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Product Description Product DescriptionSPECIFICATION DETAILPRODUCT NAMEXanthan Gum 200Mesh (food grade)PRODUCT SPECXCF-200BATCH NO.230203009SAMPLING DATE2023.02.03REPORT DATE2023.02.03TOTAL BATCH6000 kgsSAMPLE500GTHEREUNDERAPITEST ITEMSSTANDARDTEST RESULTQUALIFIED OR NOTAppearanceOff-white or Light YellowconformQDry Sieve Analysis,% Thru US #200≥92.097.9QViscosity 1% XG im 1% KCL solution, nPa.s   1200-1700 1470QShear Ratio ≥6.57.7QPH(1% XG solution)   6.0-8.0 7.0QLoss on Drying,% ≤13.06.8Q Ash,%   ≤13.0 <13.0QPyruvic Acid,%≥1.5 >1.5Q Total Nitrogen ≤1.5<1.5QPb, mg/kg≤2.0<2.0Q Total Plate Count, CFU/g≤50003200Q Yeasts & Moulds, CFU.g ≤500<500QColiforms, MPN/g≤3.0<3.0QSalmonella 0/25g 0/25g QConclusionConform to the standard of APIXanthan gum is currently the world's thickening, suspension, emulsification, stability in one. The best performance of biological glue. The number of pyruvate groups in the end of the molecular side chain of xanthan gum has a great influence on its properties. Xanthan gum has the general properties of long chain polymers, but it contains more functional groups than ordinary polymers, and will show unique properties under certain conditions. Its conformation in aqueous solution is diverse and does not show different characteristics under conditions. 1. Suspension and emulsification Xanthan gum has good suspension effect on insoluble solids and oil droplets. Xanthan colloidal molecules can form superbinding ribbon helical copolymers, forming a fragile glue-like network structure, so it can support the form of solid particles, droplets and bubbles, showing strong emulsifying stability and high suspension capacity. 2. Good water solubility Xanthan gum dissolves quickly in water and has good water solubility. Especially in cold water can also be dissolved, can save complicated processing process, easy to use. However, because it has a strong hydrophilicity, if it is directly added to water and stirred insufficiently, the outer layer absorbs water and expands into micelles, which will prevent water from entering the inner layer, thus affecting the play of the role, so it must pay attention to the correct use. Xanthan gum dry powder or salt, sugar and other dry powder accessories mix well, slowly add to the stirring water feed, make a solution for use. 3. Thickening Xanthan gum solution has the characteristics of low concentration and high viscosity (the viscosity of 1% solution is 100 times that of gelatin), and it is an efficient thickener. 4. False plasticity Xanthan glue solution has high viscosity under static or low shear action, and shows a sharp decrease in viscosity under high shear action, but the molecular structure is unchanged. When the shear force is eliminated, the original viscosity is immediately restored. The relationship between shear force and viscosity is completely malleable. Xanthan gum is very prominent in pseudoplasticity, which is very effective in stabilizing suspension and emulsion. 5. Stability to heat The viscosity of xanthan gum solution does not change greatly with the change of temperature, the general polysaccharide will change viscosity due to heating, but the viscosity of the xanthan gum solution is almost unchanged between 10-80 oC, even if the low concentration of the water solution still shows a stable high viscosity over a wide temperature range. 1% xanthan gum solution (containing 1% potassium chloride) is heated from 25 ° C to 120 ° C. Its viscosity is reduced by only 3%. 6. Stability of acid and base Xanthan gum solution is very stable to acid and base, and its viscosity is not affected between PH 5-10, and the viscosity changes slightly when PH is less than 4 and greater than 11. In the PH3-11 range, the difference between the maximum and minimum values of viscosity is less than 10%. Xanthan gum can be dissolved in a variety of acid solutions, such as 5% sulfuric acid, 5% nitric acid, 5% acetic acid, 10% hydrochloric acid and 25% phosphoric acid, and these xanthan gum acid solutions are quite stable at room temperature, and the quality will not change for several months. Xanthan gum is also soluble in sodium hydroxide solution and has thickening properties. The resulting solution is stable at room temperature. Xanthan gum can be degraded by strong oxidants, such as perchloric acid and persulfuric acid, and degradation accelerates with increasing temperature. 7. Stability of salt Xanthan gum solution can be miscible with many salt solutions (potassium salt, sodium salt, calcium salt, magnesium salt, etc.), and the viscosity is not affected. Under the condition of higher salt concentration, even in saturated salt solution, it still maintains its solubility without precipitation and flocculation, and its viscosity is almost unaffected. 8. Stability of enzymatic reaction The stable double helix structure of xanthan gum makes it highly resistant to oxidation and enzymatic hydrolysis. Many enzymes, such as protease, amylase, cellulase and hemicellulase, cannot degrade xanthan gum. FAQQ: Do you offer samples? Is it free or extra? A: Yes, we can provide samples for free through SF Express, DHL, or EMS, but we are not responsible for the delivery fee. Q: What is your minimum order quantity? A: Usually our minimum order quantity is a 20-foot standard container. Q: How many tons can one container hold? A: Usually 21 tons are shipped without pallets. The pallet can hold 20.4 tons. Q: Can OEM /ODM be supported? A: Yes, we can produce according to your requirements. Q: Do you have it in stock? A: Most customers like products in stock, so we try to keep most of our products in stock. Q: When do you expect delivery? A: It depends on the quantity of the order. Generally speaking, samples can be delivered to the port 7 working days after payment; For large orders, delivery will take place within 7-15 working days after receipt of payment. Q: What are your payment terms? A: It is highly recommended that you make a wire transfer in advance. It is also possible to pay 30% deposit before production, and 70% of the final payment is paid after loading. Q: What documents can you provide? A: Usually we provide commercial invoice, packing list, bill of lading, insurance, analysis sheet and certificate of origin. If your market has any special requirements, please let us know. Q: How do you handle quality complaints? A: Our quality control will reduce quality problems to almost zero. If there is really a product quality problem, we are willing to make the corresponding compensation according to the certification materials.

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