JIS R 3301 Glass Beads for Road Safety

Model NO.: JIS R3301 Material: Glass Metal Type: Glass Feature: Anti UV, Waterproof, Anti-Corrosive Sign Type: Notice Sign Trademark: HYX Origin: China Type: Road Sign Application: Road Light Color: Transparent Shape: Circle Standard: JIS R3301 Specification: AASTHO HS Code: 7018200090 During the production of highway painting, put glass bead into paint based on the ratio of 18-25% (weight percentage), so that the highway paint can still keep reflectivity during wear and friction. The ratio is refer to the specification of Communication Industry Standard of the People's Republic of China No. JT/T280-2004, the standards which is different in different countries and areas.         

     
Physics and chemistry function
  

Item	Standard	Result
Specific gravity(g/cm3)	2.4--2.6	2.54
Refractive index	≥1.5	1.52
Spherical beads (%)	>80	82.5

 
  JIS R3301-1 
 

Diameter (μm)	Standard Retain (%)
>= 850	0
600--850	5--30
300--600	30--80
106--300	10--40
<= 106	0--5

 
 JIS R3301-2
 

Diameter (μm)	Standard Retain (%)
>= 600	0
300--600	40--90
<= 150	0--5

   
JIS R3301-3
  

Diameter (μm)	Standard Retain (%)
>=212	0
<=90	0--4

  
 






   
   

 

  
   

 

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