Ahlstrom Qualitative Filter Papers, Grade 617
• Ahlstrom Grade 617: 35 m - Fast Speed (non wet-strengthened)
• This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631
• Ahlstrom 617, a thicker filter paper with higher loading capacity, is used for rapid filtration of coarse particles and gelatinous precipitates such as in oils and resin solutions
• Ahlstrom 617 is also found in construction product testing and is used by students to retain large flocculents and precipitates
• Standard Grades (Non Wet-Strengthened)
• Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications
• These grades contain a high level of alpha-cellulose that provides high purity but will weaken when wet
• The inherent strength of standard (untreated) grades does not pose a problem when they are used in routine quadrant folded applications
• Ahlstrom does not recommend these grades for use in vacuum work or when wet handling is required
• Qualitative analysis
• Low ash content 0.06%
• > 95% super refined -cellulose and linter fibers
• Untreated
• Consistent performance
• Custom cut
• Bulk packaging
Grade 617 Properties:
• Retention: 35.0 µm
• Filtration speed (punch Herzberg): 219 sec./100 mL
• Filtration speed (Rapidity): 360 mL/min.
• Loading capacity: Very High
Image(s) are representative of the product group and not necessarily the individual product.
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• This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631
• Ahlstrom 617, a thicker filter paper with higher loading capacity, is used for rapid filtration of coarse particles and gelatinous precipitates such as in oils and resin solutions
• Ahlstrom 617 is also found in construction product testing and is used by students to retain large flocculents and precipitates
• Standard Grades (Non Wet-Strengthened)
• Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications
• These grades contain a high level of alpha-cellulose that provides high purity but will weaken when wet
• The inherent strength of standard (untreated) grades does not pose a problem when they are used in routine quadrant folded applications
• Ahlstrom does not recommend these grades for use in vacuum work or when wet handling is required
• Qualitative analysis
• Low ash content 0.06%
• > 95% super refined -cellulose and linter fibers
• Untreated
• Consistent performance
• Custom cut
• Bulk packaging
Grade 617 Properties:
• Retention: 35.0 µm
• Filtration speed (punch Herzberg): 219 sec./100 mL
• Filtration speed (Rapidity): 360 mL/min.
• Loading capacity: Very High
Image(s) are representative of the product group and not necessarily the individual product.
• Ahlstrom Grade 617: 35 m - Fast Speed (non wet-strengthened)
• This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631
• Ahlstrom 617, a thicker filter paper with higher loading capacity, is used for rapid filtration of coarse particles and gelatinous precipitates such as in oils and resin solutions
• Ahlstrom 617 is also found in construction product testing and is used by students to retain large flocculents and precipitates
• Standard Grades (Non Wet-Strengthened)
• Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications
• These grades contain a high level of alpha-cellulose that provides high purity but will weaken when wet
• The inherent strength of standard (untreated) grades does not pose a problem when they are used in routine quadrant folded applications
• Ahlstrom does not recommend these grades for use in vacuum work or when wet handling is required
• Qualitative analysis
• Low ash content 0.06%
• > 95% super refined -cellulose and linter fibers
• Untreated
• Consistent performance
• Custom cut
• Bulk packaging
Grade 617 Properties:
• Retention: 35.0 µm
• Filtration speed (punch Herzberg): 219 sec./100 mL
• Filtration speed (Rapidity): 360 mL/min.
• Loading capacity: Very High
Image(s) are representative of the product group and not necessarily the individual product.
• This is an extremely fast filtering grade and has a larger particle retention than Ahlstrom 631
• Ahlstrom 617, a thicker filter paper with higher loading capacity, is used for rapid filtration of coarse particles and gelatinous precipitates such as in oils and resin solutions
• Ahlstrom 617 is also found in construction product testing and is used by students to retain large flocculents and precipitates
• Standard Grades (Non Wet-Strengthened)
• Standard qualitative filter papers are suitable for quadrant folded or gravity flow applications
• These grades contain a high level of alpha-cellulose that provides high purity but will weaken when wet
• The inherent strength of standard (untreated) grades does not pose a problem when they are used in routine quadrant folded applications
• Ahlstrom does not recommend these grades for use in vacuum work or when wet handling is required
• Qualitative analysis
• Low ash content 0.06%
• > 95% super refined -cellulose and linter fibers
• Untreated
• Consistent performance
• Custom cut
• Bulk packaging
Grade 617 Properties:
• Retention: 35.0 µm
• Filtration speed (punch Herzberg): 219 sec./100 mL
• Filtration speed (Rapidity): 360 mL/min.
• Loading capacity: Very High
Image(s) are representative of the product group and not necessarily the individual product.
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