Manufacturing Process of Porcelain Enamel Panel
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Quality Control
International Standards
BS EN ISO Standards and Test Results
TEST STANDARD | TEST RESULT | |
|---|---|---|
1 | BS 1344 Part 1 Resistance to Thermal Shock | Yes |
2 | BS 1344 Part 2 Resistance to Citric Acid | Class AA |
3 | BS 1344 Part 3 Resistance to Sulphuric Acid | Class A |
4 | BS 1344 Part 4 Resistance to Abrasion | Loss of weight (mg/mins): 0.07 |
5 | BS 1344 Part 5 Resistance to Hot Detergent Solution | Yes |
6 | BS 1344 Part 6 Resistance to Alkali | Yes |
7 | BS 1344 Part 7 Resistance to Heat | Yes |
8 | BS 1344 Part 8 Resistance to Boiling Citric Acid | g/m² = 15.1 |
9 | BS 1344 Part 17 Resistance to Hot Sodium Hydroxide Solution | V24 = 0.42 |
10 | BS 476 Part 4 Non-Combustibility Test | Non-combustible |
11 | BS 476 Part 6 Fire Propagation Test | Fire Propagation Index = 0.0 |
12 | BS 476 Part 7 Spread of Flame Test | Classification: Class One |
13 | BS EN 10209 Annex D - Adherence Level of Enamel Applied to a Steel Sheet | Class 1 |
14 | BS EN 14483 Part 2 Clause 10 - Resistance to Chemical Corrosion by Boiling Citric Acid | 1.2 g/m². No unusual feature was observed after test. |
15 | BS EN ISO 28706 Part 1 Clause 9 - Resistance to Chemical Corrosion by Citric Acid Test at Room Temperature | Class AA. No visible defect. |
16 | BS EN ISO 28706 Part 1 Clause 10 - Resistance to Chemical Corrosion by Sulfuric Acid Test at Room Temperature | Class AA. No visible defect. |
17 | BS EN ISO 28706 Part 3 - Resistance to Chemical Corrosion by Alkaline Liquids | 6.46 g/m². No damage was observed. |
18 | BS EN ISO 28722 Clause 5.2 and BS EN ISO 8289 Method A - Porosity Test | 0 Pore/m² |
19 | BS EN ISO 28722 Clause 5.3 - Abrasion Resistance | 0.06 g |
20 | BS EN ISO 28722 Clause 5.4 and ISO 4532 - Resistance of Enameled Articles to Impact - Pistol | No damage over 2mm in diameter after 24 hours. |
21 | BS EN ISO 28722 Clause 5.5 and EN 101 - Scratch Hardness of Surface According to Mohs | Mohs Hardness Scale: 5 |
22 | BS EN ISO 28722 Clause 5.6 and ISO 15695 - Scratch Resistance of Enamel Finishes | 7 N(Newtons) |
23 | BS 3900 Part F4 - Resistance to Continuous Salt Spray | No discernible change |
ASTM Standards and Test Results
TEST STANDARD | TEST RESULT | |
|---|---|---|
1 | ASTM B117 Salt Spray Test for 1000 hrs | No blistering nor rusting |
2 | ASTM C365 Compressive Strength Before and After Laboratory Aging | Before: 101.02 MPa; After: 101.02 MPa |
3 | ASTM C481 Laboratory Aging of Sandwich Constructions | Slightly Yellowish but not obvious compare with the sample before aging process |
4 | ASTM C538 Color Retention of Red, Orange, and Yellow Porcelain Enamels | Pass. No darkening of the treated area. |
CNS Standards and Test Results
TEST STANDARD | TEST RESULT | |
|---|---|---|
1 | CNS 12810 Plane Surface | 0.06% |
2 | CNS 12810 Salt Water Resistance | No rusted |
3 | CNS 12810 Impact Resistance | No peeling and crack |
4 | CNS 12810 Acid Resistance | Grade AA |
5 | CNS 12810 Compressive Strength | 18114.5 kgf/m² |
6 | CNS 6532 Incombustibility Test | Grade One |
7 | CNS 10631 Mohs' Scale of Hardness | 5 |
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