Glass Fiber Prefilter

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Glass Fiber Prefilter
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  • Presep Glass Prefilters

    GVS Filter Technology

    …the main filter allows the prefilter to fit inside the O-ring or filter funnel holder seal, ensuring a positive membrane seal. When used as the main filter medium, select a diameter of the same size as the filter holder to be used. Type G15 Glass Fiber Prefilters with Binders (4749A02 to A14)…

  • …designed for high throughput filtration of viscous and particle-laden solutions. The syringe filter contains a filter membrane along with a glass fiber pre-filter. The filter membrane is available in PES or Hydrophilic PVDF materials, offered in 0.2µm or 0.45µm pore sizes. The filter membrane is…

  • …applications.Cytiva also offers high-performance GD/X syringe filters with a multi-layer glass fiber prefilter for filtering larger volumes of harder-to-filter samples. Glass microfiber (GMF) membranes Glass microfiber is hydrophilic and has excellent compatibility with organic solvents and…

  • Syringe filters for convenient filtration of small sample sizes through membranes. This glass microfiber syringe filter can be used as a pre-filter to remove interfering particulates before filtering a sample through a membrane.

  • Glass Fiber Filter Disks

    Celltreat Scientific

    Glass Fiber Filter Disks are an ideal prefilter to prevent clogging when filtering viscous or particulate-laden solutions with CELLTREAT Scientific Products vacuum Filter Systems and Bottle Top Filters. Increase filtration speed by removing larger part

  • ValuSep® 5um Glass Micro Fiber (GMF) prefilters are made of two separate layers of glass fiber in a very thin format for highly efficient capture and retention of particles that could prematurely clog an SPE filter.

  • prefilter stack rather than a multi-layer glass fiber stack to minimize levels of ion extractables Extremely low protein binding filter High loading volume for filtration of challenging samples Incorporates a two-layer polypropylene prefilter stack rather than a multi-layer glass fiber stack to…

  • …borosilicate glass, binder-freeExtends life of final filter membraneCytiva Whatman GMF 150 prefilters are multilayer graded density filters for rapid and efficient filtration of samples with high solids content. Multilayer filter design When a sample is applied, the multigrade glass filter traps…

  • SLHVM25NS

    MilliporeSigma

    …25 mm syringe filter with a Hydrophilic PVDF membrane, for non-sterile filtration, has a 0.45 µm pore size used in clarifying of proteinaceous solutions with high particulate levels. PVDF membrane with graduated glass fiber prefilter Recommended for filtering solvents Non-sterile

  • …workstations by eliminating shingling between filters on the transport rack. Non-sterile HPF Millex® filters include a graduated glass fiber prefilter to removed larger particles and either a 0.20 µm or 0.45 µm membrane filter for fine filtration. This combination of…

  • No binder extractables Recommended for temperatures up to 510°C (950°F). Porosity micron: 1 Sterile: No Hydrophobic : No Kind : disk Dimension mm : 90 Grade : Plain Pad : NA

  • Syringe Prefilters

    Thermo Scientific Nalgene

    …syringe filters with prefilter membrane or multiple media layers are designed for filtering high particulate or viscous suspensions or solutions. Glass fiberPrefilter CA – For buffers, aqueous reagents and solutions 25mm diameter Prefilter, non-sterile, autoclavable…

  • Glass-Fiber Membrane Prefilters

    Thermo Scientific Nalgene

    Nalgene 281 Extends the life of membrane filters Thin, non-sterile Autoclavable Glass-fiber prefilters are for use with Nalgene disposable filter units.

  • …support. Strong, flexible, and nonshedding, both dry and wet. Delivers high flow rates at low differential pressures. Can be used as a prefilter to replace glass fiber filters. UV or gamma sterilizable. Pall Laboratory products are designed for laboratory applications only. This product is not…

  • …syringe filter portfolio used in a variety of applications.Cytiva also offers high-performance GD/X syringe filters with a multi-layer glass fiber prefilter for filtering larger volumes of harder-to-filter samples. Polyvinylidene difluoride (PVDF) membranes PVDF membranes are designed for…

  • PTFE Depth Filters

    Advantec MFS

    Pure PTFE (Polytetrafluoroethylene) fibers are sintered to create a unique depth-type filter. These PTFE filters offer superior handling and minimal fiber slough-off compared to glass and quartz filters. Naturally hydrophobic, the media will separate aqueous from non-aqueous phases of mixtures.…

  • Depth filters with high particle loading capacity. Made of 100% borosilicate. Temperature resistant up to 500 °C. Typically placed directly on top of other membrane filters to act as a prefilter; or may be used to filter solutions directly.

  • …for gasses or as a prefilter. Binderless borosilicate glass microfiber. Particle retention: 1.00 µm Filtration speed: 30 seconds Thickness: 0.65 mm Basis weight: 140 g/m 2 Depth filtration categorizes filter media that traps particulate within the random matrix of fibers found within the…

  • FilterMate™ Filtration System

    Environmental Express

    …SC0407 FilterMate utilizes a PTFE prefilter in addition to a 0.45µm final filter. This model is not recommended for particulate laden samples. For filtering small volumes of TCLP extract, we offer the SC0404 FilterMate with prewashed glass fiber filter material suitable for TCLP…

  • AP40 Glass Fiber Filter

    MilliporeSigma

    This 90 mm hydrophilic Glass Fiber filter with a 0.7 µm pore size is recommended prefilter for 0.9 to 8um filters, especially for proteinaceious & heavily contaminated liquids. Can be sterilized by EO, gamma & autoclave. Filter Color: White Thickness: 475 µm …

  • Pall® Glass Fiber Filters

    Pall Laboratory

    …highly contaminated solutions. Extends filter life and reduces final filter changes with high capacity prefilters. Eliminates sample contamination. Binder-free borosilicate glass fiber has no added extractables. Filters a wide range of particulate loads and viscous solutions with a…

  • Advantec Glass Fiber Filters are depth filters made of pure borosilicate glass microfibers. Highly resistant to chemical attack and biologically inert. Binder-free and thermostable to 500°C. These grades are recommended primarily used in environmental air monitoring applications. Grade…

  • EZFlow® 90mm Glass Fiber membrane disc filters are manufactured from Borosilicate glass without binders. These glass fiber disc filters have good solids holding capacity and can be used as pre-filters for heavily contaminated solution samples. The glass fiber membrane disc filters have high flow…

  • Advantec Glass Fiber Filters are depth filters made of pure borosilicate glass microfibers. These grades are thicker and have a high loading capacity and typically faster flow times. Recommended for filtering viscous fluids such as proteinaceous solutions and gels and as prefilter to extend membrane…

  • …of pure borosilicate glass microfibers. Organic binder gives these filters higher wet strength and lower fiber release compared to binder-free grades. Thermostable to 120°C. Recommended for high pressure filtration, applications requiring wet strength, or as a prefilter. Grade GC90 is…

  • … Type AP15 Lowest dirt-holding capacity Recommended prefilter for 0.2 to 0.6 µm filters Type AP20 Lower retention, higher dirt-holding capacity than AP15 filters Recommended prefilter for 0.8 to 8.0 µm filters Use upstream to protect type AP15…

  • …are available in a wide range of flow rates and throughput capacities. Glass fiber filters are available with or without binder resins and can be sterilized by EO, gamma, or autoclave (121 °C at 1 bar). Glass Fiber Filters with Binder Resin Millipore filters with binder resin have…

  • Advantec Glass Fiber Depth Filters feature high-loading capacity, fast flow rates, are highly resistant to chemical attack, and biologically inert. General purpose and clarifying filtration grades. Binder-free and thermostable to 500°C. Grade GA55 is a thin filter recommended for…

  • …the solution may need to be filtered through a glass fiber filter. STM 4500-P.C Phosphorus in Water: Vanadomolybdophosphoric Acid Colorimetric Method During sample preparation a glass fiber filter may be used as a pre-filter before the membrane filter. Grade 161 is suitable.…

  • Glass Microfiber Filters

    Ahlstrom-Munksjo

    …analytical papers with similar particle retention. Widely used as a depth type pre-filter ahead of final membrane filters. Sometimes used in combination with grade 121 as a graded porosity protective and retentive pre-filter for highly-efficient protection of membrane filters. GRADE 131 (1.0…

  • …from less fine fibers, thick with a very high-loading capacity Particle retention 2.7 µm Extremely high speed; ten times more rapid than the fastest comparable retention cellulose filter paper Withstands temperature to 500°C Designed as a membrane pre-filter, with sizes to fit…

  • Depth Filtration Glass Micro Fiber GRADE D - Coarse porosity, fast flow rate, with a 2.7 µm size particle retention. Well suited for higher volume and repetitive laboratory filtering. Also ideally used as a general pre-filter to extend primary filter life. Binderless borosilicate glass

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