The difference between extrusion plate and foam plate performance

Current warm insulation materials are common: Polystyrene foam insulation Board (EPS) and polystyrene extruded insulation Board (XPS). Polystyrene foam insulation Board (also known as foam plate, EPS plate) by the containing volatile liquid foaming agent of the expandable polystyrene beads, after heating pre-heating in the mold of the white object, which has the structural characteristics of fine closed holes, mainly used in building walls, roof insulation, composite plate insulation, cold storage, air conditioning, vehicles,
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The ship’s thermal insulation, floor heating, decoration carving and other uses are very extensive. Polystyrene Extruded Insulation Board (XPS), referred to as extruded plastic plate is polystyrene resin as raw material, through the special process of continuous extrusion foaming molded hard sheet, its interior is a separate closed bubble structure, is a high pressure resistance, no water absorption, moisture-proof, breathless, light, corrosion resistance, long service life, Environment-friendly insulation materials with low thermal conductivity and other excellent properties.
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Extruded polystyrene (XPS) insulation board is widely used in wall insulation, flat concrete roof and steel roof insulation, low temperature storage ground, parking platform, airport runway, expressway and other fields of moisture-proof insulation, control the ground frost heave. First, excellent, durable thermal insulation extrusion plate, thermal conductivity of 0.028W/MK, with high thermal resistance, low linear expansion rate characteristics. Its thermal conductivity is much lower than other insulation materials such as: EPS plate, foaming polyurethane insulation mortar, cement perlite and so on.
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At the same time, due to the stable chemical structure and physical structure of this material, to ensure the durability and stability of the insulation performance of this material. Second, superior water-resistant, moisture-proof extrusion plate with a tight closed-hole structure.
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Polystyrene molecular structure itself does not absorb water, the front and back of the plate and there is no gap, therefore, the water absorption rate is very low, moisture-proof and anti-penetration performance is excellent. Third, high-strength compression extrusion plate Because the foaming structure is closely connected and there is no gap between the walls, so its compressive strength is extremely high, even if the long time blisters remain unchanged.

Therefore, as a parking platform, airport runway, expressway and other fields can be good impact resistance. Four, anti-corrosion, durability of the general hard foaming insulation materials after a few years easy to produce aging, resulting in water absorption caused by performance degradation.

And extruded plastic plate because of excellent anti-corrosion, anti-aging, insulation, in the high temperature water vapor pressure, can still maintain its excellent performance, service life can reach 30-40 years.

Five, lightweight, high-hardness extruded plastic plate complete closed-hole foaming structure to form a lightweight, and uniform honeycomb structure caused by high hard, but not like polyurethane foaming, phenolic foaming as brittle, so not easy to break, not only handling, installation light, easy to cut, used as roof insulation will not affect the structure of the capacity. Six, high-quality environment-friendly extruded plastic plate will not occur decomposition and mildew, there will be no harmful substances volatile, chemical properties stable.

At the same time in the production process, the use of environment-friendly raw materials, do not produce harmful gases, no waste water produced, the formation of solid scraps, recyclable treatment and reuse, is a high-quality environment-friendly products.

Performance comparison of XPS extruded plastic plate and EPS foam board:

National standard extruded plate than polystyrene board

Extruded Plate Polystyrene Board

Compression strength ≥350Kpa≥100kpa 250% higher

Thermal conductivity ≤0.030W/(M K) ≤0.041W/(M K) 27% lower

Combustion performance ≥26%≥30% 13% lower

Moisture permeability Factor ≤2.0ng/(M s PA) ≤4.5ng/(M s PA) 56% Lower Visible: As a ground heating insulation material, extruded plate performance is better than polystyrene plate foam plate


Post time: May-06-2019