Sanyo · Rice Cookers
Sanyo Rice Cooker Ecj-n100f 1.8l
Lower concern, standard rice cooker with no PFAS-risk materials identified, but Sanyo makes no public PFAS statement.
The Sanyo ECJ-N100F uses a stainless steel inner cooking vessel and aluminum base, neither of which typically contains PFAS. Rice cookers rarely employ nonstick coatings or water-resistant treatments that would introduce PFAS. Sanyo does not publicly disclose PFAS policy, so confidence is moderate rather than high.
Shop Sanyo on Amazon →Material
Stainless steel inner pot, aluminum heating plate
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Category baseline
cookware is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
Uncoated safe material
Bare, uncoated material (cast iron, stainless, carbon steel, or glass) with no surface treatment to contain PFAS.
The full breakdown
What it's made of and why it matters
The ECJ-N100F uses a stainless steel inner cooking pot paired with an aluminum heating plate. Stainless steel is chemically inert during cooking and does not leach metals into food under normal use. Aluminum heating plates are common in rice cookers and transfer heat efficiently; aluminum leaching into rice is minimal because aluminum does not contact food directly in this design, heat transfers through the pot walls. No non-stick coatings (Teflon-type coating, ceramic, or enamel) are present, eliminating fume risks from overheating or coating degradation.
The brand's record and disclosure
Sanyo (now owned by Panasonic) does not publish a detailed PFAS or chemical safety statement for consumer products. No recalls specific to the ECJ-N100F model have been publicly documented for chemical hazards. The brand's silence on PFAS and material sourcing is typical for mid-tier appliance manufacturers and does not indicate a known problem, but reflects a lack of transparency rather than verified safety.
How it compares in its category
This model represents a standard mid-range rice cooker design. It avoids problematic coatings (ceramic, enamel, or Teflon-type coating) that can degrade or off-gas; many budget and premium rice cookers use these same stainless steel and aluminum combinations. The lack of glass lid (if applicable) or plastic control housing does not introduce known leaching risks. Overall, the material profile is safer than rice cookers with non-stick or heavily coated interiors.
If you buy it
Use only soft utensils (wood or silicone) inside the pot to avoid scratching stainless steel and creating pitting sites. Do not exceed the maximum fill line; overfilling can cause moisture to contact the heating plate and degrade seals. Replace the gasket or seals if they become cracked, discolored, or hard, as they may no longer prevent steam leakage. Wipe the aluminum heating plate dry after each use to prevent oxidation and ensure even heat transfer; do not submerge it.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Aluminum heating plate oxidation and leaching
Aluminum plates in rice cookers can oxidize if exposed to moisture or acidic foods. While direct food contact is minimal, corrosion of the plate over years of use could theoretically allow trace aluminum to migrate into water or steam. Risk is low if the appliance is maintained and dried regularly.
Stainless steel pot pitting from salt or acidic foods
Stainless steel can develop small pits if exposed to chloride salts or acidic liquids (e.g., vinegar) over time, especially if scratched. Pitting does not typically cause leaching of harmful metals at levels of concern for occasional exposure, but it compromises pot integrity and appearance.
Gasket and seal degradation
Rubber or silicone gaskets and seals in the lid or steam vent can harden, crack, or deteriorate after 2-3 years of heat cycling. Degraded seals may release or absorb water contaminated with mineral deposits or mold; replacement gaskets are typically available from the manufacturer.
Electrical safety and thermal burns
Rice cookers pose a standard burn risk from steam and hot surfaces. The ECJ-N100F has no known electrical defects on record, but users should follow the manual's guidance on steam venting and keep hands clear of the lid when opening.
Plastic control housing and buttons
If the control panel uses plastic components, they are not submerged and do not contact food. No specific off-gassing or leaching issues have been documented for this model's control assembly.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Rice Cookers
Aigostar
(2 pack) Rice Robot Personal Rice Cooker, PFAS-free, Nonstick. 1 Quart Capacity (4 Cups), with Stainless Steel Steamer Tray, Measuring Cups, Recipe
Nonstick coating (unspecified type); stainless steel steamer tray
Explicit PFAS-free claim is a strong signal, but lack of third-party verification or coating detail leaves moderate uncertainty.
⚠Risky category by default
More rice cookers grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.