The Sony Technical Standard SS‑00259 defines the scope, purpose, and management standards for environment‑related substances to be controlled in parts, materials, and products. It specifies which substances are banned, phased‑out, or exempted, and sets objectives such as compliance with laws, reduction of ecological impact, and preservation of the global environment.
The document details applicable parts and materials, measurement and pre‑conditioning methods, allowable concentrations, and effective dates for bans. It also provides tables of controlled substances, target materials, and exemption criteria to guide suppliers and manufacturers in meeting Sony’s environmental requirements.
| Allowable concentration for cadmium in plastics | Less than 5 ppm |
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Cadmium and cadmium compounds, Lead and lead compounds, Mercury and mercury compounds, and Hexavalent chromium compounds are listed as controlled heavy metals.