JGB M5 is the Glass beads kind conforming to KSL 2521 Korean Standard, used for road marking paint to increase the reflection of paint in both day and night. JGB M5 has the size smaller than 850 micron, high fineness, meet the requirements about reflection, roundness and bead sizes follow specific standards.

 

JGB M5 has 2 kinds:

JGB M51 conforms to KSL 2521 1 Korean Standard

JGB M52 conforms to KSL 2521 2 Korean Standard

Packing: 25 kg/bag

PARAMETERS

Property JGB M5 KSL 2521 Standard
Spherical beads (%) ≥80 ≥ 70
Specific gravity (g/cm³) 2.48 2.4 – 4.3
Refractive index 1.50〈RI〈1.70 1.50 ≤ RI ≤1.70
Waterproof index 4.3 <10
Magnetic particle content 0.03 ≤ 0.1

Particle size of JGB M51 (conform to KSL 2521 1 Standard)

Sieve (µm) Retained ratio (%)
JGB M51
>850 0 – 3
850 – 600 5 – 30
600 – 300 30 – 80
300 – 106 10 – 40
<106 0 – 5

Particle size of JGB M52 (conform to KSL 2521 2 Standard)

Sieve (µm) Retained ratio (%)
JGB M52
>600 0
600 – 300 40 – 90
300 – 150 5 – 60
<150 0 – 5

 

*Customers could choose the available products or send specific requirements to our factory to do the products suitable with your demands