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Reda Aluminium Road Studs have been designed and manufactured to withstand particularly difficult environmental and traffic conditions. The aluminum alloy used offers maximum impact resistance to vehicular traffic and spreads the impact load uniformally over the pavement surface. Theyare manufactured from aluminum ingots complying with BS 1490. The stud has one or two prismatic reflective faces as required to reflect incident light from a single directions or from both directions. Reda Aluminium Road Studs have a patented anti-twist shaft design to provide anti-torque movement of the stud whilst in service. They are affixed to the pavement surface by means of a hole drilled into the surface and filled with Reda Grouting Material in molten state prior to insertion.
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General Specifications |
SF-DF/10X10 Models |
SF-DF/15X15 Models |
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Material is made of High Quality Aluminum Silicate Alloy(die-cast alloy with excellent resistance to corrosion). LM6 or LM24 conforming to G-AL SI UNI 4514 and BS 1490.
Download Technical Speficiations
Download the Tensile Strength Report of Alluminum Alloy
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Model 1
31 Glass Elements
Plastic insert disc in yellow color |
Model 4
43 Glass Elements
Plastic insert disc in red color |
Model 2
3x7 Glass Elements
Plastic insert disc in yellow color |
Model 5
4x7 Glass Elements
Plastic insert disc in yellow color |
Model 3
43 Glass Elements
Plastic insert disc in red color |
Model 6
31 Glass Elements
Plastic insert disc in yellow color |
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Material |
High Quality Aluminum Silicate Alloy(die-cast alloy with excellent resistance to corrosion). LM6 or LM24 conforming to G-AL SI UNI 4514 and BS 1490. |
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Tensile Strength |
200 N/mm² |
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Elongation |
5-7 |
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0.2% Proof Stress |
100 N/mm² |
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Density (Specific Gravity) |
2.65 |
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Melting Point |
580 °C |
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Head Size(mm) |
100 x 100 x 25 |
150 x 150 x 25 |
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Shaft Length |
70mm |
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Slope of reflecting face |
60 degrees |
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Weight |
335gm |
860 gm |
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Anchorage Diameter |
37mm |
40mm |
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Anchorage Length |
67mm |
75mm |
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Brinell Hardness |
65 HB |
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Reflectors |
3 plastic discs each with 7 highly reflective glass elements or 31 or 43 glass elements on single panel. |
4 plastic discs each with 7 highly reflective glass elements or 31 or 43 glass elements on single panel. |
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Angle of reflectors |
60º to horizontal |
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Reflectivity |
Exceeds European/British Standard requirements. |
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Table 6 of BS873: part 4: 1987. Minimum R values |
Each omni-directional face has a minimum coefficiency of luminous intensity of not less than 2 mcd/lux measured. |
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Entrance angle |
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V=0 |
V=0 |
V=0 |
V=0 |
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H=15 L&R |
H=10 L&R |
H=10 L&R |
H=5 L&R |
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2 |
1 |
0.5 |
0.3 |
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2 |
10 |
15 |
20 |
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V=0 |
V=0 |
V=0 |
V=0 |
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H=15 L&R |
H=10 L&R |
H=10 L&R |
H=4 L&R |
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2 |
1 |
0.5 |
1 |
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2 |
10 |
15 |
10 |
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Color Factors |
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Colour |
White |
Amber |
Red |
Green |
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Multiplying Factor |
1 |
0.5 |
0.2 |
0.2 |
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Prismatic Studs |
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Size(cm) |
10 x 10 x 2.20 |
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Weight |
337gms |
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Shaft Design |
Anti-Twist - 65 mm long |
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Body Material |
Aluminium Alloy LM 6 or LM 24, Single Casting with Integral Shaft Highly Impact Resistant. |
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Technical Datasheet |
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Aluminium Alloy - Chemical Composition |
LM 6 |
LM 24 |
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Copper (Cu) |
0.10 |
3-4 |
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Iron (Fe) |
0.60 |
0-1.30 |
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Silicon (Si) |
12.00 |
7.5-9.5 |
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Magnesium (Mg) |
0.10 |
0.30 |
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Zinc (Zn) |
0.10 |
0-3.0 |
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Tin (Sn) |
0.05 |
0.20 |
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Titanium (Ti) |
0.15 |
0.20 |
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Aluminium (Al) |
Remainder |
(After others max 0.15) |
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General & Physical Properties |
LM 6 |
LM 24 |
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Specific Gravity |
2.60 |
2.71 |
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Melting Point |
580°C |
520-580° |
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Modulus Elasticity |
7600 KG/SQ.M.. |
- |
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Maximum Fusion Temperature |
780 |
- |
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Brinnel Hardness |
55-60 |
50-85 |
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Corrosion Rating |
Excellent |
Excellent |
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Mechanical Properties |
LM 6 |
LM 24 |
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0.2 Proof Stress N/mm2 |
120 |
100-150 |
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Tensile Strength (N/mm2 (Mpa) |
275-285 |
170-320 |
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Elongation - mm |
2-5 |
1-5 |
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Prismatic Reflector |
Reflector is prismatic cube corner High Intensity reflectors |
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Reflective Area |
21 Sq.cm Each Face |
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Specific Intensity Value mcd/lx |
0.20 o observation angle. |
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a. White |
0 o Entrance Angle 279
± 20 o Entrance Angle 112 |
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b. Yellow |
0.6 times value of White |
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b. Red |
0.25 times value of White |
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b. Blue |
0.10 times value of White |
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Reflectors are self cleaning type, fully protected in Aluminium Casting in the front to minimise damage caused by Vehicle Tyres. Rear side protected firmly with a highly adherent compound. |
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