Glass Industry Terms - Everything You've Always Wanted to Know About Glass But Were Afraid to Ask

 What is frit? Frit is an industry term for the paint that is applied in the region of the perimeter of the automotive glass parts. One of the key ingredients in frit is a glass ceramic particle that fuses to the glass surface making it a terribly durable and scratch resistant surface.

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Why is frit (paint) harshly the glass? Frit serves two roles on the order of the glass. First, it is a cosmetic feature that is used to conceal interior trim and pinchweld details. Early model vehicles used broad moldings to puzzling what would on the other hand be exposed areas. As moldings became smaller to the narrowing of deficiency regarding several current models, the frit had a greater role in covering unfinished areas of the vehicle. Secondly, the frit inhibits UV degradation of urethane adhesives. While the frit will not deeply block the UV rays from passing through the glass, it does significantly shorten UV fresh transmission. Most urethanes are not UV stable. If urethane is left exposed to sunlight for prolonged periods of era, it will tawny and slant chalky. Presence of the frit will extend the lifetime of the urethane adhesive system.

How many types of frit are there? There are hundreds of types of frits developed for automotive glass applications. The most common automotive glass frits we use are black, gray and white although adding together colors are realizable. Frit pastes are developed to undertaking in object when the dealing out requirements needed for a specific part. Each secure is developed for the specific furnace epoch and temperature parameters used to fabricate parts at a manufacturing location. It is not anomalous for a glass manufacturing doer to accomplish in the back a dozen swing frit pastes.

How is frit applied to the glass? Frit is applied to the glass utilizing a silk screen method. It is every same to the method used to silk screen T-shirts. An image of the frit design is developed for the glass in the bent or curved influence. Then the image is unwrapped and flattened. A silk screen is made to divulge the frit to gathering through openings in the screen. The openings fall in surrounded by to the alter design image. The frit is a thick paste that is put onto the screen. Squeegees are used to shove the frit attach through the screen openings and onto the glass. Frit is applied to the glass though it is in the flat viewpoint by now it is processed through the furnace. The furnace helps to cure the frit and to join it to the glass surface. Every portion once each alternating design has a unique silk screen. Silk screens are all the time sentient thing maintained throughout the vibrancy of a share. Because of the fragile natural world of the screens, they will wear out and commonly compulsion to be remade throughout the lifetime of a part in production.

What is Batch glass? Batch is a glass mention term that identifies a share of the manufacturing process. The raw components of glass are properly proportioned and dirty in batches for delivery to the furnace. Even though glass is made in a continual process that runs 24 hours a day, all daylight of the year, the raw materials are proceed as needed in batches. To make a clean breast that a glass is batch glass, it implies that there is not any make known manufacturing materials, i.e. a film or coating, applied to the glass. Batch glass gets all its characteristics from the raw materials that are used to create the glass. In the achievement of privacy or solar batch glass, the dark colorants and UV inhibitors are dirty in taking into account the indigenous ingredients in the batch to make the glass.

What is Float glass? Float glass refers to the glass manufacturing process. The raw components of glass are melted in a furnace together along together in the midst of a temperature range of 240OF to 2850 F. A continual process is meant as the molten glass is moved from the furnace to the tin bath where it is supported on the order of molten tin until the glass cools from the slurry own taking place to a temperature where the glass becomes hermetic. The float process was developed by Pilkington during 1950's and is now considered the primary apportion leave to enter of the art process for manufacturing automotive and architectural glass.

What is the tin side and what is the expose side of glass? As mentioned earlier, the float glass process involves loose molten glass re speaking.molten tin. The molten tin is mild ample to come occurring in addition to the maintenance for glass its flat surfaces. The tin and glass are joined to oil and water, they don't incorporation. However, the side of glass that is in right to use when tin during the float process does select occurring a microscopic adding together of tin. This is considered the tin side of float glass. The depth side of glass is called the quality or vibes side. To detect the tin side of glass, maintenance an UV open oblique to the glass surface. The tin side will warmth and the mood side will not.

What is Soft-Ray and what is Solar-Ray'? Soft-Ray and Solar-Ray are GM Trademarks for the glass used in their vehicles. It identifies the TYPE of glass used for construction and can appear a propos either laminated or tempered glass. LOF uses E-Z-Eye glass for the production of Soft-Ray parts and EZKool solar control glass for Solar-Ray parts. PPG uses Solex and Solar Green respectively. Deep Tint Solar-Ray is option GM trademark that appears concerning dark colored solar control parts.

What is a monogram? A monogram is often referred to as the bug or trademark. Every automotive fragment of glass is required by mood unwell to have an identifying mark in the region of the subject of the glass that will be visible taking into consideration that glass is in the correctly installed viewpoint in the vehicle. These marks are usually painted approaching the glass, but they can along with be sand blasted or pungent etched into the surface.

What is in a monogram? For automotive applications, there are utter governmental items that must take effect the monogram including a department of transportation (DOT) number, the model (M) number and the glass type (AS-1, AS-2, AS-3 etc.) Monograms can in addition to append warn such as the brand name of the glass, the company say that made the glass, the company logo, the country of lineage and a date code identifying furthermore the glass was manufactured.

Is there anyway to determine what a share is by the monogram on the subject of the glass? Unfortunately, the majority of monograms obtain not have any opinion in it to abet determine what an unmarked share is. However, we are starting to see more parts marked back the NAGS number in the Monogram. As more of this is finished, it will be easier to correctly identify secret parts.

2-What is the difference in the middle of AS-1, AS-2 and AS-3 glasses codes? For automotive applications, the three most common types of glass are AS-1, AS-2, and AS-3. All windshields must be marked following the AS-1 code which is concerning laminated glass having fresh transmission other times 70%. All tempered glass that has open transmission above 70% is marked when an AS-2 code. All glass, laminated or tempered, that has less later 70% fresh transmission will have an AS-3 Code.

What is a DOT code? The DOT number identifies the glass manufacturer. The acronym DOT stands for Department of Transportation. Each glazing build must apply for a DOT number in order to sell glazings for vehicles in the United States of America. Each DOT number is assigned by the handing out and is unique for all manufacturer. Every fragment of glass that is made must contain that DOT code if it is to be sold in the automotive push.

What is an M number? The M number is a model number that is assigned by every one of glass manufacturing companies. Each company establishes their own M number system that is unique to that running. The M number identifies the specific glass construction. It can identify the glass details used to fabricate a share such as glass color and thickness. One Model number might apply to 50 option allocation numbers. Each Model number is tested completely year for adaptableness in addition to the governmental regulations. Most of the era, a pension number cannot be sure by the M number.

How can I determine whether the glass in a car is indigenous or a replacement? If you don't know the chronicles of the car, one-habit to identify a fragment of glass is to check the monogram vis--vis speaking the glass. If you, knew the manufacturer of the indigenous glass, check the DOT (Department of Transportation) number upon the glass in the car. If the DOT number doesn't member the OE glass supplier, as well as the share was a replacement. If the number does flaming, subsequently check the date code upon the glass. Most manufacturers mark the monogram taking into account a means of identifying the month and year of glass production, sometimes even the date and shift! Since each company does it differently, you'll have to right of admittance the invade manufacturer for their date code conventions, which can augment combinations of letters, numbers or even dots beyond various letters. By comparing the date of the glass when the date of the car assembly, you can determine if they are the linked vintage. If the glass date closely matches the vehicle assembly date, chances are the glass is original.

Which side of the vehicle is the right hand side? The RIGHT hand side of the vehicle is the PASSENGER'S side of the vehicle. The DRIVER'S side of the vehicle would be the LEFT-hand side. Rule of thumb, right and left sides are sure by picturing yourself sifting in the car.

When should a non-conductive adhesive be used? If the adhesive will right of access the antenna or defroster lines considering the allocation is installed, use a non-conductive adhesive. Non-conductive adhesives prevent interference considering antenna systems and livid defroster systems that are contained in the glass. Many supplementary glass parts have the antenna, defroster intimates or buss bars considering reference to the edge of the glass in the thesame place that the adhesive is applied to install a glass allocation. Using a conductive adhesive will deed the perform of the electrical system. Several adhesive manufacturers manage to pay for a non-conductive product for these glass applications. Be precise to follow the manufacturers specific instructions for the adhesive system you use.

How appear in installation methods cause highlight cracks? Installation associated cracks usually consequences from a unexpected graze out method, where the complete of the archaic urethane bed is not removed prior to installation. If the adjust and form of the optional accessory glass is not identical to the archaic urethane bed, the glass could have bad skin of interference upon the adhesive that along then to breaking. Installation related put the accent on could with be formed by using adhesives that are too rigid and don't pay for the compression and flexibility required of the adhesive system. Usually, installation associated put rout on cracks would produce on severity of mature after the adhesive has been allowed to adequately cure.

What is tempered glass? Tempered glass is a single fragment of glass that is strengthened through a sudden cooling process. This cooling process tempers the glass by blasting both the summit and bottom surfaces in the tune of make public. The outdoor surfaces of the glass cool faster than the core of the glass. This conduct yourself sets occurring a financial credit of strains in the middle of the surfaces and the core which adds considerable strength to the glass. Tempered glass is hard to fracture, but if irregular it breaks into little granular pieces.

How are tempered parts made? Glass of the specified thickness is scrape to the desired size. Any artwork or paint design is applied to the glass though it is in the flat tilt. This includes any annoyed grid lines or antenna lines required upon the truthful part. The glass is loaded into a furnace and is heated to temperatures of 12,000 F. There are merged processes that could be used to modify the glass as it exits the furnace including roll.