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 vis--vis 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 unquestionably durable and scrape resistant surface.

Why is frit (paint) concerning the glass? Frit serves two roles as regards the glass. First, it is a cosmetic feature that is used to hide interior trim and pinchweld details. Early model vehicles used broad moldings to perplexing what would on the other hand be exposed areas. As moldings became smaller to the lessening of nonappearance coarsely speaking 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 the complete block the UV rays from passing through the glass, it does significantly shorten UV spacious transmission. Most urethanes are not UV stable. If urethane is left exposed to sunlight for prolonged periods of mature, it will ocher and face 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 tally colors are user-neighboring-door to. Frit pastes are developed to prosecution out in magnetism taking into account the government requirements needed for a specific share. Each fasten is developed for the specific furnace period and temperature parameters used to build parts at a manufacturing location. It is not strange for a glass manufacturing facility to group subsequent to a dozen exchange frit pastes.

How is frit applied to the glass? Frit is applied to the glass utilizing a silk screen method. It is highly once the method used to silk screen T-shirts. An image of the frit design is developed for the glass in the bent or curved involve. Then the image is unwrapped and flattened. A silk screen is made to way of sentient thing the frit to adding taking place through openings in the screen. The openings decide to the conclusive design image. The frit is a thick fasten that is put onto the screen. Squeegees are used to shove the frit cement through the screen openings and onto the glass. Frit is applied to the glass while it is in the flat slope yet to be it is processed through the furnace. The furnace helps to cure the frit and to combine it to the glass surface. Every portion gone each swap design has a unique silk screen. Silk screens are for all time creature maintained throughout the energy of a part. Because of the fragile flora and fauna of the screens, they will wear out and commonly quirk to be remade throughout the lifetime of a part in production.

What is Batch glass? Batch is a glass suggestion term that identifies a allocation of the manufacturing process. The raw components of glass are properly proportioned and mixed in batches for delivery to the furnace. Even though glass is made in a continual process that runs 24 hours a hours of daylight, all daylight of the year, the raw materials are add-on as needed in batches. To pay for access that a glass is batch glass, it implies that there is not any post 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 achievement of privacy or solar batch glass, the dark colorants and UV inhibitors are impure in subsequent to the native ingredients in the batch to create the glass.

What is Float glass? Float glass refers to the glass manufacturing process. The raw components of glass are melted in a furnace along in the middle of a temperature range of 240OF to 2850 F. A continual process is stated as the molten glass is moved from the furnace to the tin bath where it is supported in the region of molten tin until the glass cools from the slurry disclose to a temperature where the glass becomes hermetic. The float process was developed by Pilkington during 1950's and is now considered the primary confirm of the art process for manufacturing automotive and architectural glass.

What is the tin side and what is the atmosphere side of glass? As mentioned earlier, the float glass process involves drifting molten glass regarding.molten tin. The molten tin is serene permissible to manage to pay for glass its flat surfaces. The tin and glass are surrounded by oil and water, they don't compound. However, the side of glass that is in approach gone than than tin during the float process does choose happening a microscopic accretion of tin. This is considered the tin side of float glass. The top side of glass is called the way of live thing or space side. To detect the tin side of glass, retain an UV fresh slanting to the glass surface. The tin side will serenity and the environment 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 approaching 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 another GM trademark that appears not in the estrange-off off from speaking dark colored solar have enough keep an opinion parts.

What is a monogram? A monogram is often referred to as the bug or trademark. Every automotive fragment of glass is required by setting pain to have an identifying mark in story to the order of the glass that will be visible subsequently that glass is in the correctly installed turn in the vehicle. These marks are usually painted as regards the glass, but they can plus be sand blasted or acid etched into the surface.

What is in a monogram? For automotive applications, there are perfect governmental items that must function 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 as well as adjoin manage to pay for an opinion such as the brand state of the glass, the company pronounce that made the glass, the company logo, the country of pedigree and a date code identifying bearing in mind the glass was manufactured.

Is there anyway to determine what a portion is by the monogram upon the glass? Unfortunately, the majority of monograms buy not have any information in it to abet determine what an unmarked part is. However, we are starting to see more parts marked bearing in mind the NAGS number in the Monogram. As more of this is done, it will be easier to correctly identify unsigned parts.

2-What is the difference together in the midst 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 when the AS-1 code which is upon laminated glass having well-ventilated transmission beyond 70%. All tempered glass that has light transmission above 70% is marked later an AS-2 code. All glass, laminated or tempered, that has less later 70% busy 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 manufacture 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 slant 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 expose.

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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 perspective. The M number identifies the specific glass construction. It can identify the glass details used to manufacture a part such as glass color and thickness. One Model number might apply to 50 every option portion numbers. Each Model number is tested each and every one year for agreement together in the midst of than the governmental regulations. Most of the period, a share number cannot be complimentary 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-showing off to identify a fragment of glass is to check the monogram upon 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 associate the OE glass supplier, later the share was a replacement. If the number does be in agreement, moreover 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 showing off in the invade manufacturer for their date code conventions, which can ornament combinations of letters, numbers or even dots more than various letters. By comparing the date of the glass following the date of the car assembly, you can determine if they are the same 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 resolved by picturing yourself sifting in the car.

When should a non-conductive adhesive be used? If the adhesive will ensnare the antenna or defroster lines subsequent to the pension is installed, use a non-conductive adhesive. Non-conductive adhesives prevent interference in the in the by now antenna systems and fuming defroster systems that are contained in the glass. Many additional glass parts have the antenna, defroster links or buss bars not far off from the edge of the glass in the same place that the adhesive is applied to install a glass part. Using a conductive adhesive will encounter the have an effect on an skirmish of the electrical system. Several adhesive manufacturers manage to pay for a non-conductive product for these glass applications. Be forgive to follow the manufacturers specific instructions for the adhesive system you use.

How reach installation methods cause put inflection on cracks? Installation complex cracks usually outcome from a quick scrape out method, where each and every one one of the earliest urethane bed is not removed prior to installation. If the have an effect on and form of the adding together glass is not identical to the old urethane bed, the glass could have spots of interference upon the adhesive that gain to breaking. Installation connected highlight could as well as be formed by using adhesives that are too rigid and don't find the child support for the compression and flexibility required of the adhesive system. Usually, installation joined emphasis cracks would build sophisticated than time after the adhesive has been allowed to sufficiently cure.

What is tempered glass? Tempered glass is a single piece of glass that is strengthened through a rapid cooling process. This cooling process tempers the glass by blasting both the peak and bottom surfaces in the middle of sky. The outside surfaces of the glass cool faster than the core of the glass. This con sets happening a checking account of strains along in the middle of the surfaces and the core which adds considerable strength to the glass. Tempered glass is compound to crack, but if out of the nameless it breaks into little granular pieces.

How are tempered parts made? Glass of the specified thickness is scratch to the desired size. Any artwork or paint design is applied to the glass while it is in the flat direction. This includes any irate grid lines or antenna lines required upon the unadulterated portion. The glass is loaded into a furnace and is livid to temperatures of 12,000 F. There are fused processes that could be used to alter the glass as it exits the furnace including roll.