Water-based exterior paint

Category:Waterborne ceramic coatings
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Date of issue:2022/07/12
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Detailed introduction

Product application engineering project

Urumqi Metro One Line

Waterborne exterior paint

Water-based 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℃
Valid Date	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