TIS 543-2528 (Thai Industrial Standard ) Glass Beads for Use with Road Marking Materials.

Thai Industrial Standard(TIS)

The Thai Industrial Standards (TIS) is a technical requirement that the Thai Industrial Standards Institute (TISI) has established as a manufacturing guideline in order to undertake standardization and aim for products with optimal quality. Contents of the TIS include technical specifications, product characteristics, product operating performance, quality of raw material and testing procedures. Currently there are over 2,000 standards covering numerous consumer products such as food, electrical appliances, vehicles, construction material and many more.


Intermix Glass Beads TIS 543-2528 Type 1

Intermix glass bead for Thermoplastic paint

An intermix rate of 20% minimun by weight is recommended for optimum reflectivity and durability.

Size(Micron) Retained %
1180 0 - 3 %
850 5 - 20 %
425 65 - 95 %
Pan 0 - 10 %
Spherical Beads >70% 

Drop On Glass Beads TIS 543-2528 Type 2

Drop on glass beads for Thermoplastic paint

A surface application rate of 300 - 400 gms/sq.m is recommended for maximum reflectivity and durability

Size(Micron) Retained %
850 100 %
600 90-100 %
425 35 - 75 %
300 15 - 45 %
150 0 - 5 %
75 0 - 1 %
Pan  
Spherical Beads   > 70%

Glass beads TIS 543-2550 Type 3

Size(Micron) Retained %
1700 100 %
1400 95 - 100 %
1180 80 - 95 %
1000 10 - 40 %
850 0 - 5 %
710 0 - 2 %
Pan  
Spherical Beads   >70%

Premix glass beads for paint(solvent based coating)

This specification is intended to be mixed into road marking paint, piror to application. It is recommended that 500 - 600 grams of beads be added to each litre of paint for optimum reflectivity and durability.

Sieve Size (micron) Passing %
250 100 %
212 85 - 100 %
106 15 - 55 %
63 0 - 10 %
Pan  
Spherical Beads   >80%