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| Tweet Topic Started: Apr 13 2017, 10:23 PM (95 Views) | |
| quangongzi | Apr 13 2017, 10:23 PM Post #1 |
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<p>heat transfer to the surface of the earth, through the radiation process to the air heating. National ground radiation heating technology JGJ1402-2004 3.1.2 in the design requirements of the ground temperature of 24-28 C. 12~16mm thickness of the floor is the most suitable for heating, such as the design of special needs can only increase the temperature of the heating pipe, which will reduce the service life of the heating system. The temperature difference between </p> <p>the upper and lower surface of the thick floor is too large to be inconsistent. 2 formaldehyde must be much lower than that of ordinary floor is formaldehyde gel and dry paint dilution the cheapest economy, the current chemical technology has been fully able to produce formaldehyde free products, but the price is high. National standards for the floor of the general floor of the formaldehyde content E1 = 1.5mg/L. But the higher the temperature, the greater the </p> <p>release of formaldehyde. So to warm the floor should be formaldehyde free to ensure the health of consumers. But nothing is impossible. Because there are a lot of formaldehyde in natural logs, but their content is very small, will not cause harm to the human body. The 3 floor space should be kept as little as possible with the ground floor paving method in China is suspended, this method is laying a layer on the ground floor mats and then laid on the top floor and </p> <p>الخشب البلاستيك المركب الكسوة الألواح<br /> رخيصة خفيفة الوزن الأرضيات الخشبية<br /> في الهواء الطلق تكلفة الخشب سطح السفينة</p> |
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7:05 PM Jul 10