Question 1: What is formaldehyde?
A: Formaldehyde (CH2O) is a chemical substance that is gas in people's daily life and is colorless and strongly irritating. Formaldehyde is usually stored in water to form an aqueous formaldehyde solution, formalin.
Question 2: Why is formaldehyde in the floor? Are there any other harmful substances on the floor?
A: The adhesive is used in the floor production process, and formaldehyde is one of the main components of the adhesive, so there will be formaldehyde in the floor. With the exception of formaldehyde, there are no other harmful substances in the floor.
Question 3: It is said that wood itself contains formaldehyde. Is this true? If yes, what is the approximate value?
A: Yes, wood itself contains aldehydes. There are traces of aldehydes (including formaldehyde, acetaldehyde, propanal, etc.) in the wood components, about 4mg/100g (detected by perforation), 9mg/100g is E1 grade standards, so the aldehyde content of the wood itself must exist.
Question 4: Is there a formaldehyde-free floor?
A: Formaldehyde-free flooring is available, but the adhesives it uses are toxic and not suitable for home use.
Question 5: What is the environmental standard for floor formaldehyde emission? Is the floor in this area harmless to the human body?
Answer: China's national standards enforce mandatory environmental protection standards for floor formaldehyde emissions, which are: E1 grade, ≤ 1.5mg/L (dryer method), ≤ 0.12mg/?詄 (Climate box method, used in arbitration). Products that meet the national environmental protection standards do not harm the human body under normal conditions of use.
Question 6: Is the formaldehyde emission higher for thick plates (eg 12mm) than for thin plates (eg 8mm)?
A: The amount of formaldehyde released has nothing to do with the thickness of the floor, but is related to the adhesive properties and production process used to produce the floor. National standard GB18580-2001 test standards clear test conditions are: the required test surface area of ​​the test sample is 450? 请 (note that the area, not the volume, not the thickness), while the sample with four sides without formaldehyde Aluminum tape seal. Therefore, the final detection of formaldehyde released from the floor surface has nothing to do with the thinness of the floor. Some businesses say that the high formaldehyde emission from heavy plates is entirely misleading.
Question 7: What is the current E0 level environmental protection standard that has been heatedly debated? 0.5 is E0, and 0.7 is E1. Is 0.7 different from 0.5?
A: China's current national standard for flooring is E1, there is no standard for E0, and E0 is the standard for Japanese JISA 5908 substrate. It requires formaldehyde emission ≤ 0.5 mg/L. From the use point of view, 0.5 and 0.7 are not much different. When testing, due to different factors such as temperature, humidity, location, and operator, the test results will have a certain normal deviation, so as a consumer, do not fall into the manufacturer's digital game. At the same time, it is necessary to remind that when purchasing, it must be clear that the amount of formaldehyde released is only one of the important indicators for strengthening the wooden floor, not the only standard of the product, but also comprehensive consideration of other indicators.
Question 8: What kind of eco-friendly floor should I choose?
In general, choosing E1-grade environmental protection products is sufficient, and you do not need to blindly pursue the highest standards. The environmental E1 environmental standards formulated by the government have taken into account the factors that affect human health, so it is entirely possible to select products that meet environmental standards. If you must choose the E0 floor, it must be noted that all the home decoration materials, such as: furniture, doors, paints, etc. must also be E0, otherwise, only the E0 floor will not contribute to the family's overall environmental protection of. In addition, regular ventilation is the most effective method of avoiding decoration pollution regardless of the grade of product chosen.
Nature Flooring Del Floor Formaldehyde Home Improvement Furniture Coating
| For products reference | ||
| No. | Item | Description |
| 1 | Bearing Bar Size | 25x3, 25x4, 25x4.5, 25x5, 30x3, 30x4, 30x4.5, 30x5, 32x5, 40x5, 50x5, 65x5, 75x6, 75x10---100x10mm etc. |
| I bar: 25x5x3, 30x5x3, 32x5x3, 40x5x3 etcUS standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc. | ||
| 2 | Bearing Bar Pitch | 12.5, 15, 20, 23.85, 25, 30, 30.16, 31, 32.5, 34.3, 35, 38.1, 40, 41.25, 60, 80mm etc. |
| US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. | ||
| 3 | Cross Bar Size and Pitch | Twisted bars 5x5, 6x6, 8x8mm; Round bars Dia.6, 7, 8, 9, 10, 12mm and so on. |
| 38.1, 40, 50, 60, 76, 80, 100, 101.6, 120, 135mm, 2'' & 4'' etc. | ||
| 4 | Material Grade | ASTM A36, A1011, A569, Q235, S275JR, SS400, Mild steel & Low carbon steel, etc. |
| Stainless steel SS304, SS316.s335jr | ||
| 5 | Surface Treatment | Black, self colour, hot dip galvanized, painted, powder coating, electrolytic polishing. |
| 6 | Grating Style | Plain / Smooth, Serrated /teeth, I bar, serrated I bar. |
| 7 | Standard | China: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),UK: BS4592-1987, Australia: AS1657-1985,Germany: DIN24537-1-2006, Japan: JIS. |
| 8 | Panel Size: | 3x20ft,3x24ft,3x30ft,5800x1000, 6000x1000, 6096x1000,6400x1000, as request |
| 9 | Application: | oil refinery,petroleum and chemical Industry, Seaport and airport, power plant, transportation, papermaking, medicine, steel and iron, food, municipality, real estate, manufacturing,metallurgy,railway,boiler,etc |
Steel Grating,Steel Bar Grating,Galvanized Steel Bar Grating,Steel Bar Grating For Bridge
HEBEI KAYI BUILDING MATERIAL TECHNOLOGY CO.,LTD , https://www.kayigrating.com