Is designed to give high-performance especially to a filter paper. Additional chemicals and powdered materials strengthen the function with mixing and spraying. Multi-layered filter paper is one of the high-performance one, structured with various materials.
Multilayered Filter Paper
Metamorphosing into the multilayer (density gradient) structure, filter paper extend the life substantially. The better filtration performance lead to the longer product life.
Coarse layer + Fine layer (structure: density gradient)
Filter roughly through the coarse layer and then remove precisely at the fine layer. For automotive fuel filter, etc.
High efficiency layer + Support layer
Supporting layer, higher mechanical strength, place under the fine layer.
For medium efficiency air filter to higher equivalent to HEPA.
Comparison between “Single layer” and “Multilayer layer” (density gradient)
Filter paper, if into the multilayer (density gradient) structure, can extend the life longer than single layer one.
Powder Blend Paper
With functional powder such as activated carbon, we can provide a variety of functions paper. Moreover, manufacturing method of the multilayer paper, it is possible to make highly diverse featured one. The powders should not be reacting substance with water, nor solve in water. The particle size would be set as a matter of application.
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Easy handling for the confined powder in the sheet foam, compared to powder use
Can be foamed into a honeycomb (a hollow hexagonal pillar structure similar to a beehive) or pleated sheet
Can add more function such as filtration to others like deodorization, photo-catalyst, antibacterial, anti-fungal, dehumidification, etc.