How to improve the inverse coefficient of the line?

How to improve the inverse coefficient of the line?

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2018-04-10 China road marking.

How to improve the inverse coefficient of the line?

1. Increase the proportion of mixed glass beads in paint.

In the United States and Europe, the proportion of mixed glass beads in the coating is higher than 25%, while in our country, the requirement of mixing glass beads in the hot-melt coating in the standard of JT/ t280-1995 is only 15%-22%, which is well below the foreign standard.

Reticule coating standard revised in 2004, with reference to foreign standards in combination with China's actual situation, glass beads in mix proportion increased to 18% 25%, the latest revision standard plan mixes in the glass bead proportion increased to 30%.

2. Reasonable selection of glass beads.

Standard JT/T280-2004 glass beads ratio is improved, but if you want to improve back reflection line itself value, should also pay attention to choose high quality blend surface, glass beads, from round rate, purity, grading, the refractive index and so on into consideration, at the same time we should pay attention to different reticule coating of glass bead process should be different, such as hot melt coating using glass beads and water-based paint, a two-component reticule coating using glass beads is different.

3. Select glass bead diameter reasonably.

Recommended in GB/T24722-2009 standard surface bead and glass bead for no. 1, particle size distribution is 0.106 mm - 0.85 mm, this kind of glass bead used in hot melt marking still meet the current standards, but in a two-component waterborne paint, marking paint coating of normal temperature construction, particle size distribution is smaller.

The diameter of glass beads should be selected according to the film drying or curing time and film thickness.

4. Pay attention to the embedding degree and the amount of the glass bead in the construction stage.

Before construction should be reasonable by experiments of different varieties reticule coating glass beads and the amount and degree of embedded, such as the surface of hot melt reflective marking and bead around 350 g/m2, a two-component lines, water-based paint line need 500 grams or more of the fabric quantity, strive to achieve the best.

5. Reasonable selection of marking paint.

In combination with different construction sections and construction requirements, different coatings are selected.