{"id":5631,"date":"2026-03-27T08:17:30","date_gmt":"2026-03-27T08:17:30","guid":{"rendered":"https:\/\/saiweiglass.com\/?p=5631"},"modified":"2026-03-27T08:34:21","modified_gmt":"2026-03-27T08:34:21","slug":"gorilla-glass-vs-aluminosilicate","status":"publish","type":"post","link":"https:\/\/saiweiglass.com\/pt\/blog\/gorilla-glass-vs-aluminosilicate\/","title":{"rendered":"Vidro Gorilla vs Vidro de Aluminossilicato Personalizado: O que os compradores OEM precisam saber"},"content":{"rendered":"
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Gorilla Glass vs Custom Aluminosilicate Glass \u2014 An OEM Procurement Comparison<\/strong><\/p>\n

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Quick Specs: Gorilla Glass vs Custom Aluminosilicate<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/td>\nCorning Gorilla Glass (Victus 2)<\/td>\nCustom Aluminosilicate<\/td>\n<\/tr>\n
Glass Family<\/td>\nAlkali-aluminosilicate (proprietary)<\/td>\nAlkali-aluminosilicate (open formulation)<\/td>\n<\/tr>\n
Vickers Hardness<\/td>\n595\u2013670 HV (strengthened)<\/td>\n500\u2013650 HV (formulation-dependent)<\/td>\n<\/tr>\n
CS (Compressive Stress)<\/td>\n800\u2013900 MPa<\/td>\n500\u2013850 MPa (process-dependent)<\/td>\n<\/tr>\n
DOL (Depth of Layer)<\/td>\n80\u2013100 \u03bcm<\/td>\n40\u2013120 \u03bcm (bath time-dependent)<\/td>\n<\/tr>\n
Min Thickness<\/td>\n0.4 mm<\/td>\n0.3\u20130.5 mm<\/td>\n<\/tr>\n
Licensing<\/td>\nCorning brand license required<\/td>\nNo licensing \u2014 open-spec material<\/td>\n<\/tr>\n
Typical MOQ<\/td>\n10,000+ pcs (via authorized fabricators)<\/td>\n500\u20135,000 pcs (direct from manufacturer)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

An OEM hardware team requests “Gorilla Glass” on their cover glass RFQ because they heard of the brand. Six weeks later Corning’s authorized fabricator quotes a 10,000 piece MOQ with a licensing surcharge. The team’s actual 2,000 piece production run on a rugged handheld scanner. They needed aluminosilicate glass<\/a> with equivalent CS\/DOL specs – not a brand name. That name-brand versus name-brand differentiation in a glass material versus a glass product changes procurement lead times, unit costs, and source choices.<\/p>\n

When OEM customers compare aluminosilicate glass vs Gorilla Glass they are comparing a glass material to a branded glass product. Not all aluminosilicate glass is Gorilla Glass. Here we break down the material science, map measurable specs, and explain when branded glass earns its premium \u2014 and when custom aluminosilicate from an independent manufacturer delivers the same durability at lower MOQ and shorter lead times.<\/p>\n

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What Is Aluminosilicate Glass?<\/h2>\n

\"What<\/p>\n

Aluminosilicate is a class of glass wherein aluminum oxide (Al\u2082O\u2083) replaces part of the silicon dioxide (SiO\u2082) found in standard glass like soda-lime. A generic alkali aluminosilicate formulation has approximately 57% (by weight) SiO, 15% by weight AlO, and 15% by weight NaO with small quantities of MgO and KO. Aluminum content in the 10\u201325% range is what makes this glass material suitable for chemical strengthening<\/a> via ion exchange.<\/p>\n

Ion exchange works like this: aluminosilicate glass sheets are submerged in a molten potassium salt bath at 400\u2013500 \u00b0C, with an annealing temperature of up to 800\u00b0C, for 0.5 to 3 hours. During this manufacturing process, larger potassium ions (K\u207a) replace smaller sodium ions (Na\u207a) in the glass surface. Because the potassium ions in the glass are physically larger than the sodium they displace, a compressive stress (CS) layer forms across the surface that resists cracks or scratches. Depth of Layer (DOL) and CS value together define how well the chemically strengthened glass withstands drops and impacts. Well-tuned ion exchange on aluminosilicate routinely yields CS of 600\u2013900 MPa.<\/p>\n

In comparison, annealed traditional impact resistant glass or tempered glass which is toughened in a stationary furnace averaging 600C or higher takes on CS of 100 \u2013 150 MPa. Chemically strengthened aluminosilicate can routinely reach 600 -900 MPa. This is approximately 8 times stronger than tempered or annealed impact resistant glass. Consider this in the context of the above sell sheet. Tempered glass screen protectors serve as a sacrificial layer on a phone screen, but the actual phone requires chemically strengthened aluminosilicate as its primary display glass. Aluminosilicate base glass with higher AlO moisture usually produces stiffer material with a more cohesive Na strength bond between atoms. In that context, greater AlO content in surface layer produces more CS per processing session.<\/p>\n

Every branded cover glass on the market \u2014 Corning Gorilla Glass, AGC Dragontrail glass<\/a>, Schott Xensation, NEG Dinorex \u2014 starts as an aluminosilicate base. Differences lie in proprietary formulation ratios, ion-exchange recipes, and post-processing treatments. Aluminosilicate glass is also used in glass products beyond smartphone screen protection: industrial glass panels, automotive touch displays, medical device screens, and even Gorilla Glass camera lens covers. Custom aluminosilicate from independent manufacturers uses the same chemistry without brand licensing constraints.<\/p>\n

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What Is Corning Gorilla Glass? \u2014 The Branded Aluminosilicate<\/h2>\n

\"What<\/p>\n

Gorilla Glass<\/a> is Corning’s proprietary alkali-aluminosilicate product line, which became available in 2008 for handsets and tablets. By fine-tuning their proprietary fusion-draw technology process Corning produces thin, flat, high performance very flat glass sheets that are ready for immersion in a patented ion-exchange group process to make them extra tough and durable; they can be formatted into flatter stronger applications than most glass. Gorilla Glass is simply a Corning proprietary formulation within the aluminosilicate family, exclusively manufactured there and not pre-made elsewhere, thus creating an expensive licensing agreement for partners.<\/p>\n

When a mobile brand promotes “Gorilla Glass protected,” they are licensing the material as well as the name, which is an important performance consideration for OEM buyers. Corning Gorilla Glass offers exceptional durability and resistance to scratches, but other aluminosilicate glasses on offer from other sources often with a much lower price tag, can match or exceed it for many industrial and B2B uses.<\/p>\n

Corning has recently launched subsequent versions of Gorilla Glass sheet-s including improvements in drop durability and scratch resistance. Corning Gorilla Glass Victus 2 (November 2022 publication date) has a Vickers hardness value of between 595 and 670 when strengthened, and the scratch resistance will resist up to 6H rating (pencil hardness). When Gorilla Glass Victus 2 is dropped on a concrete-like surface, it withstands the impact from a height of 1-meter, a benchmark which ‘replicates’ the failure rate of screens on the most solid surfaces with only a small fraction of the impact failure rate. The latest iteration: Gorilla Glass Armor 2 (published Ja 2025) survived 2.2-meters drops to concrete in the engine room of Corning’s laboratory.<\/p>\n

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\ud83d\udca1<\/span> Pro Tip<\/strong><\/div>\n

Don’t mistake glass’s hardness reading on the Mohs scale as equivalent to the pencil-hardness (p rating) on a H scale. While claims are made that Gorilla Glass is rated at Mohs 9, similar to Sapphire, this is wrong. Most other aluminosilicate cover glasses form this high-performance family are testing at the Mohs 6.5-7 range, with sand (quartz, Mohs 7) still capable of scratching the surface. A screen protector helps shield the durable glass underneath from fine abrasive particles in pockets and bags.<\/p>\n<\/div>\n

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Tempered Glass vs Aluminosilicate Glass vs Gorilla Glass \u2014 How They Differ<\/h2>\n

\"Tempered<\/p>\n

There are literally three types of glass an OEM buyer can find in spec sheets: tempered glass, generic aluminosilicate, and popular licensed formulae like Gorilla Glass. All three types of course have obvious similarities, transparent, all “strengthened,” and all used in mobile device applications. But each has very different defining differences in method of strengthening, technical claims, and intended use.<\/p>\n

Tempered (toughened) glass is common soda-lime glass that has been brought to 620 C and cooled rapidly to induce surface compression of 100-150 MPa. Heat treatment produces a much cheaper glass compared to aluminosilicate and is commonly used as safety glass in buildings, along with auto side window and screen protectors on top of the phone screen. Tempered glass was not designed to be laminated down at these thicknesses for primary cover glass applications, most screens will be at least 0.33 mm, where the primary cover glass on a cell phone is 0.5-0.8 mm that is adhered directly to the LCD.<\/p>\n

Aluminosilicate glass is a different beast altogether. It is prepared by a formulation where alumina replaces some of the silica and is chemically (rather than thermally) strengthened. Ion exchange yields CS values of 500\u2013900 MPa – some six times stronger than tempered glass.<\/p>\n

Due to its ability to withstand impact and contain flaws at very thin profiles (0.3-1.1mm), aluminosilicate glass is now used as the primary screen protection for virtually all smart phones, tablets and mobiles sold today. AGC Dragontrail or custom aluminosilicate from an independent manufacturer are another way of achieving the same chemically strengthened Glas.<\/p>\n

Gorilla Glass is another product of that aluminosilicate family \u2013 a particular glass with a particular formulation (proprietary to Corning) and process control, but not a separate “material science” category. Appreciating this hierarchy assists OEM buyers in selecting the right glass to use: tempered glass protectors as sacrificial screen overlays, aluminosilicate for the primary cover glass and branded Gorilla\u2122 when the marketing activity merits the licensing premium.<\/p>\n

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Gorilla Glass vs Custom Aluminosilicate \u2014 Side-by-Side Comparison<\/h2>\n

These come from the same aluminosilicate glass family. Both aluminosilicate glass and Gorilla Glass undergo ion-exchange strengthening. Compared to traditional soda-lime, both deliver specialized glass performance. Differences show up in formulation control, supply chain structure, and commercial terms.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
Dimension<\/th>\nCorning Gorilla Glass<\/th>\nCustom Aluminosilicate<\/th>\n<\/tr>\n<\/thead>\n
Formulation<\/td>\nProprietary (undisclosed ratios)<\/td>\nOpen-spec; typical 57% SiO\u2082, 15% Al\u2082O\u2083, 15% Na\u2082O<\/td>\n<\/tr>\n
CS (Compressive Stress)<\/td>\n800\u2013900 MPa (Victus 2)<\/td>\n500\u2013850 MPa (bath temp\/time dependent)<\/td>\n<\/tr>\n
DOL (Depth of Layer)<\/td>\n80\u2013100 \u03bcm<\/td>\n40\u2013120 \u03bcm (adjustable via process)<\/td>\n<\/tr>\n
Vickers Hardness<\/td>\n595\u2013670 HV<\/td>\n500\u2013650 HV<\/td>\n<\/tr>\n
Surface Treatments<\/td>\nDX\/DX+ (Corning proprietary AR)<\/td>\nMulti-stack AR + AF coating<\/a>, AG etching, silk screen<\/td>\n<\/tr>\n
Licensing<\/td>\nBrand license + per-unit royalty<\/td>\nNone \u2014 material cost only<\/td>\n<\/tr>\n
MOQ<\/td>\n10,000+ pcs (authorized fabricator)<\/td>\n500\u20135,000 pcs (direct)<\/td>\n<\/tr>\n
Lead Time<\/td>\n4\u20138 weeks<\/td>\n2\u20134 weeks<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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\u26a0\ufe0f<\/span> Common Spec Mistake<\/strong><\/div>\n

OEM teams sometimes think custom aluminosilicate is whatever “lower performance” is. It is not. CS and DOL values depend upon the parameters of the ion exchange process that is performed (bath temperature, immersion time, potassium salt concentration) and not upon whether the glass has a Corning logo in the corner.<\/p>\n

A well optimized custom process on high alumina aluminosilicate glass frequently attains CS 750-850 MPa – inside of 5-10% of Gorilla Glass Victus 2. Where it differs is formulation consistency: Corning manages their glass from melt to end-use with rigorous quality control; custom glass quality varies with the process discipline of the glass manufacturer and incoming materials inspection.<\/p>\n<\/div>\n

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\u2714 Gorilla Glass \u2014 Strengths<\/strong><\/p>\n