There are many different types of cups, including stainless steel thermos, plastic water cups and glass cups. The materials of plastic water cups are divided into: PP, PE, PC, PS, acrylic. All drinking glasses to be exported to the United States must be FDA tested. In the process of processing, transporting and using cups, substances that are harmful to the body are likely to be precipitated. The European Union and the United States have very strict control over food contact products. The cups must be tested by the FDA to prove that they are safe before they can be sold in the US market.

There are many items that need to be done for FDA certification of stainless steel metal cups , mainly including metal (general requirements), total chromium (stainless steel material), of which metals (general requirements) include water extract, n-heptane extract, 8% Ethanol extract ; and total chromium (stainless steel) is regulated as the General Recognized AsSafe.

Cups listed on Amazon US FDA food contact testing requirements :

1 Resin and Polymer Coatings US FDA 21 CFR US FDA 21 CFR Chloroform Soluble Extract 3 Mimics

2 Paper and cardboard US FDA 21 CFR US FDA 21 CFR chloroform soluble extract 4 simulants 3 Food container seals and gaskets US FDA 21 CFR US FDA 21 CFR oxyform soluble extract 3 simulants

4 Acrylic and Modified Acrylic Plastics/Acrylic (PMM) US FDA 21 CFR US FDA 21CFR 4 simulants of oxyform soluble extract ; 3 simulants of potassium permanganate oxidizable ; 4 simulants of UV absorption -water

5 Ethylene-vinyl acetate copolymer (EVA US FDA 21 CFR US FDA 21CFR oxyform soluble extract 4 kinds of simulants

6 Melamine-formaldehyde resin / melamine / melamine / imitation porcelain (MF/Melamine) US FDA 21 CFR US FDA 21CFR chloroform soluble extract 3 kinds of simulants

7 Nylon resin PA US FDA 21 CFR ASTM D1505-10 Density ASTM D2117-82 Melting point US FDA 21CFR LHCI Solubility US FDA 21 Extract 4 simulants

FDA testing process for Amazon water cups / cups :

1. Fill in the application form,

2. Provide product information,

3. Send samples,

4. Test OK,

5. Issue report/certificate

6. Test cycle 5-7 working days