GB/T 26988-2011Marks for recoverability of automobile parts (English PDF)

3.1 Metallic materials

The general name for the materials which consist of metallic elements or mainly consist of metallic elements and have metal properties, including ferrous metals and non-ferrous metals. It can be summarized as the following categories.

3.2 Non-metallic materials

Materials which mainly consist of non-metallic elements or nonmetallic compound. They can be mainly classified as. plastic, rubber, fabric, leather, glass, ceramic and friction-materials, etc.

3.3 Composite materials

New type materials which consist of metallic materials and/or non-metallic materials combined through composite technology. They not only have the main features of original components but also obtain through composite effect the properties which are not had by original components.

3.4 Parts

Units which consist of pure material, material of the same kind or different materials as a whole and are difficulty to be separated, or structural units which consist of several units of this kind.

3.5 Marks for recoverability of automobile parts

Marks which are used by auto manufacturers, customers, recycling personnel, disposers and used to indicate recoverability of automobile parts. They include relevant information of the materials composition of parts.

4.1 Marking scope

4.1.1 Metallic parts

For metallic materials are considered to have full recoverability, therefore, metallic parts can be exempted from being labeled with marks for recoverability.

4.1.4 Other general stipulations

One-mark can be used by the parts which can be further dismantled and is made of material of the same kind.

Electronic and electric parts (e.g. wiring harness) having independent function can be exempted from marking, however, it shall be explained in manufacturers' public technical documents of products.

4.2 Format and content of marks

4.2.1 Format and composition of marks

Mark for recoverability of automobile parts are shown in Figure 1. Mark consists of two parts - triangle recycling symbol and material mark.

4.2.2 Material mark

4.3 Position and dimension of marks

Marks shall be located at position convenient for reading after the part is dismantled; the position of marks must not affect the use of part and normal function of part. Marks shall be ensured not to be damaged after part maintenance; the marks on replacing part shall be intact when replacement is carried out.

4.3.2 Dimension of marks

Proper specification shall be selected for marks according to size of parts. If marks are required to be shrunk or enlarged, then proportional shrinking and enlarging shall be carried out; the area shall be no lower than 25mm²; the height of words, numbers and letters used in marks shall be no lower than 2mm.

4.4 Marking methods

Marks shall be clear and visible, and convenient for recognition. Marks shall be firm and difficult to be replaced. Any of the following methods can be used for marking. […]