-extinguishing and sustainable polyisocyanurate (PIR) foam frothed with pentane. The foam density of the material is 36-39 kg/m3. Sandwich panels with PIR core are available in thicknesses ranging from 40 to 200 mm. Due to their extremely low thermal conductivity ratio, the sandwich panels result in thinner-than-average structures without compromising their insulation properties.
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