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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9989.5-2015 |
Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 5: Determination of resistance to chemical corrosion in closed systems 搪瓷耐化学侵蚀的测定 第5部分：在封闭系统中耐化学侵蚀的测定 |
China National Standards enamels—Determination |
 English PDF |
| GB/T 9989.4-2015 |
Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel 搪瓷耐化学侵蚀的测定 第4部分：用圆柱形容器进行耐碱溶液侵蚀的测定 |
China National Standards enamels—Determination |
English PDF |
| GB/T 9989.3-2015 |
Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 3: Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel 搪瓷耐化学侵蚀的测定 第3部分：用六角形容器进行耐碱溶液侵蚀的测定 |
China National Standards enamels—Determination |
English PDF |
| GB/T 9989.2-2015 |
Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 2: Determination of resistance to chemical corrosion by boiling acids, boiling neutral liquids and/or their vapours 搪瓷耐化学侵蚀的测定 第2部分：耐沸腾酸、沸腾中性液体及其蒸气化学侵蚀的测定 |
China National Standards enamels—Determination |
English PDF |
| GB/T 9989.1-2015 |
Vitreous and porcelain enamels—Determination of resistance to chemical corrosion—Part 1: Determination of resistance to chemical corrosion by acids at room temperature 搪瓷耐化学侵蚀的测定 第1部分：室温下耐酸侵蚀的测定 |
China National Standards enamels—Determination |
English PDF |
| GB/T 31565-2015 |
Vitreous ang porcelain enamels—Determination of the edge covering on enamelled steel plate to be used in heat exchangers 热交换器用钢板搪瓷边缘覆盖率的测定 |
China National Standards enamels—Determination |
English PDF |
| GB/T 30199-2013 |
Vitreous and porcelain enamels—Determination of scratch resistance of enamel finishes 搪玻璃层抗划伤性能的测定 |
China National Standards enamels—Determination |
English PDF |
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