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GB/T 7991.1-2021 (31.12.2021)

GB/T 7991.1-2021 (31/12/2021)

Test method of viterous and porcelain enamels—Part 1Determination of resistance to alkaline liquids

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 335.50 EUR more info
GB/T 7991.10-2024 (29.9.2024)

GB/T 7991.10-2024 (29/09/2024)

Test method of viterous and porcelain enamels—Part 10Determination of dissolution of heavy metal ions from enamelled articles used for preparation and storage of food and limits

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 389.80 EUR more info
GB/T 7991.3-2021 (31.12.2021)

GB/T 7991.3-2021 (31/12/2021)

Test method of viterous and porcelain enamels—Part 3Determination of resistance to thermal shock

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 248.70 EUR more info
GB/T 7991.4-2019 (10.12.2019)

GB/T 7991.4-2019 (10/12/2019)

Test method of viterous and porcelain enamels—Part 4Determination of resistance to impact

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 108.60 EUR more info
GB/T 7991.5-2014 (5.12.2014)

GB/T 7991.5-2014 (05/12/2014)

Test method of viterous and porcelain enamels—Part 5Determination of thickness by electromagnetic mothod

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 183.50 EUR more info
GB/T 7991.6-2025 (29.8.2025)

GB/T 7991.6-2025 (29/08/2025)

Test method of viterous and porcelain enamels—Part 6High voltage test

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 216.10 EUR more info
GB/T 7991.7-2019 (10.12.2019)

GB/T 7991.7-2019 (10/12/2019)

Test method of viterous and porcelain enamels—Part 7Determination of coefficient of mean lincar thermal expansion

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 216.10 EUR more info
GB/T 7991.9-2014 (5.12.2014)

GB/T 7991.9-2014 (05/12/2014)

Test method of vitreous and porcelain enamelsPart 9: Determination of adhesion tensile strength

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 205.20 EUR more info
GB/T 7994.1-2014 (5.12.2014)

GB/T 7994.1-2014 (05/12/2014)

Test method of glass-lined equipments—Part 1: Hydraulic pressure test

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 86.90 EUR more info
GB/T 7994.2-2014 (5.12.2014)

GB/T 7994.2-2014 (05/12/2014)

Test method of glass-lined equipmentsPart 2: Gas leak test

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 86.90 EUR more info
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