環(huán)氧地坪漆基面為什么要比露點溫度高3度
結(jié)露與相對濕度有關(guān),相對濕度達到飽和時空氣中的水分就會沉降結(jié)露,而相對濕度受空氣中的含水量溫度等因素影響。所以 在不同環(huán)境下,露點溫度也不同。當空氣中的水汽遇到溫度低于露點的物體時,就會冷凝附著于其表面,形成露珠。環(huán)氧地坪漆 在施工環(huán)氧地坪漆時,對地面基材的含水率有嚴格要求,結(jié)露會嚴重影響環(huán)氧地坪漆的施工,使環(huán)氧地坪漆起泡、脫落甚至無法涂裝,所以要求環(huán)氧地坪基面的溫度要比露點溫度高3度以上。耐磨地坪漆 在施工地坪漆時,一般要求地坪基面的溫度要比露點溫度高3度以上,否則不允許涂裝。要理解這一要求,首先要知道什么是露點。 環(huán)氧地坪漆 露點,即空氣中的水分凝結(jié)成露珠時的溫度,它是一個溫度表示值。保持空氣中水份含量不變,降低溫度,相對濕度會上升,當相對濕度值達100%時,空氣中的水分就會結(jié)露,而此時的溫度就是露點。
The condensation is related to relative humidity. When the relative humidity reaches saturation, the moisture in the air will settle and dew. The relative humidity is affected by the moisture content and temperature in the air. So in different environments, dew point temperature is also different. When water vapor in the air encounters an object whose temperature is below the dew point, it condenses and adheres to its surface, forming dew droplets. Epoxy floor paint in the construction of epoxy floor paint, the moisture content of the ground substrate has strict requirements, condensation will seriously affect the construction of floor paint, so that floor paint foaming, peeling off or even can not be coated, so the temperature of the floor base surface is required to be 3 degrees higher than the dew point temperature. Wear-resistant floor paint in the construction of floor paint, the general requirement of the temperature of the floor surface than the dew point temperature is 3 degrees higher, otherwise not allowed to paint. To understand this requirement, we must first know what dew point is. The dew point of epoxy floor paint is the temperature at which moisture in the air condenses into dew droplets. It is a temperature value. Keep the moisture content in the air unchanged, lower the temperature, relative humidity will rise, when the relative humidity value of 100%, the moisture in the air will dew, and the temperature is the dew point.
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