Current location:Home > Business scope > Physical and chemical testing > FDA
Worldtest(GuangDong)Co., Ltd.
Address: Rooms 201 and 102,Building 6,No.6,North Industrial Road.Songshan Lake(SSL), Dongguan, Guangdong, China
Telphone::0769-22891258
FaX:0769-22891235
Emaile:service.vip@worldtest.cn
Website:www.worldtest.cn
www.worldtest.com.cn
Material |
Test requirements |
Test standard |
Polypropylene (PP) |
n-hexane extract, xylene extract, melting point, density |
21CFR177.1520 |
Polyethylene (PE) |
n-hexane extract, xylene extract, density |
21CFR177.1520 |
Rubber (SBS, TPR, TPE), Silicone and other elastomers |
n-hexane extract, water extract |
21CFR177.2600 |
Polycarbonate (PC) |
Water extract, 50% ethanol extract, n-heptane extract |
21CFR177.1580 |
Polystyrene (PS) |
styrene monomer content |
21CFR177.1640 |
Styrene segmented polymer |
Water extract, 50% ethanol extract |
21CFR177.1810 |
Acrylonitrile copolymers and resins |
The migration amount of residual acrylonitrile monomer in water, 3% acetic acid or 50% ethanol, n-heptane |
21CFR181.32 |
Sealing rings and gaskets for food containers |
Chloroform soluble matter in water, 8% alcohol, n-heptane extract |
21CFR177.1210 |
Resin and polymer coating |
Water, 8% alcohol, n-heptane extracts |
21CFR175.300 |
Melamine resin |
Chloroform soluble matter in water, 8% alcohol, n-heptane extract |
21CFR177.1460 |
Nylon |
Density, melting point, solubility in boiling hydrochloric acid, water extract, 95% ethanol extract, ethyl acetate extract, extraction in toluene (benzene) Extract |
21CFR177.1500 |
Polyoxymethylene (POM) |
Water extract, n-heptane extract |
21CFR177.2470 |
Polysulfone resin |
Water extract, 3% acetic acid extract, 50% ethanol extract, n-heptane extract |
21CFR177.1655 |
Polyester resin |
Water, chloroform solubles in 8%, 50% ethanol extracts, n-heptane extracts |
21CFR177.2420 |
Vinyl acetate copolymer |
Water, 8%, 50% ethanol, n-heptane extract |
21CFR177.1350 |
Polyethylene terephthalate (PET) |
Water, 50% ethanol, chloroform solubles in n-heptane extract |
21CFR177.1630 |
Acrylic |
Water, 8%, 50% ethanol, n-heptane extract, potassium permanganate oxidizable extract solution absorbance, water, 8%, 50% ethanol, UV absorbance of n-heptane extract |
21CFR177.1010 |
Paper and cardboard |
Water, 8% ethanol, n-heptane extract |
21CFR176.170 |
Ceramic products |
Dissolution of lead and cadmium |
FDA CPG7117.06.0/A.O.A.C 15th.Ed.(973.32) |
Silver plated tableware |
Dissolution of lead |
FDA CPG 7117.05 |
Cup side test |
Dissolution of lead and cadmium |
U.S.SGCD&CSC ASTM C-927(Rim Area) |
The food-contact part of the ceramic and glass container |
The amount of lead and cadmium dissolved or the amount of lead and cadmium wiped migration |
California 65 |
Exterior decoration part of ceramic and glass products |
The amount of lead and cadmium dissolved or the amount of lead and cadmium wiped migration |
California 65 |