GB27599-2011

Titanium dioxide for cosmetic use

化妆品用二氧化钛

GB 27599-2011 é uma norma nacional chinesa obrigatória vigente: Titanium dioxide for cosmetic use. Setor: Químicos. Foco: Segurança de produtos. Entrada em vigor: 1 de ago. de 2012.

A aplicabilidade depende do escopo do produto, da via de certificação, dos avisos da autoridade competente e das regras de transição. Solicite uma tradução ou verifique a fonte antes de usar este registro em uma decisão de conformidade.

Visão geral de conformidade

Esta visão geral está disponível por enquanto apenas em inglês.

Escopo e aplicabilidade

This standard applies to titanium dioxide powder primarily used as a raw material in the cosmetics industry. It covers classification, requirements, testing methods, and labeling for both uncoated and surface-treated variants. It is not applicable to titanium dioxide intended for industrial or food additive applications, as it specifically addresses cosmetic-grade safety and performance parameters.

Requisitos técnicos

The standard categorizes titanium dioxide into two main classes: Class I (uncoated) and Class II (surface-treated), which are further divided into anatase (A), rutile (R), and nano-rutile (NR) types. It specifies mandatory limits for critical safety parameters, including heavy metals, arsenic, lead, and mercury, ensuring the material is safe for cosmetic application. Compliance with these heavy metal limits is strictly enforced for all manufacturers. Additionally, the standard outlines physical and chemical requirements such as TiO2 content, loss on drying, loss on ignition, pH value, and whiteness. For nano-rutile types, it introduces specific parameters like average grain size and ultraviolet transmittance, which are critical for sunscreen formulations. The standard also mandates clear labeling of surface treatment agents used in Class II products to ensure full transparency for formulators.

Métodos de ensaio

Testing procedures include visual inspection for appearance and X-ray diffraction for crystal phase identification (anatase vs. rutile). Chemical content is determined via an aluminum reduction method, referencing GB/T 1706-2006. Heavy metals, arsenic, lead, and mercury are tested using colorimetric and atomic absorption methods, referencing GB/T 5009.74-2003 and GB/T 7917 series. Physical properties like whiteness are measured using a whiteness meter, while average grain size for nano-particles is evaluated via X-ray diffraction referencing GB/T 19591-2004.

Perguntas frequentes

What products are regulated under GB 27599-2011?

GB 27599-2011 regulates titanium dioxide powder specifically used as a raw material in cosmetics. It covers both uncoated (Class I) and surface-treated (Class II) variants, including nano-rutile types used for UV protection.

Are the heavy metal limits in GB 27599-2011 mandatory?

Yes. The limits for heavy metals, arsenic, lead, and mercury are mandatory requirements under this standard. Manufacturers must strictly comply with these safety thresholds to sell cosmetic-grade titanium dioxide in China.

How does GB 27599-2011 address nano-scale titanium dioxide?

The standard includes a specific category for nano-rutile type (NR) under Class II. It sets distinct requirements for these products, including limits on average grain size (≤100 nm) and protocols for measuring ultraviolet transmittance, which are essential for sunscreen applications.

The summary above provides a high-level overview of GB 27599-2011. To ensure complete compliance for your products entering the Chinese market, a precise and professional translation of the full technical specifications is essential. Purchase our high-quality English translation of GB 27599-2011 today to access all detailed parameters, tables, and testing procedures.

Indicações de aplicabilidade

Tipo: Produto
CCS: G13
ICS: 71.060.20
Órgão competente: National Medical Products Administration
Comitê técnico: National Medical Products Administration