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{"id":8089167134900,"title":"Filter Paper 18.5 cm Lab Qualitative Filter Paper for Chemistry, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 185 mm (Bundle of 3 x 100 Discs) 18.5 cm (Bundle of 3)","handle":"filter-paper-18-5-cm-lab-qualitative-filter-paper-for-chemistry-standard-grades-1-2-4-zenpore-fast-medium-slow-flow-185-mm-bundle-of-3-x-100-discs-18-5-cm-bundle-of-3","description":"\u003ch3\u003eFilter Paper 18.5 cm Lab Qualitative Filter Paper for Chemistry, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 185 mm (Bundle of 3 x 100 Discs)\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eGRADE 1, 2, 4 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 1,\n2, 4, these laboratory filter paper are used for a broad range of filtration\nwhen you need to separate a solid or precipitate from the filtrate. Made from\nhigh alpha-cellulose cotton, these standard lab filter are not intended for\nashing.APPLICATIONS Depending on the grades, these filters have many\napplications, for example:science : From clean-up of insoluble liquids to\nroutine clarification of suspensionfood : From solid foodstuffs separation and\nliquid extraction to fat content determinationbeverage : From filtration of\nmusts, pulps and syrups to malt analysisagriculture : From soil pre-filtration\nto analysisenvironment : From monitoring of fast flowing exhausts to smoke\npollutionCOARSE TO HIGH RETENTION Retains fine, medium and coarse precipitates\ndepending on grade used, for example:Grade 1 : Metal Sulfates (Pb, coarse form\nof Ba and Ca)Grade 2 : Metal Sulfides (Cd, Ni, Zn, Fe, Pb, Mn, Ag, As) Grade 4\n: Metal hydroxides (Al, Cr, Fe, Mg) , Be Oxidepaper : pure cotton\ncelluloseflow : slow, medium, fastretention : 5~10, 10~15, 20~25 μm (fine,\nmedium, coarse)speed : 15~20 s (10ml DIN 53137)size : ⌀ 185 mmthickness :\n140-160 μmweight : 86 g\/m²ash : 0.1%qty : 300 discsPLAIN-DISCS These Flat\nDiscs are suitable for gravity and Buchner low suction vacuum filtration. The\nsame affordable filters are also available funnel-ready prefolded or\nprepleated.EQUIVALENCE \u0026amp; SIZE See the cross-reference table and size diagrams\nin the photos to choose the appropriate reference and diameter of your\ncircles.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eGRADES 1, 2, 4 : 18.5cm - Equivalent to Whatman Top 3 standard qualitative grades (185mm)\u003c\/li\u003e\n \u003cli\u003eGRADE 1 : MEDIUM RETENTION \/ MEDIUM FLOW - Retains medium crystalline particles (10~15 micron)\u003c\/li\u003e\n \u003cli\u003eGRADE 2 : HIGH RETENTION \/ SLOW FLOW - Retains fine crystalline particles (5~10 micron)\u003c\/li\u003e\n \u003cli\u003eGRADE 4 : COARSE RETENTION \/ FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron)\u003c\/li\u003e\n \u003cli\u003eBROAD APPLICATION RANGE : lab \u0026amp; chemistry, food \u0026amp; agriculture, brewing \u0026amp; wine, air \u0026amp; gas filtration\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-07-24T14:34:31+10:00","created_at":"2026-07-21T20:34:31+10:00","vendor":"zenpore","type":"Qualitative Filter Paper","tags":["home_industrial_July2026"],"price":23900,"price_min":23900,"price_max":23900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44288834502836,"title":"18.5 cm (Bundle of 3)","option1":"18.5 cm (Bundle of 3)","option2":null,"option3":null,"sku":"B0819TXZ9Q","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Filter Paper 18.5 cm Lab Qualitative Filter Paper for Chemistry, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 185 mm (Bundle of 3 x 100 Discs) 18.5 cm (Bundle of 3) - 18.5 cm (Bundle of 3)","public_title":"18.5 cm (Bundle of 3)","options":["18.5 cm (Bundle of 3)"],"price":23900,"weight":794,"compare_at_price":null,"inventory_management":"shopify","barcode":"650728293989","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/auspowers.com\/cdn\/shop\/files\/B0819TXZ9Q.jpg?v=1784630073","\/\/auspowers.com\/cdn\/shop\/files\/813JWsiOH-L.jpg?v=1784630073","\/\/auspowers.com\/cdn\/shop\/files\/71zST0pKpjS_a9b46685-7d12-47b0-b0c8-e20c01a23910.jpg?v=1784630073","\/\/auspowers.com\/cdn\/shop\/files\/71MVWGEQTfL_9ef13413-f7eb-4353-b030-78e7c2e6fc7e.jpg?v=1784630073","\/\/auspowers.com\/cdn\/shop\/files\/71-5XDZeDpL_32c02761-e0ea-49b4-9e6e-7fabe6fdd233.jpg?v=1784630073","\/\/auspowers.com\/cdn\/shop\/files\/81N4LIe7qKL_c074ba57-2d7d-4e3a-986f-b751d7c77e07.jpg?v=1784630073"],"featured_image":"\/\/auspowers.com\/cdn\/shop\/files\/B0819TXZ9Q.jpg?v=1784630073","options":["Size"],"media":[{"alt":null,"id":33132659605684,"position":1,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/auspowers.com\/cdn\/shop\/files\/B0819TXZ9Q.jpg?v=1784630073"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/B0819TXZ9Q.jpg?v=1784630073","width":2000},{"alt":null,"id":33132659638452,"position":2,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/auspowers.com\/cdn\/shop\/files\/813JWsiOH-L.jpg?v=1784630073"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/813JWsiOH-L.jpg?v=1784630073","width":2000},{"alt":null,"id":33132659671220,"position":3,"preview_image":{"aspect_ratio":1.355,"height":1122,"width":1520,"src":"\/\/auspowers.com\/cdn\/shop\/files\/71zST0pKpjS_a9b46685-7d12-47b0-b0c8-e20c01a23910.jpg?v=1784630073"},"aspect_ratio":1.355,"height":1122,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/71zST0pKpjS_a9b46685-7d12-47b0-b0c8-e20c01a23910.jpg?v=1784630073","width":1520},{"alt":null,"id":33132659703988,"position":4,"preview_image":{"aspect_ratio":2.099,"height":953,"width":2000,"src":"\/\/auspowers.com\/cdn\/shop\/files\/71MVWGEQTfL_9ef13413-f7eb-4353-b030-78e7c2e6fc7e.jpg?v=1784630073"},"aspect_ratio":2.099,"height":953,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/71MVWGEQTfL_9ef13413-f7eb-4353-b030-78e7c2e6fc7e.jpg?v=1784630073","width":2000},{"alt":null,"id":33132659736756,"position":5,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/auspowers.com\/cdn\/shop\/files\/71-5XDZeDpL_32c02761-e0ea-49b4-9e6e-7fabe6fdd233.jpg?v=1784630073"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/71-5XDZeDpL_32c02761-e0ea-49b4-9e6e-7fabe6fdd233.jpg?v=1784630073","width":2000},{"alt":null,"id":33132659769524,"position":6,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/auspowers.com\/cdn\/shop\/files\/81N4LIe7qKL_c074ba57-2d7d-4e3a-986f-b751d7c77e07.jpg?v=1784630073"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/auspowers.com\/cdn\/shop\/files\/81N4LIe7qKL_c074ba57-2d7d-4e3a-986f-b751d7c77e07.jpg?v=1784630073","width":2000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eFilter Paper 18.5 cm Lab Qualitative Filter Paper for Chemistry, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 185 mm (Bundle of 3 x 100 Discs)\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eGRADE 1, 2, 4 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 1,\n2, 4, these laboratory filter paper are used for a broad range of filtration\nwhen you need to separate a solid or precipitate from the filtrate. Made from\nhigh alpha-cellulose cotton, these standard lab filter are not intended for\nashing.APPLICATIONS Depending on the grades, these filters have many\napplications, for example:science : From clean-up of insoluble liquids to\nroutine clarification of suspensionfood : From solid foodstuffs separation and\nliquid extraction to fat content determinationbeverage : From filtration of\nmusts, pulps and syrups to malt analysisagriculture : From soil pre-filtration\nto analysisenvironment : From monitoring of fast flowing exhausts to smoke\npollutionCOARSE TO HIGH RETENTION Retains fine, medium and coarse precipitates\ndepending on grade used, for example:Grade 1 : Metal Sulfates (Pb, coarse form\nof Ba and Ca)Grade 2 : Metal Sulfides (Cd, Ni, Zn, Fe, Pb, Mn, Ag, As) Grade 4\n: Metal hydroxides (Al, Cr, Fe, Mg) , Be Oxidepaper : pure cotton\ncelluloseflow : slow, medium, fastretention : 5~10, 10~15, 20~25 μm (fine,\nmedium, coarse)speed : 15~20 s (10ml DIN 53137)size : ⌀ 185 mmthickness :\n140-160 μmweight : 86 g\/m²ash : 0.1%qty : 300 discsPLAIN-DISCS These Flat\nDiscs are suitable for gravity and Buchner low suction vacuum filtration. The\nsame affordable filters are also available funnel-ready prefolded or\nprepleated.EQUIVALENCE \u0026amp; SIZE See the cross-reference table and size diagrams\nin the photos to choose the appropriate reference and diameter of your\ncircles.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eGRADES 1, 2, 4 : 18.5cm - Equivalent to Whatman Top 3 standard qualitative grades (185mm)\u003c\/li\u003e\n \u003cli\u003eGRADE 1 : MEDIUM RETENTION \/ MEDIUM FLOW - Retains medium crystalline particles (10~15 micron)\u003c\/li\u003e\n \u003cli\u003eGRADE 2 : HIGH RETENTION \/ SLOW FLOW - Retains fine crystalline particles (5~10 micron)\u003c\/li\u003e\n \u003cli\u003eGRADE 4 : COARSE RETENTION \/ FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron)\u003c\/li\u003e\n \u003cli\u003eBROAD APPLICATION RANGE : lab \u0026amp; chemistry, food \u0026amp; agriculture, brewing \u0026amp; wine, air \u0026amp; gas filtration\u003c\/li\u003e\n \u003c\/ul\u003e"}
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Filter Paper 18.5 cm Lab Qualitative Filter Paper for Chemistry, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 185 mm (Bundle of 3 x 100 Discs) 18.5 cm (Bundle of 3)

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Filter Paper 18.5 cm Lab Qualitative Filter Paper for Chemistry, Standard Grades 1, 2, 4 - ZENPORE Fast, Medium, Slow Flow 185 mm (Bundle of 3 x 100 Discs)

GRADE 1, 2, 4 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 1, 2, 4, these laboratory filter paper are used for a broad range of filtration when you need to separate a solid or precipitate from the filtrate. Made from high alpha-cellulose cotton, these standard lab filter are not intended for ashing.APPLICATIONS Depending on the grades, these filters have many applications, for example:science : From clean-up of insoluble liquids to routine clarification of suspensionfood : From solid foodstuffs separation and liquid extraction to fat content determinationbeverage : From filtration of musts, pulps and syrups to malt analysisagriculture : From soil pre-filtration to analysisenvironment : From monitoring of fast flowing exhausts to smoke pollutionCOARSE TO HIGH RETENTION Retains fine, medium and coarse precipitates depending on grade used, for example:Grade 1 : Metal Sulfates (Pb, coarse form of Ba and Ca)Grade 2 : Metal Sulfides (Cd, Ni, Zn, Fe, Pb, Mn, Ag, As) Grade 4 : Metal hydroxides (Al, Cr, Fe, Mg) , Be Oxidepaper : pure cotton celluloseflow : slow, medium, fastretention : 5~10, 10~15, 20~25 μm (fine, medium, coarse)speed : 15~20 s (10ml DIN 53137)size : ⌀ 185 mmthickness : 140-160 μmweight : 86 g/m²ash : 0.1%qty : 300 discsPLAIN-DISCS These Flat Discs are suitable for gravity and Buchner low suction vacuum filtration. The same affordable filters are also available funnel-ready prefolded or prepleated.EQUIVALENCE & SIZE See the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles.

Product Features

  • GRADES 1, 2, 4 : 18.5cm - Equivalent to Whatman Top 3 standard qualitative grades (185mm)
  • GRADE 1 : MEDIUM RETENTION / MEDIUM FLOW - Retains medium crystalline particles (10~15 micron)
  • GRADE 2 : HIGH RETENTION / SLOW FLOW - Retains fine crystalline particles (5~10 micron)
  • GRADE 4 : COARSE RETENTION / FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron)
  • BROAD APPLICATION RANGE : lab & chemistry, food & agriculture, brewing & wine, air & gas filtration