ROSIN RESIN FOR ROAD MARKING PAINT – ROAD MARKING ROSIN RESIN

PP bags 25 kg/bag.

Jumbo bags 1 ton/bag.

Store in a dry, well-ventilated area, away from direct sunlight, heat and moisture.

Do not transport or store together with oxidizing agents.

Shelf life 12 months.

Danh mục: Sản phẩm

Mô tả

What is Rosin Resin for Road Marking Paint?

Rosin resin for thermoplastic road marking paint is a rosin-based binder resin, typically esterified or specially modified for use in thermoplastic road marking paint.

In thermoplastic road marking formulations, the resin binds together components such as pigments, fillers, reflective glass beads and additives. When heated, the resin melts and provides suitable flow properties for application. After cooling, the coating solidifies quickly and adheres firmly to the road surface.

Common types include

Rosin ester
Pentaerythritol rosin ester
Glycerol rosin ester
Modified rosin esters designed to improve thermal stability, color brightness and processing stability

Properties of Rosin Resin for Thermoplastic Road Marking Paint

Property	Function in Road Marking Paint
Relatively high softening point	Helps the coating maintain hardness and resist deformation on hot road surfaces
Good adhesion	Helps the coating adhere firmly to concrete and asphalt surfaces
Good melt flow	Facilitates application and helps form a smooth, uniform coating
Fast solidification upon cooling	Reduces the waiting time before traffic can resume
Good pigment binding	Supports stable color and uniform pigment distribution
Good glass bead retention	Helps reflective glass beads remain securely embedded in the coating
Good hardness	Improves resistance to abrasion caused by vehicle traffic
Relatively good thermal stability	Reduces degradation or darkening during paint processing
Relatively light resin color	Important for white and yellow road marking paints
Low or controlled acid value	Helps improve formulation stability and reduce unwanted side reactions

An important requirement is to achieve the right balance between hardness and flexibility. If the resin is too hard, the road marking may crack. If it is too soft, the coating may deform or attract dirt when the road surface becomes hot.

Applications of Rosin Resin for Thermoplastic Road Marking Paint

Its main application is in the production of thermoplastic road marking paint including

Lane divider lines
Center lines
Edge lines
Pedestrian crossings
Directional arrows
Stop lines
Road surface symbols and lettering
Parking lot markings
Traffic markings in industrial areas, ports and warehouses
Reflective road marking coatings containing glass beads to improve nighttime visibility

In addition to road marking paint, certain rosin ester grades in the same product family are also used in hot melt adhesives, printing inks and coatings. However, grades intended for road marking paint are usually specifically optimized for softening point, thermal stability, color and compatibility with thermoplastic coating systems.