
Wet Strength Filter Papers extremely high burst resistance
It is made of pure plant fibers through a special process. Its texture is white and delicate, its appearance is flat, and its
thickness is uniform. The Cellulose will not separate or fall off during filtration.
conjunction with a filter. It is mainly used for fine filtration of nutritional bases in beverages .
It can also be used in fine chemicals, high glycerol and colloids, honey, chemical products and other industries, can be cut into round, square and other shapes according to users.
Great Wall pays particular attention to continuous in-process quality control; additionally, regular checks and exact analyses of raw material and of each individual finished product assure constant high quality and product uniformity.
We have production workshop & Research & Development department & Testing Lab
Have the ability to develop new product series with customers.
In order to better serve customers, Great Wall Filtration has established a professional sales engineer team to provide customers with comprehensive application technical support. The professional sample testing experiment process can accurately match the most suitable filter material model after testing the sample.
Contact us for more information, we will provide you better products and best service .


-Ash content < 1%
-Wet-strengthened
- Supplied in rolls, sheets, discs and folded filters as well as customer-specific cuts
Grade: | Mass per UnitArea (g/m2) | Thickness (mm) | Flow Time (s) (6ml) | Dry Bursting Strength (kPa≥) | Wet Bursting Strength (kPa≥) | color |
WS80K: | 80-85 | 0.2-0.25 | 5″-15″ | 100 | 50 | white |
WS80: | 80-85 | 0.18-0.21 | 35″-45″ | 150 | 40 | white |
WS190: | 185-195 | 0.5-0.65 | 4″-10″ | 180 | 60 | white |
WS270: | 265-275 | 0.65-0.7 | 10″-45″ | 550 | 250 | white |
WS270M: | 265-275 | 0.65-0.7 | 60″-80″ | 550 | 250 | white |
WS300: | 290-310 | 0.75-0.85 | 7″-15″ | 500 | 160 | white |
WS370: | 360-375 | 0.9-1.05 | 20″-50″ | 650 | 250 | white |
WS370K: | 365-375 | 0.9-1.05 | 10″-20″ | 600 | 200 | white |
WS370M: | 360-375 | 0.9-1.05 | 60″-80″ | 650 | 250 | white |
Wet Strength Filter Papers Forms of supply
· Filer circles with centre hole.
· Large sheets with exactly positioned holes.
· Specific shapes with a flute or with pleats.
Quality assurance

We have production workshop and Research and Development department, and have the ability to develop new product series with customers.Also, our company is the drafting unit of China's filter paper industry board standard and the first brand of China's filter paperboard.
At present, our company cooperates with many well-known domestic and foreign corporate brands such as: beverages Pepsi and Coca-Cola, beer InBev and Tsingtao Brewery, WACKER chemical industry, etc.,
Our company has professional technicians who are very experienced in filtration; we can provide your company with technical support for filter paper at any time.





A: We are a professional manufacturing factory of Filter sheets, we are able to supply you with top quality and perfect
workmanship. OEM and ODM products.
2.Q: What is your Product material?
A: Our products are made up from high quality wood pulp, cotton pulp, cellulose, diatomaceous earth and so on.
3. Q:What's you sample policy?
A: We can provide some samples free for your test, freight will be paid by your side.
4.Q: Can you do any size?
A: Yes, we can do any size according to your request.
5.Q: What are your manufacturing and shipping time?
A: About 15-25 days after confirming the details.
6.Q: What certification do you have?
A: 1).Quality Management System ISO 9001 and Environmental Management System ISO 14001.
2). Food contact certificates
3). Meet testing Lab requirements
The products are pure natural raw materials, and can be tested according to customer requirements, including calcium and magnesiumion and heavy metal detection