These microspheres are specially made for used in road marking paints and thermoplastic to provide excellent night retro-reflectivity. Type A is used as an intermix in the manufacture of reflective thermoplastic road marking paint. Type B is used as a filler for road marking paint.
|
Type
|
Standard
Diameter(um) |
Sieve
Size |
Content Proportion
|
|
Type A
|
850
|
20
|
Residue on sieve 5-20%
|
|
425
|
40
|
Residue on sieve 65-95%
|
|
|
425
|
40
|
Residue under sieve 0-10%
|
|
Standard of the Ministry of Communications GB/T 24722-2009
|
Diameter range
|
Content
|
|
|
Type B
|
Diameter(um)
|
Sieve size
|
%
|
|
600
|
30
|
0
|
|
|
600-300
|
30-50
|
50-90
|
|
|
300-150
|
50-80
|
5-50
|
|