Product application engineering project
Urumqi Metro One Line
Waterborne exterior paint
In the application of subway trains, Shenzhen STG Technology Co., Ltd. specializes in producing Curtain Wall Self-Cleaning Paint,Fire retardant paint,Motorcycle temperature-resistant fire-retardant paint, Curtain wall water-based ceramic coating,Water based fire retardant coating. And other paint products, because professional and trustworthy!
| Product parameters | ||
| Item | General Standard | Notes |
| Packaging composition | A, B, C three components | A liquid: B liquid: C liquid =66 %: 33%: 1% (wt%) |
| packaging unit | 7.5Kg/group | where A: 4.95Kg/bucket , B: 2.475Kg/barrel, C: 0.075Kg/barrel |
| Appearance | A, colored liquid | |
| B, transparent liquid | ||
| C, transparent liquid | ||
| Film composition | SiO2, Al2O3, others | depending on color |
| specific gravity (g/cm³), 25℃ | 1.40-1.60 | The color of liquid A is slightly different |
| 0.93-0.97 | Liquid B | |
| 1.04-1.08 | Liquid C | |
| 1.30-1.50 | A+B+C mixture, curing liquid , different colors will be slightly different | |
| Viscosity (sec) Apply 4 cups, 25°C | 11~15 | A+B+C mixture, curing liquid |
| Solid Content (N.V%) | 53-58% | 200℃ for 1 hour |
| Valid Date | three months | Before blending, 5-25℃ |
| two days | {A+B+C}Liquid, cured liquid, 4-8℃ | |
| Coating area (m²/kg ) | 2.0-4.0 | For normal spray gun, the coating efficiency is 50% (depending on film degree) |
| Wash solvent | Water, Alcohol, Isopropyl Alcohol or any of them Proportions of the mixture | For cleaning containers, spray guns or related equipment |
| Gloss (60℃, %) | 50±10 | Depending on the substrate, film thickness and conditions different |
| Film thickness (μm) | 45±10 | Depends on the substrate and conditions used |
| Membrane Properties | ||||
| Take a locomotive interior panel as an example | ||||
| Experimental itemItems | Test method | results | Test organization and report code | |
| Hazardous Substances Detection | heavy metal content | TBT3139-2006 | ND | SGS, report code: SHANGI404437802 |
| benzene, toluene, xylene content | ND | |||
| toluene diisocyanate Content | ND | |||
| Adhesion | use a 2mm blade to draw a checkerboard, Apply the tape for 90±30 seconds, hold the free end of the tape, and peel off the tape quickly (not bumpy) at 180 degrees as close as possible | 4B | Wuxi Kerui testing service is limited Company WX140403-001-04 | |
| Pencil Hardness | Mitsubishi pencil, at 0.5mm/s-1mm /s speed, push at least 7mm distance, repeat the test 3 times | 8H-9H | Wuxi Kerui testing service is limited Company WX140403-001-05 | |
| Moisture Test | Temperature: 50℃. Humidity: 95%Rh. Time: 1000h | After the test, there is no abnormality on the surface of the sample | Wuxi Kerui testing service is limited Company WX140403-001-10 | |
| Boiling water test | Boil temperature:98±2℃, soaking Time: 4h | After the test, the surface of the sample None Any exception | Wuxi Kerui testing service is limited Company WX140403-001-11 | |
| Oil resistance test | Oil pens (red, black, blue), Mark with water-based pen, wipe with solvent after 24h | After the test, the surface of the sample None Any exception | Wuxi Kerui testing service is limited Company WX140403-001-12 | |
| Acid-resistant acid Sex | HCI resistant | 5% hydrochloric acid solution/24hrs | After the test, the surface of the sample None Any changes | Wuxi Kerui testing service is limited Company WX140403-001-13 |
| Sulfuric acid resistance | 5% sulphuric acid solution/25hrs | |||
| Acetic acid resistant | 5% acetic acid dip/26hrs | |||
| Alkali resistant Sex | Na2CO3 resistant | Solvent: Na2CO3, Concentration: 5%, Temperature : 25°C, Time: 24h | After the test, the surface of the sample None Any changes | Wuxi Kerui testing service is limited Company WX140403-001-14 |
| NaOH resistant | Solvent: NaOH, Concentration: 0.5%, Temperature : 25°C, Time: 25h | |||
| Solvent Resistant | Solvent: BTX, time 72H | After the test, the surface of the sample None Any exception | Wuxi Kerui testing service is limited Company WX140403-001-15 | |
Solvent: Alcohol, time 72H | ||||
| solvent: KETONE, time 72 | ||||
Salt spray resistance test | Solution sodium chloride content: 5%; test Temperature: 35°C; Solution pH: 6.8 Duration: 1000H | After the test, the surface of the sample None Corrosion | Wuxi Kerui testing service is limited Company WX140403-001-16 | |
| Weatherability | Irradiance intensity: 60W/m²@300nm- 400nm; Blackboard temperature: (63±2)℃ Water spray time: 18min Drying time: 102min Drying humidity: 50% Condition: continuous light; Duration: 1000h | Gloss change e=4.5% No change in color △E=0.5 | Wuxi Kerui testing service is limited Company WX140403-001-17 | |
| Measurement standard: base aluminum alloy plate Coating: 1000 series porcelain film coating Pretreatment: Sandblasting (60# 80#=1:1 Construction method: Air spray Curing temperature: 80- 100℃/10min,150-260℃/15min | ||||