Road marking knowledge at a glance - Part 3

2022-03-31

Here we continue to introduce the different types of road marking.

3. Solvent Based Road Marking Paint

Components		Polyvinyl acetate latex, lithopone, water, CaCO3, pigment
Appearance (normal temperature)		Liquid
Heat residual		Fast dry ＞90%; normal dry >82%
Application sealer		With or without
Application Temperature		Ambient temperature
Application mode		Spray or roller
Visibility	Day	Good
	Night	Good
Adhesion		Strong
Drying		Slow
Effect of glass bead		Good
Anti-dirty		Good
Wear resistance		Good
Service life		12 months
Effect on environment		No known negative environmental impact if used as intended. Incombustible.

Primary use: long lines, intersection, arrows, letters, symbols;

Application: striping truck, hand sprayer, metal stencils

Thickness: 0.38mm – 0.64mm

Resin System: acrylic emulsion; MMA;

Advantage: environment-friendly; good thickness;

Disadvantage: slow dry; short life; poor water-resistance; poor adhesion to bituminous pavement.

4. Preformed Thermoplastic Road Marking

Components		Thermoplastic resins, pigment, CaCO3, glass beads, plasticizer, additives
Appearance (normal temperature)		Preformed tape
Heat residual		100%
Paint Primer		With or without
Construction Temperature		Heat to melt (220℃)
Construction mode		Manual
Visibility	Day	Good
	Night	Good
Adhesion		High
Set-up time		Fast
Effect of glass bead		Good
Anti-pollution		Medium
Wear resistance		Medium
Service life		1-3 years
Effect on environment		Little

Primary use: intersection, arrows, letters, symbols;

Application: mannual

Thickness: 2.3mm – 3.2mm

Resin System: polyamide adhesive; rosin ester

Cost: high level

Advantage: long life; easy to apply; quick apply; easy to transport

Disadvantage: higher cost.

For more road marking types and introductions, pls click here to episode four.