What is EN779 ?
General The procedures described in this standard have been developed from those given in EN 779:2002. The basic design of test rig given in EN 779:2002 is retained. A challenge aerosol of DEHS (or equivalent) is dispersed evenly across the duct upstream of the filter being tested. Representative upstream and downstream air samples are analysed by an optical particle counter (OPC) to provide filter particle size efficiency data. Classification The EN 779:2002 classification system (comprising...
MERV 8 Filters Media are so Popular
MERV 8 is so popular. the common contaminants and applications for filters in each MERV group. The majority of MERV 8 filters are two-inch, pleated filters that have been popular in the world. A MERV 8 air filter is efficient at trapping a majority of indoor particulates that could debilitate those with asthma and allergies, or even cause long-term respiratory problems.
What Do You Know About Roll Laminated roll
Hebei Fangyu is now offering laminated media rolls. We stock Merv 8, 11, 13, and Carbon media rolls. Our Polyester Laminated Media Roll is a synthetic blend laminated with an expanded metal backing for extra strength. All of our media comes in 100% Polyester and does not contain any chemicals. Our rolls are all 900 Feet in Length and come in a variety of widths. They are great for making pleated air filters or furnace filters and are a crucial part of the filter manufacturing process.
Production of 50,000 Tons of New Non-woven Fabric in Quzhou County, Handan
Handan Quzhou County signed an annual production project of 50,000 tons of new non-woven fabric, which was invested by Hong Kong Meiya Non-woven Fabric Industry Co., Ltd., with a total investment of 50 million US dollars. The company is a Hong Kong- China enterprise, and the legal representative is Huang Zuji. The company has biopolymer, nanofiber membrane, polylactic acid and other degradable environmental protection functional non-woven fabric patent technology, with its own property rights...
Replaces meltblown materials:PTFE (polytetrafluoroethylene)!
he surge in global demand for masks has become a global topic. The melt blown fabrics known as the mask “heart” originally started at less than $3,000 per ton, and now the price has risen more than $40,000! In this context, the replacement of mask meltblown fabrics has also become a hot topic in recent times! Meltblown materials are out of stock all over the world and all factories are full, but there is a high-end filter material that replaces meltblown materials. That’s PTFE...
What is Poly Cotton Filter Media?
You Need To Know This Excellent Economical Filter Media Poly Cotton air filter material can be combined with various supporting materials and Cotton Meshing Filter Media applied to Pre Filtration. They are made from waste cotton fiber, Before being the final shape, they will experience loosing, combing, blowing, forming net processes. The gram per square meter is about 60 to 90 gram.
What you need to know about gas turbine filter materials
Gas turbines are protected by air inlet filters that remove particulate contaminants to prevent blade fouling and erosion. The most common filters used today are medium grade filters, which are insufficient to capture submicron particles that cause fouling and performance loss. A newly developed filter made with hydrophobic expanded-polytetrafluoroethylene (ePTFE) membrane filter offers high efficiency particulate arrestor (HEPA) efficiency with ability to block water and salt penetration.
What types of air conditioning filters? How to maintain?
1, air conditioning filter, commonly known as pollen filter, automotive air conditioning filter's role is: filter from the outside into the air to improve air cleanliness, the general filter material refers to the air contains impurities, micro particles, pollen, bacteria, industrial waste gas and dust, air conditioning filter effect is to prevent this type of material into the air conditioning system, to the car with a good air environment, to protect the health of people in the car, as well...
Glass fiber composite material used in the filter must be fr
Along with the application of the glass fiber and its composite materials in the field of industrial application of filter materials, how to select the high cost of the material has become the hot spot of the downstream enterprises. According to the production process to choose. Dust remover is a dust removal equipment, but also for the production process of service, different production processes, the nature of the gas and dust also have a difference. Selection of the filter, especially in the...
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