April 17, 2024

on. If necessary, wind shielding shed or sunshade greenhouse can be

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on. If necessary, wind shielding shed or sunshade greenhouse can be

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11. After the concrete has been poured, covering or spray curing should be carried out immediately before the initial setting. Concrete thermal insulation materials can be made of plastic film, geotextiles, gunny bags, flame retardant quilts and so on. If necessary, wind shielding shed or sunshade greenhouse can be set up. In the thermal insulation maintenance, the temperature difference and cooling rate of the concrete pouring body should be monitored on the spot, and when the measured results do not meet the requirements of the temperature control index, the thermal insulation maintenance measures should be adjusted in time.

Interior decoration is a decoration covering the interior of the car, which not only has aesthetics, but also bears a variety of functions. According to the product form, automobile interior parts can be divided into hard interior decoration and soft interior decoration. Hard interior parts mainly take injection molding as the core process, the main products include main and auxiliary dashboards, door panels and column guards, etc., while soft interior products mainly include sunshade panels, ceilings and main carpets.

The PU representative parts on the car are dashboard, rearview mirror, bumper, seat cushion, headrest, steering wheel, instrument panel anti-vibration pad, pillar decoration, front roof lining, window frame, ceiling and side roof frame decoration, door liner, sunshade panel, rear roof frame decoration and so on.

For example, a sunshade structure made of snow fence material can provide a shading rate of about 30-50%. But this kind of shadow can greatly reduce the heat load in extreme conditions. Another advantage of the snowboard material is the small wind and snow load, which reduces the cost of the structure. The demand for shadows also depends on the upper limit and duration of the summer temperature of the fattening area. Shading can obviously improve the production performance in the areas above 29.4 °C and 700h/ years. In the area where the sunshine is 500-700 hours a year, the influence is diverse, and the influence is different in different years. The factors to be considered in shadow design include the area of shadow, the position of shadow, the direction of shadow structure and the type of material to be used.

The material is mainly shown in strong adhesion with all kinds of skin and skeleton materials, high pressure load, good shock-proof and anti-impact performance, and can eliminate vibration and noise. it is very suitable for making automobile dashboard, handrail core, headrest and sunshade. Because the semi-rigid PU foam is porous, it gives the dashboard good resilience, absorbs 50-70% impact energy, has high safety, heat resistance, cold resistance, firmness and durability, and has a good feel.