Product selection support
Discuss water conditions, process position and current products.
Source photograph; appearance, grade and supplied packaging follow the agreed product documents.
Coagulation & flocculation
Polyacrylamide
PAM
Select a suitable PAM for clarification, settling, thickening and sludge dewatering, matching flocculation behavior to the water, particles and equipment.
Confirmed availableSpecialty formulations
- Chemical identity
- Homopolymer reference CAS 9003-05-8; modified or copolymer grades follow the actual product SDS.
- Product form
- Powder or granules; emulsion products have separate specifications.
Add application & specification details
Application value
Uses and application conditions
Coagulation, flocculation & clarification; Settling, thickening & dewatering; Chemical phosphorus removal & solids separation; Membrane-feed clarification & filtration; Demulsification & oil–water separation; Heavy-metal precipitation & solids separation; Chromium speciation, reduction & separation; Fluoride precipitation & polishing; Paint detackification & sludge separation; Magnesium-assisted silica reduction in softening
Use these checks to compare equivalent supply specifications and narrow the candidate range for your actual process.
Specification & document coordination
Align specification basis, test methods and grade-specific documents.
Packaging & supply coordination
Review quantity, packaging and destination requirements.
Specifications & selection
Specifications and order requirements
Discuss your current grade or operating conditions. ENVO codes identify sales requirements; manufacturer grades, supply specifications, test methods and document versions are confirmed for the selected product.
ENVO-PAM-A-PAnionic powder
Ionic degree, molecular weight, solids and residual monomer: confirm for the selected grade.
ENVO-PAM-C-PCationic powder
Ionic degree, molecular weight, solids and residual monomer: confirm for the selected grade.
ENVO-PAM-N-PNonionic powder
Viscosity, solids and residual monomer: confirm for the selected grade.
Application conditions & technical scope
Compare molecular weight, solids and residual monomer under consistent test conditions. Low-residual or specific-use claims require current grade-specific test evidence; confirm grade selection through operating conditions or sample trials.
Appearance and supplied form
Confirm the form before comparing specifications.
Check the required form, then compare the composition, specifications and test conditions of the specific grade.
Product forms to compare
Dry powder / fine granules
White to pale yellow; varies by grade
Appearance information supports initial screening only. Color cannot establish chemical identity, concentration or quality grade. Confirm the actual batch using supply documents and samples.
Appearance and technical references
These public sources help check product categories, possible appearances and general application limits. They do not replace the TDS, SDS or batch COA for a specific ENVO grade.
- Thermo Fisher Scientific · Poly(acrylamide), granular, non-ionic
The specified nonionic PAM grade is white to pale-yellow granules; these are not ENVO grade specifications
- Rantec Corporation · RT9528 Anionic Polyacrylamide
The specified anionic grade is a white granular solid; also supports the application limits relating to preparation and shear
- ENVO Chemical · Polyacrylamide ENVO original catalogue
Associates the product page with a historical photograph; does not establish the current batch or the rights chain
- Yuncang Water Technology · Manufacturer product page and image association
Verifies only the product and form identified with the image; third-party formulations, specifications, certifications, performance and commercial rights are not transferred
Application issues and troubleshooting
Polyacrylamide — troubleshooting checks
Review symptoms, possible causes and verification steps together to prepare a more focused product-selection discussion.
01Fisheyes or gel lumps after dissolution
- Possible causes
- Inadequate powder dispersion, activation conditions unsuitable for the grade, or changes in preparation-water quality.
- Investigation and resolution
- Check dispersion and preparation procedures first, then compare PAM grades and activation behavior using the same water sample.
- Checks required
- Current grade, preparation-water quality, preparation equipment and time, fisheye photographs, and the condition of the remaining solution.
- Application limits
- Do not increase the dose solely because fisheyes appear, or apply another PAM product's generic preparation ratio.
02Flocs form, but treated water remains cloudy or dewatering is poor
- Possible causes
- Charge matching, shear, solids loading or equipment condition may differ from the original conditions.
- Investigation and resolution
- Run parallel trials with representative water/sludge samples, assessing clarification, drainage and floc resistance to shear separately.
- Checks required
- Sludge source, solids content, equipment, current product, trial method and the indicators to be improved.
- Application limits
- Higher molecular weight or cationic charge does not automatically mean a better fit.
03Supplier data are difficult to compare
- Possible causes
- Viscosity, molecular weight or residual monomer were measured on different bases.
- Investigation and resolution
- Align concentration, temperature, method and active-polymer basis before comparing grade documents.
- Checks required
- Current TDS, COA, test methods and end-use requirements such as low residual monomer.
- Application limits
- Low-residual claims require test results for the supplied grade and batch; literature for similar products is not a substitute.
Applications
See where this product fits.
Technical documentation
Get the information your purchasing decision needs.
Technical data sheet
Product properties, test basis and specification details.
Safety data sheet
Composition, handling, storage and transport information.
Certificate of analysis
Batch-specific analytical items and results.
Certification & use documents
Review the scope for the product and destination market.
Packaging & delivery
Reference packaging: 25kg/bag, in plastic-lined paper/plastic composite bags or PE bags. Actual packaging, labels and filled net weight are subject to the order and delivery documents.
Technical references & scope
Industry references describe general uses. Product specifications, certifications and application results require the corresponding supplier documentation.
More questions, answered.
Polyacrylamide: Fisheyes or gel lumps after dissolution — what should I check?
Check dispersion and preparation procedures first, then compare PAM grades and activation behavior using the same water sample.
What should I compare when buying Polyacrylamide?
Share the application, current product, purchase quantity and delivery location to help confirm a suitable specification. Key checks include: Ionic type and charge characteristics; viscosity and test concentration/temperature; residual monomer and test report; dissolution conditions; trial evaluation indicators. Compare the current grade document and the same test basis before choosing an alternative.
Which documents should accompany a Polyacrylamide enquiry?
Request the current grade-specific TDS and product SDS, the COA for the actual supplied batch, and any intended-use documents required for the destination. Share the application, specification, quantity and delivery requirements. Document version, batch coverage and public-release scope are confirmed for the specific request.
ENVO CHEMICAL
Discuss your water treatment needs
Share your application, current product or purchasing requirements to discuss a suitable supply option.