Color: Blue White
Thickness: 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, 100mm
Shanghai Metal Corporation is a leading Plastic extruded board manufacturer and supplier.
Polystyrene foam is divided into two kinds: expansive EPS and continuous extrusion type XPS. Compared with EPS sheet, XPS plate is the third generation of rigid foam insulation material. It overcomes the complicated production process of EPS board from technology, and has the superior performance that EPS board can not replace. It is made of polystyrene resin and other additives by extrusion process, which has continuous and uniform surface layer and closed cell structure. These thick plates with honeycomb structure will not have gaps at all. This closed cell structure insulation material can have different pressures (150-500kpa), at the same time, it has the same low thermal conductivity (only 0.028w / m.k) and long-lasting excellent insulation The compressive strength can reach 220-500kpa.
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Technical Information of plastic extruded board:
Technical Parameters of Plastic Extruded Board |
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Technical Parameter |
Index Requirements |
Explanation |
Apparent Density (kg/m³) |
25 - 50 |
The greater the apparent density, the relatively higher the strength, but the thermal insulation performance may slightly decrease. |
Dimensional Stability (%) |
Length/Width/Thickness ≤ 1.5. For example, the dimensional stability of the extruded polystyrene boards of Wanbojiahua reaches 0.53/0.72/0.47. |
It reflects the change in the dimensions of the extruded polystyrene board during use. The smaller the value, the better, indicating higher dimensional stability. |
Water Absorption Rate (%) |
≤ 1.0. For high-quality ones like 50mm-thick B1-grade extruded polystyrene boards, the water absorption rate can be ≤ 0.29%. |
It is an important indicator for measuring the waterproof performance of thermal insulation materials. The lower the water absorption rate, the better the waterproof performance and the less the influence of moisture on the thermal insulation performance. |
Thermal Conductivity [W/(m·K)] |
≤ 0.030. |
It reflects the heat conduction ability of the material. The lower the value, the better the thermal insulation and heat insulation performance. |
Compressive Strength (Kpa) |
Standard type ≥ 3, Reinforced type ≥ 10 |
It reflects the resistance ability of the extruded polystyrene board when subjected to external impact. The higher the impact resistance strength, the less likely it is to be damaged. |
Thermal Conductivity [W/(m·K)] |
≤ 0.030. Good products can reach 0.031. |
It reflects the heat conduction ability of the material. The lower the value, the better the thermal insulation and heat insulation performance. |
Combustion Performance Grade |
B1 grade: Oxygen Index ≥ 30. B2 grade: Oxygen Index ≥ 26 |
According to the regulations of GB8624 "Classification of Performance of Building Material Products", B1 grade is a flame-retardant material, and B2 grade is a combustible material. |
Packaging of plastic extruded board:
1. Widely used in wall insulation, plane concrete roof and steel structure roof insulation;
2. Used for low temperature storage ground, parking platform, airport runway, highway and other fields of moisture-proof insulation.
The extruded plate is a rigid foam plastic board with continuous closed cell foam, which is injected into the catalyst with polystyrene resin and polymer under heating and mixing, and then extruded and sealed. The inside is an independent closed bubble structure, which is characterized by high compression resistance, low water absorption, moisture resistance, air permeability, light weight, corrosion resistance, super aging resistance (long term use almost no aging) and thermal conductivity. Environmental friendly insulation material with low and excellent performance.
Extrusion board is widely used in dry wall insulation, plane concrete roof and steel structure roof insulation, low-temperature storage ground, parking platform, airport runway, highway and other fields of moisture-proof insulation, control of ground frost heave. It is a good heat-proof and moisture-proof material with low price and good quality in the current construction industry.