BS 3262 The Requirement for Reflective and Safe Thermoplastic Paint with Lead-Free Pigments and Glass Beads

Product Description

BS 3262 is a British Standard that specifies the requirements for thermoplastic road marking materials. These materials are designed for use in traffic markings on roads, highways, pedestrian crossings, and other public areas. The standard ensures that the thermoplastic paint offers high performance in terms of durability, reflectivity, and safety. Below is a detailed description of BS 3262 Thermoplastic Road Marking Material:

1. Composition

The thermoplastic road marking material described by BS 3262 is composed of several key components that provide its durability, reflectivity, and performance. These include:

• Resins: The primary binder that holds the paint together and adheres to the road surface. Typically, synthetic resins are used to provide good adhesion and resistance to wear.
• Pigments: Commonly titanium dioxide (for white markings) and lead-free pigments for yellow road markings. These pigments provide the bright colors needed for visibility and road safety.
• Glass Beads: Retro-reflective beads are embedded in the paint to enhance visibility, especially at night or in low-light conditions. These beads reflect headlights back to the driver, improving road safety.
• Fillers: Materials like calcium carbonate, silica, or other minerals are added to improve the physical properties of the paint, such as its texture, durability, and wear resistance.
• Additives: These may include anti-UV agents, plasticizers, and stabilizers to improve the longevity and performance of the material.

Applications

• Lane markings: White and yellow lines on highways, freeways, and urban roads.
• Pedestrian crossings: High-visibility crosswalks.
• Traffic symbols: Arrows, stop lines, and other markings.
• Parking lot lines: Marking of parking spaces and aisles.
• Bus and cycle lanes: Special lane markings to guide traffic.

Advantages of BS 3262 Thermoplastic Road Marking Material:

• Long-lasting and cost-effective, reducing the need for frequent reapplication.
• High visibility and safety, especially in low-light conditions.
• Suitable for a wide range of traffic environments, from high-speed highways to urban streets.
• Quick application with minimal disruption to traffic.

Key Performance Characteristics

• Durability:
  BS 3262 thermoplastic materials are designed to withstand harsh environmental conditions, such as exposure to UV radiation, rain, extreme temperatures, and the mechanical wear caused by traffic. The paint resists cracking, peeling, and fading, ensuring the markings last longer.

• Reflectivity:
  One of the primary features of BS 3262 thermoplastic road marking materials is their high retro-reflectivity, which is provided by the embedded glass beads. This ensures that road markings are visible both day and night, improving safety for motorists and pedestrians. The glass beads reflect light back toward the driver, making the markings highly visible even in poor weather or at night.

• Fast Setting and Application:
  The material is applied in a molten state (typically heated to temperatures between 180°C and 220°C). It hardens quickly upon cooling, which reduces traffic disruption and allows for quick completion of road marking projects. This characteristic is ideal for high-traffic areas where downtime needs to be minimized.

• Adhesion:
  The thermoplastic material adheres strongly to asphalt and concrete surfaces. This adhesion ensures that the markings stay in place even under heavy traffic conditions and don't wear off easily.

• Skid Resistance:
  The paint is designed to provide a skid-resistant surface, which reduces the risk of accidents, especially in wet conditions. The inclusion of coarse fillers in the mixture helps provide a textured surface that minimizes slipping.

• Color Retention:
  BS 3262 ensures that the colors of the markings (typically white and yellow) remain vibrant and do not fade quickly due to UV exposure or wear. The formulation helps retain color intensity over time.

Detailed Process of Hot Melt Road Marking Paint Construction

1. Road Cleaning

Before operation, the nearby area must be cleaned to ensure that there are no impurities such as oil, water, fallen leaves, weeds, ect., so as not to affect the adhesion effect, flatness and reflection effect of the line.

2. Set the Point and Mark Line

In the process of sampling, the calculation and measurement must be carried out in strict accordance with the construction drawings. Measure the several lanes that need to be drawn on the road, set the point, and then mark it with a stone pen. Use titanium dioxide powder to glue the rope for the elastic line. After the rope is removed, it will be corrected and improved to ensure that the line shape is clear and accurate.

3. Apply the Primer

The lower coating is a common binder in hot melt marking construction. It is applied to the highway road surface, which can make the hot melt coating better adhere to the road surface.

4. Spray the Paint

Before construction, first check the relevant coating equipment. Then heat the paint.

When the trolley moves forward, the paint will form a coating film on the road, and a layer of glass beads should be sprinkled on the coating film during the coating process.

When the trolley moves forward, take the reference line as the ruler, control the thickness and width of the line, and ensure the coordination, clarity and smoothness of the line connection between the straight line and the curve.

Note: During the coating process, in order to avoid the sedimentation and separation of the paint, it is necessary to stir the paint frequently.

5. Check and Correct

After the coating is completed, check and correct the line shape, check the spread of glass beads, etc.

After confirming that it is correct, the construction site will be cleaned up.

After the line is dried and hardened, the relevant construction equipment can be transferred, the safety facilities can be dismantled, and the traffic can be opened.

Technical Specification