This standard specifies the terminologies and definitions, classification, requirements, test methods, inspection rules, marking, operation instructions, packaging, transportation and storage of WC seats and covers.
This standard is applicable to the WC seats and covers which are made of such materials as plastic, wood, composite material and resin and are installed on the use surface of water closet for the purpose of comfort, sanitation and esthetic appearance.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated reference, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the document referred to applies.
GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)
GB/T 4892 Dimensions of Rigid Rectangular Packages - Transport Packages
GB/T 8388 Transport Package Shipping Mark
GB/T 6461 Methods for Corrosion Testing of Metallic and Other Inorganic Coatings on Metallic Substrates - Rating of Test Specimens and Manufactured Articles Subjected to Corrosion Tests
GB/T 6739 Paints and Varnishes - Determination of Film Hardness by Pencil Test
GB/T 9286 Paints and Varnishes - Cross Cut Test for Films
GB/T 10125 Corrosion Tests in Artificial Atmospheres - Salt Spray Test
3 Terminologies and Definitions
For the purpose of this standard, the following terminologies and definitions apply
