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Planchas de espuma rígida

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17 article   /   140 Variants
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  • Styrofoam azul claro, no recortado
    9 Variants
    Styrofoam azul claro, no recortado
    from 2,40 €
    medium pore insulating board from extruded polystyrene rigid foam board, pressure-resistant, smooth, semi-gloss surfaces, straight edges, approx. 33 kg/m³, certified to EN 13501-1 norm, conforms to DIN 4102 building...
  • Styrofoam azul claro, recortado
    20 Variants
    Styrofoam azul claro, recortado
    from 1,50 €
    fine pore insulating board from extruded polystyrene rigid foam board, extremely pressure-resistant (high density), smooth surfaces (sheared), straight edges, approx. 52 kg/m³, certified to EN 13501-1, conforms DIN...
  • Espuma rígida poliestireno, blanca, no recortada
    3 Variants
    Espuma rígida poliestireno, blanca, no recortada
    from 14,80 €
    fine pore model building board from extruded polystyrene rigid foam board, extremely pressure-resistant (high density), rough surfaces (not sheared), straight edges, approx. 33 kg/m³, certified to DIN EN 13501-1:...
  • Plancha de espuma rígida/PVC Forex Classic, blanca (corte disponibiles)
    27 Variants
    Plancha de espuma rígida/PVC Forex Classic, blanca (corte disponibiles)
    from 1,20 €
    semi-gloss/semi-gloss, one side with protective film, flame resistant in compliance with DIN 4102 B1 (German Industry Norm)
  • Espuma rígida poliestireno, marfil, no recortada
    8 Variants
    Espuma rígida poliestireno, marfil, no recortada
    from 3,35 €
    medium pore insulating block made out of extruded polystyrene rigid foam; pressure-resistant, smooth, semi-gloss surface; straight edges, approx. 35 kg/m³, certified as conforming to EN 13501-1, conforms DIN 4102...
  • Plancha de espuma rígida/PVC Forex Classic, color (corte disponibiles)
    24 Variants
    Plancha de espuma rígida/PVC Forex Classic, color (corte disponibiles)
    from 3,20 €
    opaque, semi-gloss/semi-gloss, one side with protective film, flame resistant in compliance with DIN 4102 B1 (German Industry Norm)
  • Espuma rígida poliest., gris-plateada, no recort.
    3 Variants
    Espuma rígida poliest., gris-plateada, no recort.
    from 8,50 €
    fine pored modelling panel made of extruded polystyrene rigid foam, very compression resistant (high density), glossy surfaces (untrimmed), straight edges, approx. 34 kg/m³, certified per DIN EN 13501-1; Euroclass...
  • SikaBlock PUR  M600 modeling board
    6 Variants
    SikaBlock PUR M600 modeling board
    from 6,70 €
    Material: microcellular polyurethane-based modeling material, Colour: light brown, Shore-hardness: 58 Sh-D, very hard (ISO 868), Density: 600 kg/m³ (ISO 845)
  • Plancha de PUR para modelos SikaBlock M450
    6 Variants
    Plancha de PUR para modelos SikaBlock M450
    from 6,30 €
    extremely fine pored polyurethane-based light moulding material, orange, density: 450 kg/m³; compressive strength: 10 MPa (at 10% compression set, ISO 604), flexural strength: 12 MPa (ISO 178), modulus of...
  • Styropor EPS 040 DEO/WAB
    6 Variants
    Styropor EPS 040 DEO/WAB
    from 0,95 €
    multi-purpose insulation panel made of expanded polystyrene rigid foam, compression resistant (compressive stress ≥ 100 kPa per DIN EN 826), smooth edges without rim, fine pearl texture, white, approx. 16...
  • Espuma rígida de PUR para modelos SikaBlock M80
    4 Variants
    Espuma rígida de PUR para modelos SikaBlock M80
    from 14,50 €
    fine-pored polyurethane-based rigid foam for model making, bright yellow, density: 80 kg/m³; compressive strength: 0.75 MPa (ISO 604), flexural strength: 1.2 MPa (ISO 178), modulus of elasticity: 24 MPa (ISO...
  • Smart-X polystyrene panel with foam core, custom cutting
    2 Variants
    Smart-X polystyrene panel with foam core, custom cutting
    from 27,50 €
    100 % polystyrene, white, opaque, matte/matte, lightly grained, weather-resistant for up to 2 years (without significant change in colour), weight: 5 mm = approx. 1 kg/m², 10 mm = approx. 2 kg/m²,...
  • Plancha de PUR p. modelos SikaBlock M330 (240 kg)
    6 Variants
    Plancha de PUR p. modelos SikaBlock M330 (240 kg)
    from 10,50 €
    extremely fine pored polyurethane-based light moulding material, siena, density: 240 kg/m³; compressive strength: 4 MPa (ISO 844), flexural strength: 5 MPa (ISO 178), modulus of elasticity: 150 MPa (ISO 178), linear...
  • Plancha PUR modelos/herramientas SikaBlock M1000
    6 Variants
    Plancha PUR modelos/herramientas SikaBlock M1000
    from 17,50 €
    homogeneous polyurethane-based modelling material, cream white, extremely hard (75 Sh-D), density: 1000 kg/m³; compressive strength: 47 MPa (at 10% compression set, ISO 604), flexural strength: 48 MPa (ISO 178),...
  • Plancha de poliestireno Smart-X, núcleo de espuma
    4 Variants
    Plancha de poliestireno Smart-X, núcleo de espuma
    from 4,20 €
    100 % polystyrene, white, opaque, matte/matte, lightly grained, weather-resistant for up to 2 years (without significant change in colour), weight: 5 mm = approx. 1 kg/m², 10 mm = approx. 2 kg/m², protective foil...
  • Plancha de espuma rígida de PS Selitron, blanca
    2 Variants
    Plancha de espuma rígida de PS Selitron, blanca
    from 2,90 €
    interior insulating board from extruded polystyrene rigid foam board, pressure-resistant, medium pore, smooth, semi-gloss surfaces, approx. 30 bis 40 kg/m³, certified to DIN EN 13501-1
  • Espuma rígida de PUR para modelos SikaBlock M150
    4 Variants
    Espuma rígida de PUR para modelos SikaBlock M150
    from 23,20 €
    very fine pored polyurethane-based rigid foam for model making, light yellow or light green, density: 150 kg/m³; compressive strength: 1,6 MPa (ISO 604), modulus of elasticity: 65 MPa (ISO 178), linear coefficient...
Información sobre Planchas de espuma rígida

Foams are described in the German Industry Norm 7726 thus: “materials which have cells (open, closed or both) distributed throughout the entire mass and which have a bulk density (DIN 53420) which is less than the density of the skeleton substance.” Every plastic, whether thermoplast, duroplast or elastomer, can theoretically be reworked into a foam but only a few types like polystyrene, PVC or polyurethane have any real practical applications.

There are various methods for producing foams from plastic: in the production of polystyrene foam, polystyrene granules which already contain a blowing agent are steam shocked into forming the well known polystyrene beads. The high temperatures of the steam soften the thermoplastic polystyrene and the blowing agent vaporises whereupon small bubbles develop within the beads. The addition of more steam brings about the second stage of the production whereby the beads are fused together and polystyrene foam blocks, sheets or shaped parts are formed.

The production of the considerably thicker and sturdier polystyrene rigid foams is a different matter. The PS granules are pressed together using an extruder and a blowing agent is added under pressure. When the material strand leaves the extruder jet, the blowing agent expands and turns the plastic into foam.

Chlorofluorocarbons (CFC) have often been used as the blowing agent and still are – however in a modified form. After the passage of the CFC halon ordinance in 1991, a whole group of chlorofluorocarbons with a high potential for damaging the ozone have been forbidden for use as blowing agents. Manufacturers now use in their place gases like CO2 or partially halogenated hydrocarbons with less negative potential.

For the production of polyurethane foams other processes than those used with PS or PVC must be used because crosslinked polyurethane can no longer be melted. PUR foam is formed when the fundamental component of the plastic is foamed during the crosslinking reaction. During this process chemical or physical blowing agents are utilized. Many different polyurethanes require no agents at all for foaming because the fundamental components give off carbon dioxide during the crosslinking reaction which itself foams the reaction mass.

Uses: Rigid foam is the basis for a large range of products: because of its insulating qualities polystyrene foam or PS rigid foam is used in construction as well as for making disposable tableware. What makes the inexpensive expanded polystyrene especially interesting as an impact resistant packaging material is its combination of light weight (the density of polystyrene foams runs between 20 and 200 kg/m³) and relatively high stability.

Polyurethane foams can be found practically everywhere: rigid foams as insulation, thicker sheets as self-supporting construction components, soft foam in chair cushions, car seats, armchairs and mattresses – and you have certainly had the kitchen sponge cloth often enough in your hands.

From a special representative of the class of foams many flexible tennis shoe soles are made. The so-called integral foams display a variety of different densities. The core is somewhat loose but as you move outwards towards the surface the increasingly denser cell structure becomes ever more compacted until finally at the surface itself a smooth consistent layer is built. The soft PU integral foams can not only be found caressing our feet but are also accompanying us when driving our cars as headrests, steering wheels or dashboards.

The above mentioned combination of high stability and low density is also taken advantage of in making sandwich panels. Boards like KAPA Line or KAPA Mount which are so often used in the fields of exhibitions and advertising are mostly made out of polyurethane foam which is covered in paper or cardboard. As a result, square-metre large paper surfaces with light weight and excellent stiffness are created.

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