Unibrite                   Port Washington, N.Y. 11050

Phone: 516-551-8414                                             Email: info@unibrite .com

 Silicon Carbide, Aluminum Oxide, Alumina, Glass Beads, Vibratory Compounds

Since 1956

[Under Construction]

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GLASS BEADS

 

Glass impact  beads are made from high quality soda lime glass (lead free) and screened

to precision tolerances for use as a sand blasting or peening material. Graded to both

commercial standards and Mil GA-9954-A to provide for every application.

 

CHARACTERISTICS

                               SHAPE                                                   SPHERICAL

COLOR                                                  CLEAR

SPECIFIC GRAVITY                            2.52

FREE SILICA                                        NONE

LEAD CONTENT                 NONE

DRY BULK                                            12.8 LB/GAL

HARDNESS(Moh)                               5

SPHERE COUNT                  90%

AIR INCLUSION                  1%

AVE. CRUSH STRENGTH  80,000 psi

REFRACTIVE INDEX                     1.51-1.52

 

TYPICAL CHEMICAL ANALYSIS

Si O2                       72.5%                                    Al2 O3                    0.4%

CaO                          9.8                                         MgO                       3.3

Na2O                      13.7                                         K2O                        0.1

Fe2O3& FeO            0.2                        

 THERMAL PROPERTIES 

SOFTENING POINT                            589 C

STRAIN POINT                                   505 C

ANNEALING POINT                          548 C

                                                

SIZES

MIL GA-9954-A  SIZES 1-13, 20/30, 30/40, 40/60, 60/100, 70/140, 100/170, 140/270,

                                 170/325, 270F, 325F

11/02

Last modified: 12/23/09