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China, Chinese Pulp Paper Industry Defoamer Polyether1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Chemical Auxiliary CatalystPaper ChemicalDefoamerDefoamer Polyether
Longkey Chemistry Limited
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Product Description Polyether Defoamer Product OverviewSunpaper 7457 is a high-performance polyether defoamer designed for demanding foam control in papermaking systems, particularly in recycled fiber processes (e.g., wastepaper-derived pulp). It delivers rapid foam collapse, sustained suppression, and enhanced dewatering efficiency without compromising internal sizing performance. Key FeaturesRapid Defoaming ActionAchieves >90% foam reduction within 30 seconds under mechanical shear (500-1500 RPM).Long-Term StabilityResists hydrolysis and maintains efficacy in pH 4-10 and temperatures up to 60°C.Broad-Spectrum CompatibilityEffective in:Recycled Fiber Systems: High anionic trash (10-200 μeq/g) and dissolved colloidal substances (DCS).Paper Grades: Testliner (125-200 g/m2), fluting medium (80-140 g/m2), white-top linerboard.Process Water: Closed-loop systems with high conductivity (2-15 mS/cm).Dewatering EnhancementReduces air content in white water by 20-30%, improving wire section drainage by 12-18%.Cost Efficiency40-60% dosage reduction compared to conventional fatty alcohol defoamers (e.g., tributyl phosphate). Physical PropertiesPropertyValue/RangeAppearancePale yellow to amber viscous liquidpH4.0-8.0 (1% aqueous solution)OdorSlightly oily odorViscosity100-500 mPa·s (25°C)Density0.95-1.05 g/cm3Note: Properties are indicative and not intended as quality control specifications. Application GuidelinesTypical Dosage100-250 g/ton of dry pulp (optimized via factorial analysis of system variables).Critical Injection PointsWire pit (post-forming section).White water chest (pre-decker).Size press circulation loop.High-consistency pulpers (3-8% consistency).Dosing MethodUse continuous multi-point dosing with peristaltic pumps (flow rate: 0.5-5 L/h).Process IntegrationConduct jar tests to optimize dosage against dynamic conditions:Furnish composition (recycled fiber %).Machine speed (200-1500 m/min).Retention aid type (e.g., cationic starch, microparticle systems).Monitor foam levels via optical sensors or conductivity probes. Packaging & StoragePackaging: 200 kg PP drum or 1000 kg IBCs.Container Load: 22 MT/20 ft. (IBC).Storage: Store in sealed containers in a cool, dry place away from sunlight.Shelf Life: 12 months.Transportation: Classified as non-hazardous under standard regulations. Health & SafetyHazard Profile: Non-hazardous per GHS criteria (no H/P phrases).Handling:Eye/Skin Contact: Flush immediately with water. DisclaimerThe information provided in this Technical Data Sheet is based on current knowledge and practices. Please consult Sunpaper directly for specific queries or updates. Let me know if you need further clarification!Also provide:BactericideControl EnzymeCylinder Release aidDefoamer (fatty)Defoamer (polyether)Dry Strength AgentYankee dryer adhesion gent.Please contact me for pricing and samples.
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