Hr Series High Retro-Reflective Glass Beads

• Customization: Available
• Application: Airports, Factories, Parking Lots, Road Markings, Schools, Sports Fields, Warehouses
• Specification: Paper bag, 25 kg(551bs)/bag
• Model NO.: HR glass beads
• Trademark: Heavsty
• Origin: Zhenjiang, Jiangsu, China

Product Description

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Description:

Features:
Lightblue transparent glass beads,
Very high roundness via unique technology,
Wide distribution range of sizes from 100μm to 5000μm, Stable refractive index and superior retro-reflectivity,
Reasonable chemical composition and low content of heavy metals. Application Range:
Variety of drop-on for reflective road marking, Variety of intermix for reflective paint,
Drop-on for reflective anti-slip road marking.
 
Package:
Paper bag,25 kg(551bs)/bag,
1 metric ton super bag(1000kg/bag).

Latest Product Parameters

Technical    Data
1	Density	2.5±0.1g/m³
2	Mohs Hardness	6.0-6.7 Mohs
3	Elasticity Modulus	7x10Mpa
4	Compressive Strength	700-850 Mpa
5	Softening point	650~720ºC
6	Coefficient of Thermal Expansion	90~100×107ºC(20-350ºC)
7	Specific Enthalpy/Thermal capacity	790~840 J/(kg.K)
8	Refractive Index	1.51~1.52
9	Roundness	>90%
10	Size Range	100~5000 microns Wide variety sizes of glass beads from 100 to 5 000 microns are available depending on the request.
11	Chemical Composition	SiO :70~73%;AlO :0.3~1.4%; CaO: 7~10%;MgO:3~4.5%;NaO:11~15%;KO:0 .3~1.0%; FeO:0.02~0.1%;SO :0.1~0.4%.

 

COUNTRY	STANDARD
China	GB/T24722-2009
Europe	EN1423-1998,EN1424-1998
England	BS6088-1981
USA	MODIFIED AASHTO M247 TYPE I/H/II/IV/V
Japan	JIS R3301
Australia	AS/N2S 2007;AS/N2S 2007 D
Taiwan	CNS4342
Korea	KSL2521