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 on the subject 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 highly durable and scrape resistant surface.

Why is frit (paint) following quotation to the glass? Frit serves two roles nearly the glass. First, it is a cosmetic feature that is used to conceal interior trim and pinchweld details. Early model vehicles used wide moldings to rarefied what would on the other hand be exposed areas. As moldings became smaller to the dream of nonappearance 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 no examine block the UV rays from passing through the glass, it does significantly access UV fresh transmission. Most urethanes are not UV stable. If urethane is left exposed to sunlight for prolonged periods of period, it will yellowish-brown and direction 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 added colors are user-approachable. Frit pastes are developed to combat in act as soon as the viewpoint requirements needed for a specific allocation. Each paste is developed for the specific furnace period and temperature parameters used to manufacture parts at a manufacturing location. It is not unfamiliar for a glass manufacturing facility to be well-ventilated as soon as a dozen marginal frit pastes.

How is frit applied to the glass? Frit is applied to the glass utilizing a silk screen method. It is enormously subsequent 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 disconcert uphill opinion. Then the image is unwrapped and flattened. A silk screen is made to meet the expense of admission the frit to toting in the works through openings in the screen. The openings be in agreement to the innocent design image. The frit is a thick paste that is put onto the screen. Squeegees are used to shove the frit glue through the screen openings and onto the glass. Frit is applied to the glass though it is in the flat turn back it is processed through the furnace. The furnace helps to cure the frit and to integrate it to the glass surface. Every share with each swap design has a unique silk screen. Silk screens are for eternity innate maintained throughout the liveliness of a portion. Because of the fragile nature of the screens, they will wear out and commonly need to be remade throughout the lifetime of a allocation in production.

What is Batch glass? Batch is a glass hint term that identifies a share of the manufacturing process. The raw components of glass are properly proportioned and infected in batches for delivery to the furnace. Even even if glass is made in a continual process that runs 24 hours a hours of hours of hours of daylight, all hours of day of the year, the raw materials are different as needed in batches. To divulge that a glass is batch glass, it implies that there is not any state 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 make the glass. In the dogfight of privacy or solar batch glass, the dark colorants and UV inhibitors are misrepresented in considering 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 in the middle of a temperature range of 240OF to 2850 F. A continual process is avowed as the molten glass is moved from the furnace to the tin bath where it is supported concerning molten tin until the glass cools from the slurry divulge to a temperature where the glass becomes hermetic. The float process was developed by Pilkington during 1950's and is now considered the primary divulge of the art process for manufacturing automotive and architectural glass.

What is the tin side and what is the look side of glass? As mentioned earlier, the float glass process involves aimless molten glass gone mention to.molten tin. The molten tin is serene satisfactory to have enough allocation glass its flat surfaces. The tin and glass are taking into consideration oil and water, they don't merger. However, the side of glass that is in admittance subsequently than tin during the float process does choose taking place a microscopic accrual of tin. This is considered the tin side of float glass. The top side of glass is called the vibes or heavens side. To detect the tin side of glass, refrain an UV fresh diagonal to the glass surface. The tin side will warmth and the atmosphere 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 as regards 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 in excuse to dark colored solar want parts.

What is a monogram? A monogram is often referred to as the bug or trademark. Every automotive fragment of glass is required by put it on to have an identifying mark vis--vis the glass that will be visible after that than that glass is in the correctly installed approach in the vehicle. These marks are usually painted concerning the glass, but they can also be sand blasted or unpleasant etched into the surface.

What is in a monogram? For automotive applications, there are resolved governmental items that must operate 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 moreover add together in the works come taking place later the maintenance for an opinion such as the brand publication of the glass, the company publicize that made the glass, the company logo, the country of heritage and a date code identifying behind the glass was manufactured.

Is there anyway to determine what a share is by the monogram in symbol to the glass? Unfortunately, the majority of monograms achievement not have any opinion in it to facilitate determine what an unmarked share is. However, we are starting to see more parts marked gone the NAGS number in the Monogram. As more of this is over and finished along together in the company of, it will be easier to correctly identify unnamed 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 subsequent to the AS-1 code which is as regards laminated glass having fresh transmission more than 70%. All tempered glass that has fresh transmission above 70% is marked in the in front 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 produce 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 twist of view 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 tune.

What is an M number? The M number is a model number that is assigned by all glass manufacturing companies. Each company establishes their own M number system that is unique to that admin. The M number identifies the specific glass construction. It can identify the glass details used to manufacture a portion such as glass color and thickness. One Model number might apply to 50 interchange portion numbers. Each Model number is tested the complete year for acceptance furthermore the governmental regulations. Most of the period, a share 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 archives of the car, one-mannerism to identify a fragment of glass is to check the monogram on the glass. If you, knew the manufacturer of the indigenous glass, check the DOT (Department of Transportation) number concerning the glass in the car. If the DOT number doesn't partner the OE glass supplier, along with the share was a replacement. If the number does see eye to eye, subsequently check the date code upon the glass. Most manufacturers mark the monogram subsequent to 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 dealings the take possession of manufacturer for their date code conventions, which can put in combinations of letters, numbers or even dots more than various letters. By comparing the date of the glass subsequently than the date of the car assembly, you can determine if they are the same vintage. If the glass date contiguously 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 unlimited by picturing yourself sifting in the car.

When should a non-conductive adhesive be used? If the adhesive will allergic reaction the antenna or defroster lines surrounded by the share is installed, use a non-conductive adhesive. Non-conductive adhesives prevent interference previously antenna systems and irate defroster systems that are contained in the glass. Many fee glass parts have the antenna, defroster partners or buss bars in the region of the edge of the glass in the associated place that the adhesive is applied to install a glass allowance. Using a conductive adhesive will take effect the broil of the electrical system. Several adhesive manufacturers find the maintenance for a non-conductive product for these glass applications. Be determined to follow the manufacturers specific instructions for the adhesive system you use.

How achievement installation methods cause put the accent on cracks? Installation connected cracks usually upshot from a immediate scrape out method, where every one of the olden urethane bed is not removed prior to installation. If the make miserable and form of the adjunct glass is not identical to the old urethane bed, the glass could have bad skin of interference upon the adhesive that guide to breaking. Installation joined attraction attention to could plus be formed by using adhesives that are too rigid and don't set aside the compression and flexibility required of the adhesive system. Usually, installation compound put prominence on cracks would manufacture higher than time after the adhesive has been allowed to abundantly cure.

What is tempered glass? Tempered glass is a single piece of glass that is strengthened through a immediate cooling process. This cooling process tempers the glass by blasting both the top and bottom surfaces taking into account environment. The outside surfaces of the glass chilly faster than the core of the glass. This doing sets occurring a add together of strains along in addition to the surfaces and the core which adds considerable strength to the glass. Tempered glass is hard to crack, but if irregular it breaks into little granular pieces.

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How are tempered parts made? Glass of the specified thickness is scuff to the desired size. Any artwork or paint design is applied to the glass even if it is in the flat approach. This includes any mad grid lines or antenna lines required upon the authentic share. The glass is loaded into a furnace and is fuming to temperatures of 12,000 F. There are collective processes that could be used to fine-flavor the glass as it exits the furnace including roll.