Aluminosilicate glass sheet for lcd display cover glass tempered processing
Ultra Clear Medium Aluminosilicate Electronic Float Glass(CHIYAN-M2) is an eco-friendly ultra clear alumino-silicate glass with certain strength.
Glass Type: Float glass
Tempered glass, also known as reinforced glass, is a type of safety glass. Tempered glass is actually a type of prestressed glass. In order to improve the strength of glass, chemical or physical hardening treatment is usually used to form compressive stress on the surface of the glass. When the glass is subjected to external forces, it first offsets the surface stress, thereby improving its load-bearing capacity, enhancing the glass's own resistance to wind pressure, cold and heat resistance, impact resistance, etc.
Standard shipping Size:1300*1100mm (5th Generation)
Regular Thickness:
2.0mm 1.80mm 1.50mm 1.30mm
1.10mm 0.70mm 0.55mm
0.40mm 0.33mm 0.25mm
Features:
High Bending Strength Resistance
High Impact Resistance
High Scratch Resistance
High Flexibility
CHIYAN-M2’s 0.25~2.0mm thickness medium alumino-silicate glass has already been used in the market to meet a wide range of customers needs.
Note: The size can be customized according to customer's needs.
Application:Courtyard,Leisure,Facilities,Supermarket, Farmhouse, Laundry, Workshop, Kitchen, School, Bathroom, Babies and kids, Bedroom, Exterior,Dining,Warehouse,Home Office, Staircase,Outdoor, Living Room, Park,Wine Cellar, Office Building, Storage & Closet, Gym,
Mall, Entry,Apartment, Sports Venues,Basement,Hospital, Villa,Hotel,Home Bar, Hall, Garage &Shed
Usage: Industrial, Decoration,Curtain Wall
Product Composition
Ultra Clear Medium Aluminosilicate Glass achieves better stress and strain depth than ordinary soda-lime glass by increasing the Al₂O₃ content in the glass and increasing the ion exchange capacity.
| Composition items | SiO₂ | Al₂O₃ | Fe₂O₃ | CaO | MgO | K₂O | Na₂O |
| Range of set value | 69.0-72.0 | 4.5-8.0 | ＜0.01 | 6.0-8.0 | 3.5-5.0 | 0.1-1.0 | 13.0-14.5 |
Chemical Tempering Process Parameter Setting Reference
| Technological Parameter | 400°C | 410°C | 420°C | 430°C |
| CS(MPa) | DOL(um) | CS(MPa) | DOL(um) | CS(MPa) | DOL(um) | CS(MPa) | DOL(um) |
| 3H | ≥650 | ≥7.0 | ≥650 | ≥8.0 | ≥650 | ≥9.0 | ≥650 | ≥10.5 |
| 4H | ≥600 | ≥8.0 | ≥600 | ≥9.0 | ≥600 | ≥11.0 | ≥600 | ≥12.5 |
| 5H | ≥600 | ≥9.0 | ≥600 | ≥10.0 | ≥600 | ≥11.5 | ≥600 | ≥13.0 |
Note: Tempering solution Na+<0.5%. The above test results are affected by processing conditions, the data is for reference only, not as a basis for production.
Dimensions
| NO. | Item | Specification | Detection Method |
| 1 | Dimensional Tolerance | 1300*1100*(±2mm) | Tape Measure |
| 2 | Thickness | 0.50~1.1 ±0.05m 1.3~2.0 ±0.05m | Micrometer |
| 3 | Thickness Difference | ≤0.04mm | Micrometer |
| 4 | The Diagonal Difference
(Perpendicularity) | ≤0.3% | Tape Measure 
|
| 5 | Stripe | ≤Level2 | Point Sources of Light |
| 6 | Flatness (Before Tempering) | 0.50~0.55 ≤0.15%(=h/L) 0.70~2.0 ≤0.10%(=h/L) |  |
Appearance descriptions
| NO. | Item | Specification | Detection Method |
| 1 | Effective Mass Area | All areas outside 10mm of the edge are effective mass areas. |  |
| 2 | Appearance Defects | Scratches | w≤0.03mm, Allowed 0.03mm＜w≤0.05mm,L≤25mm (Controlled by point defects) w＞0.05mm, Not allowed | 
Fluorescent Lamp 2000-2500Lux 
|
| Bubbles | d≤0.05mm, Not counted 0.05mm＜d≤0.2mm, Numbers≤5 /m² d＞0.2mm,Not allowed |
| Inclusions such as stones and sticky tin | d≤0.05mm, Not counted 0.05mm＜d≤0.2mm, Numbers≤5 /m² d＞0.2mm,Not allowed |
| 3 | Edge Defects | Chipping | Single chipping L≤2.0mm,W≤1.0mm,D≤1/2 of the thickness (as the right picture showed). The cumulative length of chipping is less than 10% of the edge length of the glass plate. |  |
| 4 | Cracks and missing corners | Not allowed |
| 5 | Surface stains (glass shavings, attachments, point contamination) | No stains that cannot be removed by ordinary detergents are allowed. |
d≤0.05mm, Not counted 0.05mm＜d≤0.3mm, Numbers≤5 /m² d＞0.3mm,Not allowed | The same method as appearance detection. |
Packing Quantity
| S/N | L*W*T(mm) | Packing Quantity (Pieces/Box) |
| 1 | 1300x1100x0.25 | 900 |
| 2 | 1300x1100x0.33 | 1020 |
| 3 | 1300x1100x0.40 | 900 |
| 4 | 1300x1100x0.50 | 750 |
| 5 | 1300x1100x0.55 | 680 |
| 6 | 1300x1100x0.70 | 550 |
| 7 | 1300x1100x0.82 | 490 |
| 8 | 1300x1100x0.95 | 420 |
| 9 | 1300x1100x1.0 | 410 |
| 10 | 1300x1100x1.1 | 370 |
| 11 | 1300x1100x1.3 | 310 |
| 12 | 1300x1100x1.5 | 280 |
| 13 | 1300x1100x1.6 | 250 |
| 14 | 1300x1100x1.8 | 230 |
| 15 | 1300x1100x2.0 | 200 |
Packaging Diagram
Storage
Storage conditions: Temperature ≤30℃, humidity ≤65% (no condensation), shelf life is 6 months from the date of delivery.
