1.Application scope: Used for threaded joints between thin metal (aluminum, copper) parts and thicker metal parts (main body), wood panels, wall surfaces, etc.. Must be used with the corresponding specifications, slot type Screw spigot with. Self Tapping Screws ,Self Tapping Metal Screws ,Self Tapping Bolts ,Stainless Steel Self Tapping Screws Kunshan Zhonggu Precision Hardware Co., Ltd. , https://www.zgfastener.com
2. Reference standard
Pan head cross slot GB845, ISO7049
Countersunk head cross slot GB846, ISO7050
Umbrella head cross slot GB847, ISO7051
Japanese JISB1125 and American ANSI/ASME B18.6.4 have various head types.
3. head type: the same as the head type of self-tapping nails. New and old national standards have three head types: the old national standard for round head (R), countersunk head (F) and half countersunk head (O), the new national standard has a pan head (P), countersunk head (F) and half countersunk head (O). American machine Screws have a variety of head types, in addition to the commonly used pan head, countersunk head, half countersunk head in addition to large flat head, hexagonal Washer head, Warwick head, etc.
(3), tooth type: generally common A teeth and AB teeth. The new version of the IFI standard has been eliminated A tooth products, but due to market needs, some companies are also producing A tooth products, more domestic with A tooth. A tooth AB tooth products are mainly different in the number of teeth, generally speaking, A tooth for coarse teeth, AB tooth for fine teeth, but A tooth and AB tooth products also have differences in tooth outside diameter and head diameter size.
2013 diatom mud top ten rankings
Diatom mud is a green and eco-friendly wall decoration material that has gained popularity among many consumers. However, the market is flooded with inferior products that falsely claim to be environmentally friendly. This makes it easy for buyers to be deceived if they don't have the right knowledge. In this article, we'll take a look at the top 10 diatom mud brands of 2013, helping you better understand the market and make an informed choice.
1. **Otsu Diatom Mud**
Otsu Diatom Mud is produced by Otsu Co., Ltd. It's a new generation of natural, eco-friendly interior wall materials designed to replace traditional wallpaper and paint. Made from diatomite formed over millions of years, it’s known for its ability to absorb harmful substances like formaldehyde and improve indoor air quality. As the first diatom mud product in China, Otsu has been well-received since its launch in 2003 and even won the "National Key New Product" award from the Ministry of Science and Technology in 2011.
2. **Lanshe Diatom Mud**
Based in Jilin Province, Lanshe Diatom New Materials Co., Ltd. utilizes the rich diatomite resources of Changbai Mountain. The company has developed high-quality diatom mud products backed by ISO certifications and numerous national patents. It plays a key role in setting industry standards and is recognized as one of the top green building materials in China.
3. **Shangji Diatom Mud**
Shangji Diatom Mud is a functional wall material that not only uses natural minerals but also effectively absorbs and decomposes harmful substances such as formaldehyde, benzene, and VOCs. Its unique moisture-regulating properties allow it to "breathe," improving indoor comfort and air quality. It also offers antibacterial, fire-resistant, and sound-absorbing benefits, making it a favorite among designers and homeowners.
4. **Smilia Diatom Mud**
Located in Chengdu, Smilia Diatom New Material Co., Ltd. is one of the first companies in the southwest region to specialize in diatom mud. With a large-scale production and sales network, it offers a wide range of high-quality products suitable for both residential and commercial use.
5. **Chunzhiyuan Diatom Mud**
As the drafting unit of the "China Diatom Mud Industry Standard," Chunzhiyuan has been selected into the "National Ecological Building Material Selection Catalogue." It holds multiple international certifications and is recognized as one of the top ten diatom mud brands in the industry.
6. **Oxygen-Friendly Eco-Wall Materials**
Part of Shanghai Jialu New Building Materials Co., Ltd., Oxygen-Friendly Eco-Wall Materials is a major supplier of eco-friendly wall materials in China. With over 100 stores nationwide, it focuses on research, development, and production of sustainable building solutions.
7. **Closway Diatom Mud**
Founded in 2003, Closway Diatom Mud is a professional environmental wall material enterprise based in Changxing, near Taihu Lake. Known for its large production base and advanced R&D capabilities, it is one of the largest diatom mud manufacturers in China.
8. **Green Forest Diatom Mud**
Headquartered in Changchun, Green Forest Environmental Protection Technology Co., Ltd. is a comprehensive enterprise dedicated to eco-friendly decoration materials. It owns its own diatomite mine and produces high-quality diatom mud with features like air purification, humidity control, and sound absorption.
9. **Chuanyi Diatom Mud**
Chuanyi is the first industrialized group in China’s diatom mud industry, covering mining, R&D, and production. It stands out for its independent research capabilities and patented technologies, and its products are widely used across various sectors.
10. **Mud Master Diatom Mud**
Mud Master Diatom Mud is a versatile material suitable for homes, hotels, hospitals, and more. Made primarily from diatomite, it replaces traditional paints and wallpapers, offering a natural, breathable, and durable alternative.
In terms of pricing, the cost of diatom mud typically ranges from 180 to 600 yuan per square meter, depending on the brand and quality. When choosing diatom mud, it's essential to consider both price and performance to ensure you're getting a reliable and eco-friendly product.