Subminimal Food Safety & Material Certifications Guide

At Subminimal, performance and peace of mind go hand in hand. Across the product lineup, materials are selected to support durability, heat resistance, and food-contact safety, while maintaining compliance with major international standards.

1. Bisphenols & Chemical Safety

Subminimal states that all milk-contact components across its products are free from intentionally added bisphenols, including BPA, BPS, and BPF. The company also notes that its food-contact components do not contain PFAS, PFOA, PTFE, or flame retardants.

To support consistency and safety, Subminimal uses 100% virgin Eastman Tritan™ instead of recycled plastics such as Tritan Renew. According to the provided information, this choice is made to preserve clarity, maintain stable material properties, and avoid concerns associated with recycled-content variability.

2. Mechanical Design & Microplastics Prevention

Subminimal highlights careful engineering tolerances in the rotating components of its devices, including the POM impeller and the Tritan/POM NanoScreen ring. These parts are designed with precise clearance to reduce unnecessary friction during normal use.

When used as directed, the company says the components do not experience plastic-on-plastic wear under normal operation, helping prevent mechanical breakdown and the shedding of microplastic particles.

3. Product-by-Product Material Breakdown

Below is a summary of the materials and compliance-related details provided for key Subminimal products.

NanoFoamer Lithium & V2

• Impeller: Food-grade POM / Tritan-related components

• NanoScreen Ring: Food-grade Tritan / POM

• NanoScreen Mesh: 304 stainless steel

• Shaft & Cap: 304 stainless steel

• Shaft Connector: POM

NanoFoamer PRO (Gen-1 & Gen-2)

• Impeller: Food-grade POM

• NanoScreen Mesh & related parts: 304 stainless steel

• Flow Controllers: Food-grade silicone

• Jug Interior: Stainless steel 202 with protective lining/coating details as specified by the manufacturer

• Jug Exterior: 201 stainless steel

FlowTip Milk Jug

• Jug: 100% 304 stainless steel

SubScale

• Body: BPA-free Tritan, designed for heat resistance

Flick WDT Tool

• Needles: 304 stainless steel

4. International Testing & Certifications

According to the provided guide, Subminimal products have been independently tested by Intertek to comply with food-contact safety regulations across multiple regions, including the US, EU, Japan, South Korea, China, and Australia.

The materials and products are described as compliant with US FDA and EU food safety requirements. In addition, the NanoFoamer PRO is stated to be ETL-certified for North American electrical safety under UL 1082 / CSA C22.2.

Why These Standards Matter

For users, these material and certification claims matter because they help address the most common concerns around kitchen tools and milk-frothing devices:

• Food-contact safety: Materials in contact with beverages are selected to meet recognized regulatory standards.

• Chemical transparency: Bisphenol-free and PFAS-free claims help reduce concern about unwanted chemical migration.

• Durability: Stainless steel, silicone, Tritan, and POM are chosen for functional resilience and repeated use.

• Design quality: Precision engineering helps reduce wear and prolong product life.