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2.5D Rounded Edge Screen Protector Glass Full Coverage & Scratch Resistant for Mobile Screens

2.5D Rounded Edge Screen Protector Glass, Full Coverage & Scratch Resistant for Mobile Screens

CHIYAN-M2 Ultra Clear Medium Alumino-Silicate Glass is an environmental-friendly ultra-thin alumino-silicate glass can be used in Electronic Display Cover Glass, can be used for a glass material for tempered as protective glass and suitable for all brands cellphones.

Selling Points:

High Impact Resistance
High Scratch Resistance
Super Flexibility
Bending Strength Resistance

Regular Thickness:

0.25mm, 0.33mm, 0.4mm,0.5mm, 0.55mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm,1.3mm, 1.5mm, 1.8mm, 2.0mm

Application: 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. Widely used in vehicle, consumer electronics cover plate, photovoltaic, industrial touch, smart home field;

Standard Size:1300*1100mm (5th Generation)

Note: The size can be customized according to customer's needs.

Product Composition

Ultra Clear Medium Alumino-Silicate 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

Physical Property Parameter

S/N	Items	Unit	Test Standard	CY-M2
1	Density	g/cm3	GB/T5432-2008	2.48±0.01
2	Refractive Index	/	GB/T 2680-2021	1.51±0.01
3	Young's Modulus	Gpa	GB/T 37780-2019	73.0±0.5
4	Transmittance	%	GB/T 2680-2021	≥91.5
5	Volume Resistivity	lg(Ω .cm)	GB/T 31838.2-2019	≥10.0
6	Dielectric Constant	/	SJ/T 11043-1996	≥7.0
7	Softening Point	℃	GB/T 28195-2011	750±10
8	Strain Point	℃	GB/T 28196-2011	516±5
9	Annealing Point	℃	GB/T 28196-2011	562±5
10	Thermal Conductivity	W/( m.K)	JC/T 675-1997	0.682±0.10
11	Thermal Expansivity	* 10-7/℃	SJ/T 11036-1996	85±5
12	Photoelastic Coefficient	nm/cm/MPa	BS 7604-1-1992	27.0±0.2
13	Poisson's Coefficient	/	GB/T 28195-2011	0.23±0.02
14	Vickers-hardness	HV	GB/T 16534-2009	610±10

Chemical Tempering Process Parameter Setting Reference

Technological Parameter	400°C		410°C		420°C		430°C
Technological Parameter	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	13001100(±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 Specifications

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	LWT(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

图片7.png

Storage conditions: Temperature ≤30℃, humidity ≤65% (no condensation), shelf life is 6 months from the date of delivery.

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Categories	Screen Protector Glass
Brand Name:	CHIYAN GLASS
Model Number:	CHIYAN-M2
Certification:	ISO14001/ISO9001/ RHOS/ REACH/ CP65/ Holagon Free
Place of Origin:	CHINA
MOQ:	1000 square meters
Price:	Negotiable
Payment Terms:	T/T, Western Union
Supply Ability:	Annual output 20 million square meters
Delivery Time:	8-15 work days
Packaging Details:	Wooden Box/ Pallet
Name:	2.5D Rounded Edge Screen Protector Glass, Full Coverage & Scratch Resistant for Mobile Screens
Thickness Optional:	0.25mm~2mm
Color:	Ultra-White ultra clear
Standard Size:	1300*1100mm (G5)
DOL:	9-12um
CS:	600~750Mpa
4PB:	≥500Mpa
Customized Size:	Acceptable