Document guide
Polyurethane resin manufacturers files to request before inquiry
This page is a specification and evidence checklist for a polyurethane resin manufacturers RFQ. It is not an ESG statement, carbon program or plant certification. Files must match the quoted grade, form and concentration.
Document pack the manufacturer should attach to the quote
Request current revisions. A related-grade file is a gap, not a pass. Safety data sheet, technical data sheet and certificate of analysis are the core three; TSCA, REACH, GMP or ISO pages are added only when the destination or use needs them.
- Safety data sheet. Composition range, flash point, pH if applicable, UN number and storage statements for the quoted concentrate. Handling and transport follow this file, not this website.
- Technical data sheet. Grade, form, viscosity or melt flow, density, color, typical versus specification columns clearly labeled.
- Certificate of analysis format. Methods for assay, moisture, residual solvent or trace metals that the incoming lab will actually run.
- Transport note. DOT or IMDG class proposed for the package size going to the US site. Carriers may still refuse a class that looks correct on paper.
- Sample protocol. What the trial quantity is meant to confirm: identity, appearance, hardness, viscosity or another buyer-owned criterion.
Trade-offs that documents will not hide
Aromatic systems can yellow faster than aliphatic systems in outdoor exposure; aliphatic packages often cost more and still need buyer testing. Thermoplastic pellets need moisture control that liquid two-component systems do not share. Higher solids can raise viscosity and change spray or potting equipment. These are selection factors. Neither route is declared superior here, and neither is a performance promise from this desk.
Approval questions before the inquiry leaves the buyer
- Which process, hardness window and color will the polyurethane resin see, and who inside the company owns that number?
- Is a specific isocyanate, solvent or heavy-metal chemistry restricted by the site or by a customer spec?
- Will quality accept a mill CoA, or is a third-party assay required for the first lot?
- Are drums allowed at the dock, or must the quote use IBCs with a different UN package instruction?
- Which open fields (particle size, molecular weight, solids content) are unused and should stay off the RFQ?
Unresolved answers should remain visible on the comparison sheet. Use the procurement brief as the working template.
Request documents with the polyurethane resin manufacturers quote
Name the quoted hardness or TPU series, liquid versus pellet, net fill and US dock so SDS, TDS and CoA can be requested against that exact item rather than a family file.