| Communication response | Time to acknowledge a detailed product inquiry | Within 1 business day | Within 2 business days | Within 1 business day |
| Technical information | Provides a current product specification sheet and explains test methods | Specification sheet provided; test methods explained | Specification sheet provided; some methods need clarification | Specification sheet provided; test methods explained |
| Sample traceability | Sample is identified by product code, batch reference, and preparation date | All three details supplied | Product code and batch reference supplied | All three details supplied |
| Dissolution test | Time to dissolve under the same agreed test conditions | 4 minutes | 6 minutes | 5 minutes |
| Cleaning performance | Stain-removal result in a controlled, side-by-side wash test | Comparable to the agreed reference sample | Below the reference on one test stain | Comparable to the agreed reference sample |
| Residue and appearance | Visible residue and powder condition after storage and handling checks | No visible residue; free-flowing sample | Minor residue; slight caking after handling | No visible residue; free-flowing sample |
| Quality documentation | Availability of batch-specific certificate of analysis and safety documentation | Batch certificate and safety data available on request | Safety data available; batch certificate timing to be confirmed | Batch certificate and safety data available on request |
| Order and delivery terms | Minimum order quantity, lead time, and delivery responsibilities are stated | Terms stated in quotation; lead time confirmed before order | Minimum order stated; delivery responsibilities need clarification | Terms stated in quotation; lead time confirmed before order |
| Contract clarity | Written provisions for product specifications, acceptance, changes, and remedies | Specifications and acceptance process included; remedies need review | Change-control process included; acceptance criteria need detail | Specifications, acceptance, and change-control provisions included |
| Payment and claims | Payment schedule and process for reporting quality issues are documented | Payment schedule stated; claims process included | Payment schedule stated; claims deadlines need clarification | Payment schedule and claims process included |