Стеклянные бусины для проекционного экрана (100-180сетка)

Product Characteristic:
I. Film plating glass bead can insulate water very strongly, and solve the problemof the screen drawing the cloth validitively.
II. The surface of film plating bead has used the organism material of the high refractive index, so changes the characteristic, and resolves the problem of glass bead sticking the resin not firmly.
III. Film plating glass bead can produce the certain buoyancy in the process of screen drawing the cloth, and make it evenly arrange in the screen surface, so can increase the screen's bright degree coefficient.
IV. Film plating glass bead has certain ability of cleaning itself, and dies down the screen to attach the dirty in the air, so make the screen not easily polluted.
V. The ideal depth that film plating glass bead goes into the screen's surface is 60%, the surface peeps out is 40%, and at this time the bright degree is the best.
Details: Physical reference
1. Material: Composition Sio2>72%
2. Round percentage>80%
3. Dia. 53 to 1200um
4. Density: 2.4~2.6g/cm3
5. Microhardness: 537kgf/mm3
Hardness (Mohs hardness): 6-7
6. Refractive index: 1.55-1.8
7. Standard: YZQB-004-1999, SAE, CSME006/M001
8. Authentication: MA / CNAL, SGS
9. PATENT NO.: ZL021290733
10. Crystal pure no color. Appearance Colorless and Transparent ball, no visible bubbles and impurity