Unibrite Corporation                  Port Washington, N.Y. 11050

Phone: 800-354-1067                          Fax:  631-582-2820                   Email: info@unibrite .com

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

Since 1956

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: 01/28/08