Anti-graffiti powder coating

Brief description

This series of products is based on saturated hydrocarbon polyester resin and isocyanate curing agent as the main base material, with the following excellent properties: super weather resistance, high corrosion resistance, high resistance to chemical solvents, high scratch resistance, thermosetting polyurethane powder coating.

Coating properties

Mechanical properties	Impact	GB/T1732-93	50kg*cm
	Bending	GB/T6742-86	Φ2mm
	Cupping	GB/T9286-88	>6mm
	Adhesion	GB/T9286-88	Grade 0
	Hardness	GB/T6739-86	≥3H
	Boiled	in 96-100C distilled water for 2 hours	No discoloration or blistering
Corrosion resistance	Acid resistance	5%H2SO4	1 year	No discoloration or blistering
		48%HCL	1 month
		5%HAC	1year
		5%H3PO4	1year
	Alkali resistance	5%NaOH	30 days	No discoloration or blistering
		5%NaCO3
	Solvent resistance	Acetone	Brush 50 times	No discoloration or blistering
		Xylene
		Methyl ethyl ketone
		Gasoline
		Alcohol
		Ethyl acetate
	Salt spray resistance	GB1771-91	1000 hours	No change in coating film, single-sided corrosion at the cross section <2mm
	Heat and humidity resistance	GB1740-79	1000hours	Slight gloss loss of film, <1 level
	Weather resistance	ASTM G154 QUV	1000hours	Gloss retention rate ≥80%

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