The pure cellulose raw materials are used in the production of these filter papers, which allows their use in food and beverages. This product is especially suitable for oily liquids, like clarification of edible and technical oils and fat, petrochemical, crude oil and other fields.
The wide range of filter paper models and many choices with optional filtration time and retention rate, meet the needs of individual viscosities. It can be used with filter press.
Great Wall filter paper includes grades suitable for general coarse filtration, fine filtration, and retention of specified particle sizes during the clarification of various liquids. We also offer grades that are used as a septum to hold filter aids in a plate and frame filter presses or other filtration configurations, to remove low levels of particulate, and many other applications.
Such as: production of alcoholic, soft drink, and fruit juice beverages, food processing of syrups, cooking oils, and shortenings, metal finishing and other chemical processes, refinement and separation of petroleum oils and waxes.
Please refer to the application guide for additional information.
Grade: | Mass per UnitArea (g/m2) | Thickness (mm) | Flow Time (s) (6ml①) | Dry Bursting Strength (kPa≥) | Wet Bursting Strength (kPa≥) | color |
OL80 | 80-85 | 0.21-0.23 | 15″-35″ | 150 | ~ | white |
OL130 | 110-130 | 0.32-0.34 | 10″-25″ | 200 | ~ | white |
OL270 | 265-275 | 0.65-0.71 | 15″-45″ | 400 | ~ | white |
OL270M | 265-275 | 0.65-0.71 | 60″-80″ | 460 | ~ | white |
OL270EM | 265-275 | 0.6-0.66 | 80″-100″ | 460 | ~ | white |
OL320 | 310-320 | 0.6-0.65 | 120″-150″ | 450 | ~ | white |
OL370 | 360-375 | 0.9-1.05 | 20″-50″ | 500 | ~ | white |
*①The time it takes for 6ml of distilled water to pass through 100cm2 of filter paper at temperature around 25℃.
Supplied in rolls, sheets, discs and folded filters as well as customer-specific cuts. All these conversions can be done with our own specific equipment. Please contact us for more information.
• Paper rolls of various widths and lengths.
• Filter circles with centre hole.
• Large sheets with exactly positioned holes.
• Specific shapes with a flute or with pleats..
Contact us for more information, we will provide you better products and best service .