What is glass glue

Glass adhesive is a kind of adhesive commonly used in the home. The main component is sodium silicate (Na2O·mSiO2), which is easily soluble in water and sticky. In the south, it is also called water glass, and in the north is also called silicate.

Sodium silicate is a colorless, slightly colored, transparent or translucent, viscous liquid in systems using water as a dispersant.

Solid sodium silicate is a colorless, slightly colored transparent or translucent glass block.

The morphology is divided into liquid, solid, and water quenched. Theoretically, these substances are called "colloids."

Ordinary sodium silicate is slightly bluish blue or granular solid, which is a slightly colored transparent or translucent viscous liquid after dissolution at high temperature and pressure.

1. Good or bad glass glue can be examined from the aspects of viscosity, pulling force, whether it is mildewproof, easy to clean, whether it will change color, etc. From the color point of view, glass glue has various colors, white, black, color, etc., as well as transparent colour.

2, acidic silicone glass adhesive: a wide range of bonding, for most of the building materials such as glass, aluminum, oil-free wood has excellent adhesion. However, it cannot be used for bonding ceramics, marbles, etc.

3, neutral silicone glass glue: can be used to bond ceramic sanitary ware, marble and so on.

4. There are many types of glass glue on the market, such as acidic glass glue, neutral weathering glue, silicic acid neutral structure glue, silicone stone glue, neutral mold glue, hollow glass glue, aluminum plastic board special glue, aquarium tank Special glue, special glue for big glass, special anti-mildew glue for bathroom, acidic structure glue and so on.

Before buying glass glue, read the instruction manual carefully.

Although the glass glue is very inconspicuous, it is the most frequently used accessory material in the home improvement process, such as the adhesion cabinet top surface and the kitchen wall surface, the fixed washbasin and the toilet and the like. Some consumers, because they do not understand the properties of glass glue, often casually “go to two bottles”. No matter what materials are used for bonding, they all use the same type of glass glue. In fact, different conditions apply different properties of glass glue. If you use the wrong glass glue, it will cause the tape to break, mold, and even the windows leaking, tabletop leaks and other troubles, so consumers should buy glass glue according to specific purposes.

Different performance usage

Home improvement glass glue is mostly silicone material, divided into three types according to the nature: neutral glass glue, acidic glass glue and water-based glass glue. Acidic glass adhesive has strong adhesive force, certain corrosivity to some materials, limited applicable material, and irritating taste; Neutral glass adhesive is used for marble, metal, glass and other materials, and the pungent taste is smaller, but the adhesive force Relatively weak; water-based glass adhesive, weak adhesion, curing process is slow, but after drying it can be painted on the top, used in the home improvement process is less.

Many people do not understand the properties of glass glue, it is easy to use neutral glass glue and acidic glass glue to reverse, causing unnecessary trouble, such as the installation of a mirror with acidic glass glue will cause the mercury on the back of it to be corroded.

Most of the glass glues sold on the market today are also equipped with functions such as mildew proofing, weather resistance (high temperature resistance, low temperature), etc. Consumers should choose according to actual needs. In general, bathroom basins and toilets, kitchen countertops should be selected with a mildew resistant glass adhesive, acidic or neutral can be; metal ceiling, shower room, mirror should choose mold neutral glass adhesive , And can not use acidic; smoke machine stoves, windows should choose weatherable neutral glass glue. Fish tanks have high requirements for the waterproof and adhesive properties of glass glue. Acidic structural sealants and polyurethane-based new glass glues should be used. However, the price is relatively high. A bottle of 300 ml glass glue is about 100 yuan.

Most of the glass glue packaging will be marked on the sticky material, and some will indicate the bonding strength of different materials. It is best for consumers to carefully read the instructions for use when purchasing glass glue.

According to reports, ordinary 3 bedroom 2 hall house may need to use about 15 glass glue, to midrange glass glue price 25 yuan / support to calculate, you need about 600 yuan. In addition, in the renovation process, some construction teams often wait until the time when the owners are notified to buy plastic glass, and some owners in order to figure cheap, greedy, to the nearest market to buy low-priced plastic, buy a bad product is very likely.

Although low-grade glass glue is cheap, some can even buy a bottle for a few dollars, but its bonding strength (viscosity, tensile strength), crack resistance, shrinkage resistance, aging resistance and other properties are much worse than brand glass glue, not only Affecting the project quality, service life, and heavy may also result in rework and delays. Therefore, when consumers purchase glass glue, they should still shop around to avoid affecting the interior decoration life.

So, how can we buy qualified glass glue? First of all, consumers are better able to buy branded glass glue from well-known stores; secondly, they can look at whether the information on the packaging is complete and true, such as the name of the factory, the date of manufacture, whether or not there is a certificate, a quality guarantee, a product inspection report, etc.; Consumers can first buy a bottle of home to inspect the gum to see if the smell is unpleasant, whether there are particles and bubbles, and whether the curing time meets product specifications.

Service life is usually 5 years

When using glass glue, there are some things to pay attention to, otherwise it will affect the service life of glass glue.

The life of ordinary glass glue is more than 5 years, even if the high-grade glass glue, its life is only seven or eight years, so to a certain number of years, you should pay attention to whether the glass glue at home should be replaced; glue should find a professional Operation, to avoid uneven play, not smooth; glue surface should be no oil, no pollution, no water; glue can not be used within 24 hours after the plastic appliances. The shelf life of glass glue is mostly between one year and one and a half years. After the shelf life of glass glue will be unable to use due to curing, the shelf life of glass glue after opening will be shortened accordingly. The degree of glass glue curing should be carefully checked before use.

Note: Glass glue is not toxic, but it is generally corrosive! Details are as follows:

Glass adhesive is a one-component elastic deacidification room temperature vulcanized silicone sealant, with silicone rubber as the main raw material, adding reinforcing agents, cross-linking agents, antioxidants, accelerators, plasticizers, etc. to advanced Process synthesis of single component room temperature vulcanized (RTV) sealant, good resistance to atmospheric aging. It can be used for the sealing of general building materials such as glass, ceramics and aluminum alloys, oil-free wood, bricks, tiles, etc. It can be used for waterproofing, but it cannot be used for the assembly of structural glass.

Instructions

â—† Remove contaminants such as moisture, grease and dust on the surface of joints, and use solvents (such as xylene and butanone) as appropriate.

Clean the surface, then wipe all the residue with a clean rag to make it fully clean and dry.

â—† Cover the surface near the interface with plastic tape. To ensure that the working line of the seal is perfect and neat.

◆ Cut the nozzle of the hose, install the nozzle, and then cut it by 45° according to the size of the joint.

◆ Put on the glue gun and keep the plastic material pressed along the gap at an angle of 45° to ensure the close contact between the rubber and the substrate surface. When the seam width is greater than 15 mm, it is necessary to repeatedly apply glue. After gluing, use a knife to trim the surface, remove the excess rubber, and then remove the tape. If there is any stain, remove it with a damp cloth.

â—† The surface of the sealant is vulcanized after 10 minutes at room temperature, and it takes 24 hours or more to fully vulcanize, depending on the thickness of the coating and the temperature and humidity of the environment.

【Precautions】

â—† The glue is acidic. When it is used in large amounts, ventilation at the construction site should be maintained.

â—† Avoid long-term skin contact with sealant. If the unvulcanized rubber sticks into the eyes, rinse immediately with plenty of water or see a doctor.

â—† Do not allow entrance and keep children out of contact.

â—† The remaining rubber is tightly sealed so that it will not be exposed to air and vulcanized.

â—† Non-dangerous goods are stored and transported, stored in a low-temperature and dry place, the shelf life is more than 6 months from the date of production

Different properties of glass glue are different

In fact, the commonly used glass glue in home decoration is divided into two types according to performance: neutral glass glue and acidic glass glue. Many people do not understand the properties of glass glue, it is easy to use neutral glass glue and acidic glass glue. A person who has long been engaged in sales of glass glue told reporters that this is the biggest problem in the use of glass glue in home improvement. Consumers often say "to two bottles," irrespective of their use. In fact, this gap is quite large.

Generally, glass glue is used in home improvement: dull mouths on the back of wooden lines, sanitary ware, toilets, makeup mirrors in the bathroom, crevices in sinks and walls, and so on. These places use different properties of glass glue. Neutral glass adhesives are weaker and are generally used on the back of bathroom mirrors where they do not require strong adhesion. Neutral glass glue is used more often in the home, mainly because it does not corrode objects, and the acidic glass glue is generally used in the dull mouth of the back of the wood line, and the adhesive force is very strong.

Use plastic glass to pay attention to mildew

The use of glass glue is also very important: Do not use mildew. For example, many glass glues are used in bathrooms. Toilets are already very wet and easy to mold. Therefore, glass glue must be mold-proof. General glass glue bottle will explain, must see. In addition, some of the poor quality glass glue does not have such a function at all, so be sure to recognize it at the time of purchase.

Buy plastic glass cheaper quality is very important

At present, the quality of glass glue on the market is mixed, and the simple way is to judge the quality of the glass glue through the brand and price. When buying, try to choose the brand of glass glue, they are guaranteed in quality, especially in the packaging of these brands of glass glue will have detailed product descriptions to facilitate the purchaser to distinguish performance.

In terms of price, each bottle of household glass glue is generally around 7-8 yuan, and better glass glue is around 30 yuan per bottle. However, there are also two or three yuan per bottle on the market. The quality of such glass glue can be imagined. Therefore, when choosing a product, the purchaser must not be cheap.

Select glass glue to see instructions

The instructions on glass plastic packaging must be taken into consideration. Sometimes the same brand products will be divided into series and grades. There will be notes on the description, such as 5, 7 levels, these levels will correspond to a certain range of use and categories. At present, there is no uniform standard for the industry in China, but foreign brands of glass glue will have a unified standard. For example, sanitary ware should use grade 7 glass glue.

1. Good or bad glass glue can be examined from the aspects of viscosity, tension, whether it is mildewproof, easy to clean, whether it will change color, etc. From the color point of view, glass glue has various colors, white, black, color, etc., as well as transparent colour.

2, acidic silicone glass adhesive: a wide range of bonding, for most of the building materials such as glass, aluminum, oil-free wood has excellent adhesion. However, it cannot be used for bonding ceramics, marbles, etc.

3, neutral silicone glass glue: can be used to bond ceramic sanitary ware, marble and so on.

4. There are many types of glass glue on the market, including acidic glass glue, neutral weathering glue, neutral structure of silicic acid, silicone stone glue, neutral mildewproof glue, hollow glass glue, special aluminum-plastic board glue, and aquarium tank. Special glue, special glue for big glass, special anti-mildew glue for bathroom, acidic structure glue and so on.

Silicone glass adhesive

First, classification:

Silicone glass adhesives can be divided into two categories from product packaging: one-component and two-component. The one-component silicone adhesive cures by changing the physical properties of the air in contact with moisture; two-component means that the silicone adhesive is divided into two groups, A and B. Any group that exists alone cannot be cured. However, once the two sets of glues are mixed, they will solidify.

Commonly used in the market is a single-component silicone glass glue, this article describes the main type of glass glue.

Single-component silicone glass adhesives are divided into two types, acidic gels and neutral gels.

Acidic glass glue is mainly used for general bonding between glass and other building materials. Neutral gel overcomes the characteristics of acidic gels that corrode metal materials and react with alkaline materials, and therefore has a wider range of applications. Its market price is slightly higher than that of acidic gels.

A special type of glass adhesive on the market is a silicone structural sealant. Because it is directly used for metal and glass structure or non-structural adhesive assembly of glass curtain walls, the quality requirements and product grade are the highest among glass adhesives. The market price is also the highest.

Second, briefly:

One-component silicone glass adhesive is an ointment that, when exposed to the moisture in the air, cures into a tough, rubbery, solid material.

Silicone glass adhesive has strong adhesive force, large tensile strength, weather resistance, vibration resistance, moisture resistance, odor resistance, and adaptability to large changes in heat and cold. Combined with its wider applicability, it can achieve the bond between most building materials, so the application value is very large.

Silicone glass sealant does not flow because of its own weight, so it can be used in the joints of the ceiling or side walls without sagging, falling or running away. It is mainly used for dry clean metal, glass, most non-greasy wood, silicone resin, vulcanized silicone rubber, ceramics, natural and synthetic fibers, and many paint plastics surface bonding. The use of good quality silicone glass gels at temperatures below zero degrees Celsius does not result in squeezing or physical changes. Fully cured silicone glass adhesives remain effective at temperatures up to 204°C (400°F), but the effective time is shortened at temperatures up to 218°C (428°F).

Silicone glass glue has a variety of colors, commonly used colors are black, porcelain white, transparent, silver gray, gray, bronze six kinds. Other colors can be customized according to customer requirements.

Third, use

(A), acidic glass adhesive

1, suitable for sealing, plugging leakproof and weatherproof purposes, both indoor and outdoor (improved indoor effect), anti-seepage leak-proof effect is remarkable.

2. Bonding various interior decorations of automobiles, including: metal, fabrics and organic fabrics and plastics.

3. Join gaskets on heating and cooling equipment.

4, the installation of non-threaded ribs, nameplates and paint plus plastic materials on the metal surface.

5. Seal the window on the oven door, the flue on the gas appliance, the pipe joint, and the access door.

6. Provide real-time formed leakproof pads for gearboxes, compressors, and pumps.

7, the shiphouse and the window seal.

8, trailer, truck cab glass window seal.

9, bonding and sealing equipment components.

10. Form a wear-resistant coating.

11. Inlaying and filling thin metal laminations, duct networks and equipment enclosures.

(II) Neutral Weatherproof Adhesive

1. Suitable for weatherproof sealing of various curtain walls, especially recommended for weatherproof sealing of glass curtain walls, aluminum-plastic panel curtain walls, and stone dry hanging;

2, metal, glass, aluminum, ceramic tile, organic glass, coated glass joint sealing;

3. Joint sealing of concrete, cement, masonry, rock, marble, steel, wood, anodized aluminum, and painted aluminum surfaces. Primer is not required in most cases.

(III) Silicone Structural Adhesives

1, mainly for the glass curtain wall of the metal and glass structure or non-structural adhesive assembly.

2. It can connect the glass directly to the surface of the metal component to form a single assembly component, meeting the design requirements of the fully hidden or semi-hidden curtain wall.

3. Structural adhesive sealing of insulating glass.

Various silicone glass adhesives are subject to the following restrictions when used:

1. It is not suitable for long-term flooding in construction;

2. Do not dissolve with grease, plasticizers or solvents.

3, frost or wet surfaces can not be bonded;

4, completely closed can not be cured (silica gel requires moisture in the air curing);

5, the substrate surface is not clean or weak.

(A), acidic glass glue has the following restrictions:

Acidic silicone glass adhesives can corrode or not bond copper, brass (and other copper-containing alloys), magnesium, zinc, and electroplated metals (and other zinc-containing alloys).

Do not use acidic glass glue on masonry-made articles and iron carbide substrates, made from methyl methacrylate (PLEXIGLAS), polycarbonate, polypropylene, polyethylene, and TEFLON (Teflon, Teflon) The use of this product on the material will not be able to obtain a good bonding effect and good compatibility. Connections larger than 25% of the joint width are also not suitable for the use of acidic glass adhesives. It is also advisable not to use common acidic glass adhesives (except for the acidic structural adhesives) on structural glass. In addition, there should be no place where there is abrasion and that will cause substantial defects. Use acidic glass glue. The temperature of the surface of the base material of the silicone acid gel is more than 40°C.

(B), neutral weathering glue also has the following restrictions:

Neutral weatherproof adhesive is not suitable for structural glass assembly; substrate surface temperature exceeding 50°C is not suitable for construction.

(C), silicone structural glue also has the following restrictions:

The surface temperature of the silicone structural adhesive substrate exceeds 40°C.

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Glass adhesive is a kind of adhesive commonly used in the home. Its main components are sodium silicate and acetic acid and organic silicone. Sodium silicate is soluble in water and sticky. In the south, it is also called water glass. In the north, it is also called silicate. Glass glue is a material that bonds and seals various glasses with other substrates.

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Glass adhesive is a kind of adhesive commonly used in the home. The main component is sodium silicate (Na2O·mSiO2), which is easily soluble in water and sticky. In the south, it is also called water glass, and in the north is also called silicate. Glass glue is a material that bonds and seals various glasses with other substrates. There are two main categories: silicone rubber and polyurethane (PU). Silicone rubber is divided into acidic gel and neutral gel. Neutral gel has structural adhesive and sealant and weatherproof adhesive. Polyurethane adhesive glue and sealant. Good or bad glass glue from the viscosity, tension, whether it is anti-mildew, whether it is easy to clean, whether it will change color and other aspects. From the color point of view, glass plastic has a variety of colors, white, black, color, etc., as well as transparent color. Next Xiaobian introduced the top ten brands of glass glue for 2016.

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Glass glue is a kind of adhesive commonly used in the home. Its main components are sodium silicate and acetic acid and organic silicone. Sodium silicate is soluble in water and sticky. In the south, it is also called water glass. In the north, it is also called silicate. If the glass glue gets on the hand, on the glass, on the floor, etc., it will be harder to remove after being solidified.

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Hello, The best days for your renovation work in 90 days are:

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