Best quality Folded Filter Sheets - High Performance Depth filter sheets – Great Wall

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Best quality Folded Filter Sheets - High Performance Depth filter sheets – Great Wall Detail:

Specific advantages

Homogenous and consistent media, available in multiple grades
Media stability due to high wet strength
A combination of surface, depth and adsorptive filtration
Ideal pore structure for reliable retention of the components to be separated
Use of high-quality raw materials for high clarification performance
Economic service life through high dirt holding capacity
Comprehensive quality control of all raw and auxiliary materials
In-process monitoring ensures consistent quality

Applications:

Clarifying filtration
Fine filtration
Germ reducing filtration
Germ removing filtration

H series products have found wide acceptance in the filtration of spirits, beers, syrups for soft drinks, gelatines and cosmetics, plus a diverse spread of chemical and pharmaceutical intermediates and final products.

Main Constituents

The H Series depth filter sheets are made from particularly pure natural materials:

Cellulose
Natural filter aid diatomaceous earth
Wet strength resin

Relative Retention Rating

singliemg3
*These figures have been determined in accordance with in-house test methods.
*Effective removal performance of filter sheets is dependent on process conditions.

Physical Data

This information is intended as a guideline for the selection of Great Wall depth filter sheets.

Model	Flow Time (s)①	Thickness (mm)	Nominal retention rate (μm)	Water permeability ②(L/m²/min△=100kPa）	Dry Bursting Strength (kPa≥)	Wet Bursting Strength (kPa≥)	Ash content %
SCH-610	20″-55″	3.4-4.0	15-30	3100-3620	550	160	32
SCH-620	2′-5′	3.4-4.0	4-9	240-320	550	180	35
SCH-625	5′-15’	3.4-4.0	2-5	170-280	550	180	40
SCH-630	15′-25’	3.4-4.0	1-2	95-146	500	200	40
SCH-640	25′-35’	3.4-4.0	0.8-1.5	89-126	500	200	43
SCH-650	35′- 45′	3.4-4.0	0.5-0.8	68-92	500	180	48
SCH-660	45′-55′	3.4-4.0	0.3-0.5	23-38	450	180	51
SCH-680	55′-65′	3.4-4.0	0.2-0.4	23-33	450	160	52

①Flow time is a time indicator used to evaluate the filtering accuracy of the filter sheets. It is equal to the time it takes for 50 ml of distilled water to pass 10 cm’ of filter sheets under the conditions of 3 kPa pressure and 25°C.

②The permeability was measured under test conditions with clean water at 25°C (77°F) and 100kPa, 1bar (A14.5psi) pressure.

These figures have been determined in accordance with in-house test methods and the methods of the Chinese National Standard. The water throughput is a laboratory value characterizing the differ- ent Great Wall depth filter sheets. It is not the recommended flow rate.

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