Glass Road Stud

Glass Road Stud

现价:¥0.00

添加时间:2017-03-23 14:59:00

 

1 Reflectorized Glass Ball

1.1 Compressive strength

White reflectorized glass shall support a minimum load of 25,000Kgs. It should be made from Tempered Glass or toughened glass which is melted in one piece without joint connection.

1.2 Dimension

Reflectorized Glass Ball should be half sphere, dimension show in this table

Item

Dimension

Millimeter (+-3mm)

1

Diameter at surface level

100

2

Wide at half sphere

60

3

Wide at glass ball base

80

4

Height over surface base

19

5

Thickness under surface level

27

1.3 Glass ball must be high quality clear color, no bubbles, no spot or stained It can reflect all direction (360 degree). Bottoms and side surface of the glass ball should be coated with aluminum or titanium. Surface must be resistant to friction and not adhesive with small particle size of dust, carbon, powder and be self-cleaning with rain or tire abrasion.

1.4 Retroreflectivity must have a minimum value when test according to ASTM D 4280     

Angle of Measurement (Degree)

Angle of Incident (Degree)

Retroreflectivity (MCD/Lux/M2)

0.2

-20

>112

0.2

-60

>112

0.2

+20

>112

0.2

+60

>112

0.2

+180

>112

2 Other specification

2.1 ColorWhite \Green \Blue\Amber\Yellow\Red

2.2 Product Weight520g

2.3 Hardness170±5

2.4 Weathering Resistance Properties: More than 16280h   

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