T/CNFPIA 3022-2022 Unlacquered wooden door
T/CNFPIA 3022-2022 Unlacquered wooden door
Basic Information
Scope
Scope: This document specifies the terms and definitions, technical requirements, inspection methods, inspection rules, and requirements for marking, packaging, transportation, and storage of unpainted wooden doors. This document applies to unpainted wooden doors. Main technical content: 4. Technical requirements 4.1 Materials and auxiliary materials 4.1.1 Materials used for door panels and door frames shall comply with the provisions of relevant national standards, industry standards, or group standards. The decorative materials used, such as polyvinyl chloride (PVC), shall meet the product quality requirements of GB/T 3830-2008 for printed films; polypropylene (PP) shall meet the product quality requirements of GB/T 10003-2008 for heat-sealed products; polyethylene (PE) shall meet the product quality requirements of GB/T 4456-2008; and polyethylene terephthalate (PET) shall meet the product quality requirements of QB/T5076-2017. The sources of the wooden raw materials used shall comply with relevant national laws and regulations. The quality of auxiliary materials such as hinges, screws, door latches, door clasps, door closers, locks, hardware, connectors, and sealing strips shall comply with the provisions of relevant national or industry standards. 4.2 Dimensions and tolerances 4.2.1 Dimensions of door panels and door frames The dimensions of door panels and door frames can be determined based on the dimensions of the door opening, the structure of the door frame, and the installation gap. 4.2.2 Thickness of door panels The conventional thicknesses of door panels are 35mm, 38mm, 40mm, 45mm, 50mm, 55mm, and 60mm. Other thicknesses can also be produced upon negotiation between the supplier and the buyer. 4.2.3 Thickness of door frames The thickness of door frames shall be determined according to the design requirements. The thickness at the connection point of the door frame with ordinary hinges shall not be less than 22mm, and the thicknes