Which Safety Standards Apply to High Chairs?
High chairs — including traditional high chairs, clip-on chairs, hook-on chairs, and convertible high chairs — are durable infant products with their own CPSC safety standard. Your CPC must reference the high chair standard along with general chemical safety rules for lead and phthalates.
High Chair Safety Standard
Standard Consumer Safety Specification for High Chairs
This is the primary safety standard for high chairs. It covers structural integrity (load testing, stability on inclined surfaces), restraint system requirements (passive crotch restraint and waist strap), tray retention strength, folding mechanism locks, and entrapment hazards (leg openings that could trap a child's torso). The standard also sets requirements for warning labels and instructions.
ASTM F404 applies to all types of high chairs including hook-on chairs that attach to tables, booster seats used for feeding, and multi-mode chairs that convert between high chair and other configurations.
Chemical Safety Standards
Lead Content Limits (100 ppm)
Total lead content in accessible parts must not exceed 100 ppm. For high chairs, this includes the painted or powder-coated metal frame, plastic tray and tray cover, seat padding with printed designs, harness buckles, and any decorative elements. Wood high chairs need lead testing on any finished or stained surfaces.
Ban on Lead-Containing Paint (90 ppm)
All painted or coated surfaces must comply with the 90 ppm lead paint limit. High chairs often have multiple painted components — the frame, tray, footrest, and decorative accents — each of which needs to be within limits.
Phthalate Content Limits
Phthalate restrictions apply to soft plastic or vinyl components a child can mouth. On high chairs, this commonly includes vinyl seat covers, soft plastic tray covers, rubberized grips, and any teething-friendly surfaces. Hard plastic trays and rigid structural components are generally not subject to phthalate testing.
Common Mistakes with High Chair CPCs
- Missing the passive restraint requirement. If your high chair design does not include a passive crotch post or equivalent, it will fail ASTM F404 testing regardless of what is on your CPC.
- Not testing hook-on chairs to ASTM F404. Hook-on and clip-on feeding chairs are covered by ASTM F404, not a separate standard. Some sellers mistakenly think only freestanding high chairs need this standard.
- Forgetting phthalates on vinyl seat covers. Vinyl and PVC seat pads are common on high chairs and need phthalate testing since children regularly mouth these surfaces during meals.
- Incomplete stability testing. ASTM F404 requires stability testing on inclined surfaces with a child (test weight) leaning in various directions. Test reports that only cover flat-surface stability are incomplete.
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