HEMC Extrusion

1. Gerneral IntroductionHydroxyethyl Methyl Cellulose (HEMC) is made by high purity fine cotton through series of chemical processing under alkaline conditions. It do not contain any organs of animals, fat or bioactive constituents.Hydroxyethyl Methyl Cellulose (HEMC) is a tasteless and odorless white or light yellowish powder, which appears to be a transparent viscous solution when dissolved in cold water. As Hydroxyethyl Methyl Cellulose is made by introduction of epoxy ethane substituent on the basis of Methyl Cellulose, it has higher gel temperature and better resistant to saline compared with unmodified polymer. 2.Commodity InformationName: Hydroxyethyl Methyl Cellulose (HEMC)Other name:  2-Hydroxyethyl methyl cellulose; Cellulose methyl hydroxyethyl ether; Methyl hydroxyethyl cellulose (MHEC); Cellulose,2-hydroxyethylmethylether; CAS No.: 9032-42-2HS CODE: 391239003.Properties1)Solubility. Soluble in water (even cold water) and some organic solvents and solvent-water systems due to the hydrophobic groups in its molecule.2) Surface activity. HEMC has a surfactant property in solution and can act as protective colloid and emulsifier.3) Mildew resistance. Benefit from the good fungi and bacteria resistance, HEMC has excellent viscosity stability even for long time storage.4) PH stability. The viscosity of the aqueous solution is almost not influenced by acid or alkali especially in the range of 3.0-11.0.5) Low ash content. As the non-ionic product, it has very low ash content.6) Water retention. HEMC can be used as efficent water retention for its hydrophily.7) Other properties. Thickening agent, film former, adhesives, lubricants, suspending agent, shape retention, etc.4. Functions when used in extrusion fieldHydroxyethyl Methyl Cellulose(HEMC) can be mixed with cement, aggregates, fiber and water to make the extrusion. As one of the up-to-date methods cement based extrusion mainly used to produce base panels, bricks, spacers, etc. Hydroxyethyl Methyl Cellulose(HEMC) used in mixtures of the cement based extrusion can replacing asbestos. Following is the advantages. 1) Stabilize the dimensions of extruded wet products. 2) Provide water retention and thermal stability.3) Improve lubrication dispersion stability.4) Enhance pot life.5) Improve green strength when Ceramic Extrusion.5. Technical indexTypes ItemsViscosity 2%  BrookfieldMethyl Content %Gelling Temperature℃Moisture %Application fieldYMA70 50,000-70,00022.0-32.0 60-90 ≤ 5.0 Cement extrusionSMC76502 11,000-16,000 22.0-32.0 60-90 ≤ 5.0 Cement extrusion SMC76001 10,000-14,000 22.0-32.0 60-90 ≤ 5.0 Cement extrusionSMC71002 7,000-11,000 22.0-32.0 60-90 ≤ 5.0 Ceramic Extrusion6. PackagePacking: 25kg or 20 per kraft bag with PE inner            350kg per jumbo-bag. Bags can be designed according to customers’ demands.7. Storage1) Store in a cool, dry, clean, ventilated environment.2) Material must be handled as a Industrial chemical, should not use as an additive for food or pharmaceutical application. Observe the precautions as mentioned in the MSDS.3) The products should be prevented from water and avoided damaging during transportation. 8. CertificateCertificate can be provided according to customer’s demands. If need special certificate for the import country or for destination customs clearance please inform us before the order.9. Special Index productWe can do OEM production. Welcome send us sample or index you want to import.