Key takeaways
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Executive Summary
Dry residue includes at least two types of issues: visible or tactile film marks, streaks, and stickiness, as well as transferable residues that require wiping or analysis to identify. Testing must fix sample, dosage, water quality, program, environment, and observation method, and set up controls.
Who Is This For
- R&D and quality teams developing low-residue robot vacuum cleaning solutions
- Brand and OEM procurement teams comparing supplier samples
- After-sales personnel handling floor streak, stickiness, or footprint reoccurrence complaints
Who Is This Not For
- Teams that expect to prove no residue on all floors using a single white sample
- Teams that need chemical exposure or safety conclusions but only plan to do visual evaluation
How to Choose
- Record the material, coating, color, gloss, batch, and initial condition of the real floorboard sample.
- Set up untreated, water-only, and necessary benchmark product controls.
- Fix cleaning solution concentration, dosage, water quality, application or robot program, and number of repeats.
- Control temperature, humidity, light source, observation angle, drying and evaluation time.
- Record streaks, film feel, gloss, stickiness, footprint reoccurrence, and wipable residues separately.
- If claims involve transferable or chemical residues, select sampling and analysis methods compatible with the target substance and surface.
B2B Specifications
A B2B residue report should include sample, coating, batch, pre-cleaning, test substance, concentration, water quality, dosage, equipment program, environment, time points, controls, replicates, photo conditions, scoring, and necessary instrument data. Acceptance criteria are defined by the target surface and user requirements.
Comparison
Visual and tactile evaluation:Quickly identifies streaks, film marks, and stickiness but is affected by lighting and operator variability.
Photography or gloss measurement:Improves recording consistency but still requires standardized angle, lighting, and baseline.
Wiping or chemical analysis:Answers specific transferable residue questions; methods must match the target substance and surface.
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Conclusion
Dry residue evaluation should start with traceable samples and controls, fix dosage, water usage, program, and environment, and separately address visible film marks and transferable residues. A single surface or one-time visual observation cannot support broad claims of no residue.
Who It Is For
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Application Scenarios
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Suitable Surfaces
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Frequently asked questions
What types of dry residue are included?
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Visible or palpable film marks, streaks, and stickiness, as well as transferable residues that require wiping or analysis to identify.
What controls are needed for testing?
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Untreated controls, water-only controls, and necessary benchmark product controls must be set up.
How to ensure evaluation consistency?
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Fix sample material, coating, color, gloss, batch, and initial condition; fix cleaning solution concentration, dosage, water quality, application or robot program, and number of repeats; control temperature, humidity, light source, observation angle, drying, and evaluation time.
What should a B2B residue report include?
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Should include sample, coating, batch, pre-cleaning, test substance, concentration, water quality, dosage, equipment program, environment, time points, controls, replicates, photo conditions, scoring, and necessary instrument data.