T/KLCA CA01-2021 Active Group standards

T/KLCA CA01-2021 No English translation available

Publish Date: 2021-08-20 Implement Date: 2022-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/KLCA CA01-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Ceramic products

Publish Date: 2021-08-20

Implement Date: 2022-01-01

Scope

Scope: This document specifies the terms and definitions of Liao Hu pottery, product classification, raw material requirements, production process, quality requirements, inspection methods, inspection rules, and packaging, marking, transportation, and storage. Main technical content: 1. Ingredients: (1) Clay: The main raw materials are natural clay such as Huang Hong soil, Bai Guoqing, Jin Gang clay, Dou Ban soil, Da Bai soil, and Bazi clay from Qujing City. According to the different requirements for clay of Liao Hu pottery products, the clay is either used alone or mixed with various raw materials in proportion for preparation. (2) Glaze: The raw materials are natural glazes from Qujing City. They can be used alone, or to enhance the adhesion between the blank and glaze, the glaze is mainly based on natural raw materials, and a reasonable proportion of feldspar, quartz, kaolin, calcite, dolomite, etc. are added. In addition, to obtain the characteristic high-temperature art glaze effect, natural metal minerals or metal oxides purified from natural metal minerals can also be added in reasonable proportions. 2. Mud and glaze preparation: (1) The prepared raw materials are ground and mixed with water, filtered, and sieved to make mud. After dehydration, the mud is made into pottery clay with a water content of 20%-28%. Note: The injection-molded products directly use the mud. (2) The prepared glaze is ground, filtered, and mixed to make the required glaze. 3. Aging of clay: After initial kneading, the clay is stored in a sealed environment for at least half a month. Note: The injection-molded clay is directly stored and aged. 4. Vacuum kneading: According to the different molding methods of Liao Hu pottery products, the required clay segments are prepared by vacuum kneading. 5. Blank making: According to the requirements of different Liao Hu pottery products or customer requirements, the blanks are made by hand-pulling, hand-patting,