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SPE/Flash Sieve Plates from China Factory - Leading Suppliers for Solid Phase Extraction Solutions

PRODUCT OVERVIEW OF SPE/FLASH SIEVE PLATE FROM CHINA

The sieve plate is a crucial element in solid phase extraction columns and Flash Du systems, serving to stabilize the packing and regulate the flow rate. Our factory in China specializes in producing high-quality sieve plates for SPE and Flash applications. These plates have been meticulously optimized to provide superior flow rate control, enhanced purity, exceptional stability, and outstanding solvent compatibility. As a leading supplier in the industry, our products are trusted by numerous renowned brands in the solid phase extraction column market.

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    SPE/Flash Sieve Plate Product Overview

    The sieve plate is an important component of the solid phase extraction column/Flash Du, which plays the role of fixing the packing and controlling the flow rate. The sieve plate for our factory SPE/Flash has been specially optimized and it is word-leading in terms of flow rate control, purity, stability and solvent compatibility, and has been adopted by many well known solid phase extraction column brands.

    Main feature
    The flow rate of the sieve plate is constant, and it will not "perforate" when multiple tubes are used in parallel. The ultra-pure raw material is selected, which is suitable for high-sensitivity analysis. The ultra-thin sieve plate with a thickness of only 1.2 mm can be used to separate different packing layers in a multi-layer SPE column. PTFE sieve the plate is matched with the glass column tube, which can be used for the detection of plasticizes.

    Specification
    Material Diameter (mm) Thickness (mm) Suitable subject   Material Diameter (mm) Thickness (mm) Suitable subject
    UHMW-PE 5.8 1.6 1ml Column pipe   UHMW-PE 23.6 2.5 30ml Column pipe
    UHMW-PE 9.0 2.5 3ml Column pipe   UHMW-PE 26.6 2.5 60ml Column pipe
    UHMW-PE 9.1 2.5 3ml Column pipe   UHMW-PE 49.5 2.5 300ml Column pipe
    UHMW-PE 13.0 1.2 6ml Column pipe   UHMW-PE 6.0 1.6 1ml 96 Orifice plate
    UHMW-PE 13.0 1.6 6ml Column pipe   UHMW-PE 7.0 1.6 1.5ml 96 Orifice plate
    UHMW-PE 13.0 2.5 6ml Column pipe   UHMW-PE 8.3 1.6 1.5ml 96 Orifice plate
    UHMW-PE 15.8 2.5 12ml Column pipe   PTFE 12.7 2.5 6ml Glass Column pipe
    UHMW-PE 19.7 2.5 20ml Column pipe   - - - -

    Affinity Chromatography (AC) Columnfrits Product Overview

    Affinity chromatography column sieve plate is especially suitable for affinity chromatography column with Sepharose 4B as matrix, mainly used for recombinant protein extraction, antibody purification or effective component separation.

    Application Of PE Sintered Products Inlaboratory (Select Plates By Application)

    Specification
    Diameter (mm) Thickness (mm) Pore size (μm) DNA (mL)   Diameter (mm) Thickness (mm) Pore size (μm) DNA (mL)
    5.8 1.6 50 1   22.8 1.6 50 30
    9 1.6 50 3   26.6 1.6 50 60
    9.1 1.6 50 3   38.0 1.6 50 150
    13 1.6 50 6   49.5 1.6 50 300
    15.8 1.6 50 12   1-50 1.6/2.5 20/50/80 -

    Oligonucleotide Synthesis /Oligosynthesis Frit Product Overview

    The our factory sieve plate DNA extraction can choose hydrophilic sieve plate or hydrophobic sieve plate, no DNase/RNase, no PCR inhibitor, 20um or 50um pore size. Hydrophobic sieve plates are mainly used for solid liquid phase separation of bacterial lysates, which require pressurization instead of centrifugation steps; hydrophilic sieve plates are mainly used for the purification process of plasma DNA.

    Specification
    Diameter (mm) Thickness (mm) Pore size (μm) DNA (mL)   Diameter (mm) Thickness (mm) Pore size (μm) DNA (mL)
    7 1.6 20 96well   11 1.6 20 15spin
    7.2 1.2 20 2spin   19.7 1.6 50 20
    7.2 1.6 20 2spin   23.6 1.6 50 30
    7.4 1.2 20 2spin   24 2.5 20 50spin
    7.4 1.6 20 2spin   26.6 1.6 50 60
    8.3 1.6 20 96well   49.5 1.6 50 300

    Solid Phase Synthesis Product Overview

    DNA synthesis cartridges are used in single-use synthesis cartridges to immobilize expensive CPG particle bleed. The pore size of the DNA synthesis filter element needs to be optimized so that when the liquid is transported upwards, the CPG particles rise and remain in suspension, allowing the particles to mix properly.

    Solid Phase Synthesis Product Overview

    Solid phase synthesis (Solid Phase Synthesis) usually refers to the reaction between active functional groups attached to a solid support (such as resin, etc.) and reagents dissolved in an organic solvent. In solid-phase peptide synthesis, the elongation of the peptide chain is carried out on an insoluble polystyrene resin carrier. The C-terminal of the synthesized polypeptide is first reacted with chloromethyl polystyrene resin (benzyl chloride resin) to form a benzyl ester, and then the amino acids that have been protected at the amino terminal are added one by one according to the order of the primary structure of the peptide chain, so that peptide chain elongation.

    The solid-phase method is simpler than the liquid-phase method, the time is shortened, and it can be automated. It has been applied in our country's pharmaceutical industry.

    Product Optional list
    Material Diameter (mm) Thickness (mm) Apply for   Material Diameter (mm) Thickness (mm) Apply for
    UHMW-PE 2.4 2.5 Lower sieve plate   UHMW-PE 9.0 2.5 Upper sieve plate
    UHMW-PE 2.5 2.5 Lower sieve plate   UHMW-PE 9.0 2.5 Lower sieve plate
    UHMW-PE 2.7 3.0 Lower sieve plate   UHMW-PE 13.0 2.5 Upper sieve plate
    UHMW-PE 3.9 3.0 Upper sieve plate   UHMW-PE 13.0 2.5 Lower sieve plate
    UHMW-PE 4.1 2.5 Upper sieve plate     - -

    ION Chromatography Product Overview

    Ion chromatography (Ion Chromatography) is one of high performance liquid chromatography (HPLC), which is a liquid chromatographic method for analyzing of anions and cations. Compared with photometric and atomic absorption methods, the main advantage of IC is that multiple components of the sample can be detected simultaneously. It takes only a short time to obtain all the information about the anions and cations and the composition of the sample. The sieve plate of the ion chromatography pretreatment column is similar to that of the SPE column.

    (HBA1C)Filters Product Overview

    The filter for glycated hemoglobin (HbA1c) assay is made of PEEK and stainless steel filter with the inlay process. PEEK ensures the precision of filtration and stainless steel filter ensures the precision of filtration. After a lot of tests, our filters can completely replace the imported products and can be matched with the mainstream HbA1c analyzers.

    Frequently Asked Questions (FAQ)

    Q: What makes your SPE/Flash sieve plates suitable for high-sensitivity analysis?
    A: Our sieve plates are manufactured using selected ultra-pure raw materials. They maintain a constant flow rate and will not "perforate" when multiple tubes are operated in parallel, ensuring high reliability and cleanliness required for sensitive analytical applications.
    Q: When should I choose a PTFE sieve plate over a UHMW-PE sieve plate?
    A: PTFE sieve plates are designed to be matched with glass column tubes and are ideal for applications such as the detection of plasticizers, where plastic contamination from standard PE materials must be avoided.
    Q: What are the primary uses of hydrophilic and hydrophobic sieve plates in Oligonucleotide Synthesis?
    A: Hydrophobic sieve plates are primarily used for the solid-liquid phase separation of bacterial lysates (requiring pressurization instead of centrifugation). Hydrophilic sieve plates are mainly used for the purification process of plasma DNA. Both types are free of DNase/RNase and PCR inhibitors.
    Q: Why is pore size optimization important for DNA synthesis cartridges?
    A: Optimizing the pore size ensures that when liquid is transported upwards, the expensive CPG particles rise and stay in suspension. This allows the particles to mix properly without bleeding out of the cartridge.
    Q: How are your HbA1c filters constructed, and can they replace imported brands?
    A: Our HbA1c filters are made of PEEK and stainless steel using a specialized inlay process, ensuring precise filtration. Extensive testing shows they can completely replace imported products and match perfectly with mainstream HbA1c analyzers.