Honma · Golf Balls & Equipment
Honma Tw-x Yellow Golf Balls
Unknown coating composition. No PFAS disclosure from Honma.
Ionomer resin core and synthetic polymer cover use standard materials. Honma provides no public PFAS safety data on coating composition.
The better-graded swap
Vice Golf
Vice Drip Golf Balls
85/100 safety
Same rubric that flunked this product. The swap earned Excellent.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Ionomer resin core, synthetic rubber/polymer cover
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Unknown / proprietary coating
A coating is recorded with no disclosed chemistry.
Heavy metals
The yellow finish on the TW-X cover likely contains inorganic pigments (e.g., cadmium sulfide, iron oxides) or organic dyes. No safety data sheet is available. Risk is negligible during play but possible if balls are chewed or sucked (primarily a child ingestion concern) or if coating flakes are inhaled in enclosed spaces.
Source, FDA ↗Volatile organic compound (VOC) off-gassing from cover and adhesives
New golf balls may emit trace VOCs during the first weeks of storage if manufacturing adhesives or solvents remain in the polymer matrix. Odor is typically absent or faint with premium balls. Proper ventilation during storage mitigates any concern; risk is not documented for Honma specifically but is generic to molded polymer sports goods.
What’s reassuring
Ionomer resin core degradation and microparticle shedding
Ionomer is thermally stable and does not off-gas or leach during normal ambient storage or play. No published evidence of ionomer core shedding or microplastic generation in golf balls has been found. Degradation would only occur under extreme heat (>80 degrees Celsius), well beyond typical use scenarios.
The full breakdown
What it's made of and why it matters
Honma TW-X balls use an ionomer resin core (a thermoplastic polymer) wrapped in a synthetic rubber or polymer cover, standard for premium golf balls. Ionomer is a chemically inert, durable material chosen for resilience and ball flight characteristics rather than cost. The cover material is molded to form dimples and painted with the yellow finish. These materials are not designed for skin contact during extended periods and are not ingested, so material leaching is a secondary concern compared to food-contact or textile products.
The brand's record and disclosure
Honma is a Japanese golf equipment manufacturer with no publicly documented chemical disclosure program, safety certifications (e.g., ISO 14001), or known product recalls tied to material hazards. The company's PFAS stance is silent, and coating composition for the TW-X yellow finish has not been disclosed to consumers or regulatory bodies. This is typical for the golf ball industry, where regulatory oversight is minimal compared to food, apparel, or cosmetics.
How it compares in its category
Golf balls are not subject to FDA or consumer product safety rules in most jurisdictions because they are sports equipment, not food-contact or skin-intimate goods. Major competitors (Titleist, Callaway, TaylorMade) similarly publish no material safety data sheets or PFAS information. The Honma TW-X sits in the middle-to-premium price tier and is chemically comparable to peer products; no competitive advantage or disadvantage in transparency exists.
If you buy it
Store golf balls at room temperature and avoid prolonged direct sunlight, which can degrade polymer coatings over years of storage. Wash your hands after play if you have sensitive skin, as paint pigments and cover additives may irritate open wounds or eczema. Replace balls when the cover becomes visibly cracked or when dimple texture degrades, typically after 50-100 rounds of play depending on course roughness. No special maintenance is required; standard play does not generate fume or leaching risk.
What we don’t know
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Honma has made none
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Golf Balls & Equipment
Vice Golf
Vice Drip Golf Balls
synthetic polymer core with urethane/elastomer cover
PFAS unlikely. Brand silent on composition details.
⚠Brand says nothing about PFAS
Bridgestone
Men's Pair Golf Gloves
Leather, synthetic leather, or textile blend
Chromium in leather tanning residue
Limited concern
Azo dyes in colored leather or synthetic components
Limited concern
Heavy metals
Limited concern
Lower PFAS concern, but brand provides no transparency.
⚠Brand says nothing about PFAS
Bridgestone
Lady Golf Glove
Synthetic leather or leather with standard stitching
Formaldehyde / VOCs
Limited concern
Microplastic shedding from synthetic leather
Limited concern
Golf glove with typical materials, lower concern profile.
⚠Brand says nothing about PFAS
More golf balls & equipment 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.