PFAS in Silicone Baking Molds, Which Brands Grade Best and Worst

Based on available materials and data, every silicone baking mold currently in our database, all eight Fat Daddio's items and all four KitchenAid-branded items, lands in the same "Good" tier with a model-based score of 65 out of 100. That means none of the graded products in this guide carry a red flag for PFAS use, but none of them earn a perfect score either, because food-grade silicone bakeware sits in a gray zone where manufacturers rarely publish independent lab testing and "no PFAS added" claims are almost always brand-stated rather than third-party verified.

If you want a single starting point, the Fat Daddio's ProSeries Silicone Baking Mat is our lead recommendation in this category. It shares the same 65/100 "Good" grade as every other product below, but it's the most widely available, has the clearest material documentation of the group, and represents the baseline quality level you should expect from a reputable silicone bakeware brand. The real risk in this category isn't any of the graded products here, it's the large pool of unbranded and ungraded silicone molds sold on marketplaces with no disclosure at all. We'll cover what to watch for in those later in this guide.

Summary comparison

Product	PFAS grade	Verdict
Fat Daddio's ProSeries Silicone Baking Mat	Good, 65/100	Lower concern, based on available materials and data
Fat Daddio's Silicone Baking Mold	Good, 65/100	Lower concern, based on available materials and data
Fat Daddio's Silicone Hemisphere	Good, 65/100	Lower concern, based on available materials and data
Fat Daddio's Silicone Bakeware Hemisphere 4 oz	Good, 65/100	Lower concern, based on available materials and data
Fat Daddio's Hemisphere Silicone Baking Mold	Good, 65/100	Lower concern, based on available materials and data
Fat Daddio's Silicone Bakeware Hemisphere	Good, 65/100	Lower concern, based on available materials and data
Fat Daddio's Silicone Bakeware Muffin	Good, 65/100	Lower concern, based on available materials and data
Fat Daddio's 4.4oz Cube Silicone Baking Mold	Good, 65/100	Lower concern, based on available materials and data
KitchenAid MIXAID Silicone Bowl Insert Liners, 5 Qt	Good, 65/100	Lower concern, based on available materials and data
KitchenAid Sweet Jojo Designs Silicone Bowl Liners with Lids	Good, 65/100	Lower concern, based on available materials and data
KitchenAid 3 Pack Multicolor Silicone Liners with Lids, 7 Qt	Good, 65/100	Lower concern, based on available materials and data
KitchenAid 9 Inch Round Silicone Baking Mold	Good, 65/100	Lower concern, based on available materials and data

Why PFAS questions even come up with silicone

Food-grade silicone itself is a silicon-oxygen polymer, not a fluoropolymer, so it is chemically distinct from PFAS compounds like PTFE. That said, PFAS-related concerns in the bakeware aisle usually come from two places, cross-contamination risk during manufacturing when the same facilities also produce PTFE-coated goods, and the use of release agents, pigments, or mold-coating sprays that may contain fluorinated additives not disclosed on packaging. Because almost no silicone bakeware brand publishes third-party lab testing for PFAS specifically, grades in this category reflect an estimate built from material composition, manufacturing disclosures, and brand statements rather than a confirmed absence of PFAS. Association between PFAS exposure and health effects reported in scientific literature does not mean causation in any individual product, and our grades should be read as risk estimates, not medical or lab guarantees.

Fat Daddio's silicone lineup

Fat Daddio's is one of the more established names in the molded silicone bakeware space, and the brand's entire reviewed catalog grades identically at 65/100, "Good." That consistency is a point in the brand's favor, it suggests a standardized material supply chain rather than product-by-product variation.

Fat Daddio's ProSeries Silicone Baking Mat

Materials, platinum-cured silicone construction, marketed for use in place of traditional non-stick sheet pans. Brand claims, Fat Daddio's states the mat is food-grade and oven-safe across a wide temperature range. These are brand-stated claims, not independently verified lab results we have on file. Pros, flexible, reusable, reduces reliance on single-use parchment. Cons, like all silicone bakeware in this guide, there's no publicly available third-party PFAS test we could locate, so the "Good" grade reflects material and disclosure estimates rather than a confirmed clean bill.

Fat Daddio's Silicone Baking Mold and Silicone Hemisphere lines

The Fat Daddio's Silicone Baking Mold Fat Daddio's Silicone Hemisphere Silicone Bakeware Hemisphere 4 oz Hemisphere Silicone Baking Mold, and Silicone Bakeware Hemisphere are essentially variations on the same molded hemisphere format aimed at bakers making domes, bombes, and half-sphere desserts. Materials, molded food-grade silicone, generally advertised as BPA-free and non-toxic. Brand claims, Fat Daddio's positions these as safe for freezer, oven, and dishwasher use, but again, these are company statements rather than lab certifications we've reviewed. Pros, consistent grading across the product range suggests the brand uses the same base material formulation throughout, flexible release makes unmolding delicate shapes easier than rigid metal pans, oven-to-freezer range is convenient. Cons, multiple near-identical SKUs make it hard for shoppers to tell which specific mold they're buying, and the repeated grade doesn't mean "verified PFAS-free," it means our model found no red flags in the same recurring material profile.

Fat Daddio's Silicone Bakeware Muffin and 4.4oz Cube Mold

The Silicone Bakeware Muffin mold and the 4.4oz Cube Silicone Baking Mold round out the lineup for everyday muffin, cupcake, and portioned dessert use. Materials and claims mirror the rest of the Fat Daddio's catalog, molded platinum or food-grade silicone, brand-stated food safety compliance. Pros, uniform cavity sizing, easy cleanup, widely stocked at baking supply retailers. Cons, as with the rest of the line, shoppers are relying on brand assurance rather than a published independent assay, so treat the "Good" grade as a lower-concern estimate, not a certification.

KitchenAid-branded silicone liners and molds

The KitchenAid name on these products covers a mix of licensed accessories made for KitchenAid stand mixers and one standalone baking mold. All four reviewed items also land at 65/100, "Good," putting them on the same tier as the Fat Daddio's catalog.

KitchenAid MIXAID Silicone Bowl Insert Liners, 5 Qt

Materials, food-grade silicone liner designed to fit inside KitchenAid tilt-head 5 quart mixer bowls. Brand claims, marketed as a non-slip, easy-release liner that simplifies cleanup after mixing. These are manufacturer claims, not independently verified test results. Pros, purpose-built fit reduces batter waste and bowl scraping, dishwasher-friendly per brand instructions. Cons, this is a third-party licensed accessory rather than a KitchenAid-manufactured product, so sourcing and quality control may vary by production run even though the material grade reads the same as the official product.

KitchenAid Sweet Jojo Designs Silicone Bowl Liners with Lids

Materials, molded silicone liner-and-lid combo sized for KitchenAid mixer bowls. Brand claims, promoted as a storage solution that doubles as a mixing liner, with food-safe silicone construction. Pros, added lid functionality is useful for refrigerating batter or dough between steps. Cons, like the MIXAID liner, this is produced by a third-party accessory brand under the KitchenAid-compatible label, and we found no independent lab verification behind the food-safe claim beyond standard brand assurance.

KitchenAid 3 Pack Multicolor Silicone Liners with Lids, 7 Qt

This 3 Pack Multicolor Silicone Liners with Lids for 7 Qt mixers set targets the larger tilt-head mixer bowls. Materials, same general molded silicone category as the rest of this guide. Brand claims, sold as multi-purpose kitchen helper liners suitable for mixing, proofing, and storage. Pros, multicolor three-pack offers flexibility for batch baking or separating ingredients. Cons, because it's a multi-piece accessory set from a licensed third-party maker, consistency between individual units in the pack isn't independently confirmed in the data we reviewed.

KitchenAid 9 Inch Round Silicone Baking Mold

The KitchenAid 9 Inch Round Silicone Baking Mold is a standalone cake pan alternative rather than a mixer accessory. Materials, molded food-grade silicone round pan. Brand claims, marketed under the KitchenAid kitchen goods line as oven-safe and non-stick by design, without added coatings. Pros, flexible release can reduce the need for parchment or grease in many recipes, round format suits standard layer cakes. Cons, same caveat as the rest of the category, "non-stick by design" through silicone's natural properties is different from a verified PFAS-free certification, and no third-party test result was available in our review.

What to avoid

None of the twelve products graded in this guide carry a "Poor" or "Avoid" rating in our database, but that doesn't mean every silicone mold on the market deserves the same benefit of the doubt. Based on available materials and data, here's what tends to push a silicone bakeware product into higher-concern territory even when it isn't formally graded yet.

• No brand name or traceable manufacturer. Generic marketplace molds with no listed manufacturer, country of origin, or safety documentation are the biggest blind spot in this category. If a product can't tell you who made it, it can't tell you what's in it.
• Vague "food-grade" language with no supporting detail. A label that says "100% food-grade silicone" with no mention of testing standards, lead and cadmium limits, or FDA/LFGB compliance is a marketing phrase, not a specification.
• Strong chemical odor out of the box. A persistent plastic or rubber smell after multiple washes can indicate incomplete curing or filler additives, which is a quality flag even if it isn't a confirmed PFAS issue.
• Pans that discolor, bleed color, or feel greasy. These are signs of low-grade silicone blended with fillers, and while that's not proof of PFAS presence, it does undermine confidence in any "safe" marketing claim.
• Non-stick metal bakeware marketed alongside silicone lines. If you're specifically trying to avoid PFAS-coated cookware, check our non-stick baking molds guide and broader cookware roundup before assuming a brand's entire catalog follows the same material standard as its silicone products.

Our pick

Based on available materials and data, the Fat Daddio's ProSeries Silicone Baking Mat is our top recommendation for shoppers who want the most broadly useful piece in this lower-concern tier, simply because a flat baking mat has more everyday utility than a single-shape mold. For bakers who need specific shapes, the rest of the Fat Daddio's silicone mold lineup grades identically, so the decision comes down to shape and size rather than material confidence. For stand mixer owners, the KitchenAid MIXAID Silicone Bowl Insert Liners and the standalone KitchenAid 9 Inch Round Silicone Baking Mold sit in the same 65/100 tier and are reasonable choices if you specifically want KitchenAid-branded accessories.

No product in this guide has been confirmed through independent lab testing as free of PFAS, and no claim here should be read as a safety guarantee. A "Good" grade means our model found no evidence of PFAS in the reviewed sources for that product's material profile and disclosure record, not that the product has been certified clean. If you want to compare across more kitchen categories at once, our product finder lets you search by category and grade, and our non-stick baking molds and cookware roundups are useful next stops if silicone isn't the only material you're trying to vet in your kitchen.

Frequently asked questions

Does silicone bakeware actually contain PFAS?

Pure food-grade silicone is a silicon-based polymer, not a fluoropolymer, so it is not PFAS by definition. The concern in this category is usually about additives, release agents, or manufacturing cross-contamination rather than the base silicone itself. Based on available materials and data, we found no evidence of PFAS in the reviewed sources for any of the twelve products in this guide, but that reflects the information available, not an independent lab confirmation.

Why do all the graded products in this guide have the same score?

Fat Daddio's and KitchenAid's reviewed silicone lines use consistent material formulations across their respective product ranges, which is why each line scores identically at 65/100 in our model. A repeated score across a brand's catalog generally indicates a standardized supply chain rather than product-specific testing differences, and it should be read as a consistent estimate, not twelve separate lab verifications.

Is a "Good" grade the same as a guarantee the product is safe?

No. "Good" in our system means lower concern based on available materials and public disclosure, not a certified safety claim. We avoid saying any product "is safe" or "is PFAS-free" because grading is a model-based estimate from materials and disclosure, not a lab test. Any reported health associations with PFAS exposure in broader scientific literature reflect correlation, not proven causation for a specific individual product.