What are the similarities and Differences between Adhesives and Glue?
Both Adhesives and Glue are used for adhesion. Pasting of Materials or surfaces together is the purpose of Glue as well as adhesives.
Adhesive need not necessarily be glue. On the contrary glue are adhesives.
Adhesives are synthetic, while glues come from natural resources.
Glues have been derived from natural resources, and are considered to be a safer option to use as compared to adhesives.
However various types of glues and adhesives are manufactured for various different gluing application purposes.
What are Adhesives?
Adhesives are synthetic sticky substances used to stick objects, and material surfaces together.
Types of Adhesives
Reactive adhesives and non-reactive adhesives are the two primary categories of adhesives.
Reactive adhesives are applied under heat. Reactive adhesives give adhesion results on cooling.
Non-reactive adhesives include drying adhesives and contact adhesives.
Drying adhesives are adhesives, that are dissolved in a solvent. The solvent is evaporated to achieve the sticking action of substance or products. The Dry adhesives become hard on evaporation to perform the adhesion of the desired substances.
Drying adhesives may be weak or strong and are manufactured as per strength requirements.
Apply contact adhesives to both products, substances, or surfaces for adhesion. Contact adhesives need a time period to react between the concerning surfaces to perform the adhesion process.
Hot melt adhesives
Hot melt adhesives are applied on hot surfaces with a glue gun. The adhesion/ sticking happens when the surface hardens as the material cools.
Construction adhesives are very hard and possess strong adhesion properties. Construction adhesives include polymer adhesives, acrylic adhesives, hot melt adhesives, and resin adhesives.
Polyurethane adhesives are polymer-based adhesives having very high adhesion and strength and are normally used in construction.
Pressure-sensitive adhesives operate with light pressure and need to apply on the desired surfaces accordingly with slight pressure to perform the sticking.
Tile adhesives function for tile fixing in flooring work, in the construction industry.
Cement applied to tile joint tiles leaves hollow spaces, below the floor surface. Tile adhesive fixes the tile bonding and provides durable tile fixation.
Epoxy adhesives function as strong, and long-lasting metal-to-metal bonds, and bonding solutions for metal surfaces and concrete surfaces as well. The epoxy adhesive also works as a hardener.
Types of Adhesive Tapes
Adhesive tapes can be categorized into pressure-sensitive tapes, paper tapes, graffer tape fabric tapes, and specialty tapes.
Handmade tape can also be used as a decorative element in arts and crafts, similar to decoupage.
A type of pressure-sensitive tape consisting of a paper layer or fabric backing coated with a pressure-sensitive adhesive is paper tape. It is most often used to repair cardboard boxes or packages, or to wrap packages, but is also extensively used in the postal industry. Paper tape is thin, easily torn, and not very strong, and hence easy to apply and remove.
A gaffer tape is a type of tape for binding materials. It is commonly used by film crews to bind and hold lighting fixtures, cables, and power cords together so that they don’t move and fall when being used.
Gaffer Tape, and Tapes for carpet, foam, and natural vegetation. Self-Adhesive Tapes, Non-Woven Adhesive Tape Wholesaler in India
Self-adhesive tapes use high-purity raw materials, are high-performance adhesive, durable, and have good anti-aging, anti-aging, and anti-aging functions. The tapes can be peeled off and repositioned.
Raw material: Non-woven fabric + adhesive.
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Tapes that can be used both indoors and outdoors.
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Transparent adhesive Tapes
Transparent adhesive tapes are used for decorative purposes, and other tape products have specific applications.
One of the main applications of tapes is in packaging – to seal the contents in the package. The adhesive backing can be cellophane, paper, or plastic. Typically, the tape is wound onto a spool and the end of the tape is then manually applied to the package. Large-scale commercial packaging applications may use automatic tape application machinery.
Pressure-Sensitive Adhesive Tape
Pressure-sensitive Adhesive Tape is a generic term for all tapes based on the layer structure of the adhesive and with the SCOTCH tape as a reference. There are many tape types, each with specific properties and applications. The main distinction between them is on the basis of the carrier material: paper, plastic films, and synthetic films.
Pressure-sensitive tapes such as duct tape are used in almost all kinds of industries, including construction, HVAC, and automotive. Specialty tapes such as masking tape and painter’s tape are used in auto body shops and commercial painters. Fabric tapes such as this metalized insulation tape are used in data centers and power plants.
Double-sided Adhesive Tapes
In engineering, double-sided adhesive tapes are used in a wide range of applications. In the automotive industry, double-sided adhesive tapes are used in interior applications such as lining the doors and covering the dashboard with carpet. Double-sided adhesive tapes are used in the manufacture of printed circuit boards to hold the components in place during soldering. An example application is the formation of interconnecting solder bumps.
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What is the Glue?
Glue is a sticky substance to stick materials or surfaces, and is derived from natural resources which include plants and animal byproducts.
Glue stick is a handy and convenient use sticking product.
Stick glue is mostly used for school craft purposes to stick cardboards, and paper; and to stick envelopes, and papers for office purposes.
Various stick glue brands are available in the market. Fevistick is one of the most popular stick glue under the brand name of the Fevicol company. Fevistick is available in various sizes and prices.
Double-sided tape, also known as two-sided tape, is an acrylic foam tape having sticking material on both sides.
Double-sided tape is used to apply on various surfaces, including wooden products, wall tiles, and floor tiles. Also, use two-sided tape for decoration purposes and home interior designing and exterior works. Moreover, the two-sided tape is used for fixing the Chrome Handle, Side Moulding Attachment, the house Name Plate pasting, Door Visor, Interior Trim, Mirror Attachment, and Rocker Attachment.
3 M attachment tape is made of acrylic foam that gives viscoelasticity and is very popular in designing interiors & exteriors to attain strength and achieve long-lasting bonds.
Size of two-sided tape 3 M attachment tape: 10 Meter (length) X 12mm (width).
The pressure-sensitive tape has an adhesion coating, with thin liner protection. The liner prevents the adhesive tape from exposing the glue/ adhesive coat. Once the liner is removed, the tape is ready to apply. When the adhesive tape is applied with pressure on surface material like plastic, paper, card sheet, or cloth, the adhesion action is done.
A glue gun, as the name suggests is a hand-operated gun-shaped tool, that melts the glue and applies adhesive sticks over surfaces. A glue gun is used to apply glue to wood, glass, and materials for crafts.
Hot Glue Gun
Hot-melt glue guns involve relatively hotter glue, compared to glue guns, making a stronger bond. A hot gun applies heat to the power of electricity. The glue stick gets hot up to the melting point of the adhesive and then the glue becomes ready to apply.
The hot glue gun material bonding effect can be removed or reduced by heating the glue to re-melt it. Hot-melt glue guns can also be used for the temporary bonding of materials. This applies to temporary structure requirements.
Hot-Melt Glue Gun Working Process
Glue guns have a glue filling arrangement, accordingly fill in the glue in the gun.
After filling glue in the hot glue gun, plug in the wire of the gun, in the socket. Turn on the electrical switch, and the tip of the gun starts heating.
Avoid touching the gun tip because it becomes very hot. Wait for 8 to 10 minutes for the tip of the hot glue gun to become hot enough.
Once done, push the trigger to apply the hot melted glue to the adhesive sticks. Join the desired sticks and leave them for cooling. Once cooling is complete, adhesion is achieved.
Tips for use of Glue Guns
Standard temperature hot glue guns are great for most types of projects, including projects with electronic components.
The disadvantage of using a standard temperature glue gun is that the glue melts more quickly which makes it hard to work with smaller amounts of glue fast enough.
Low-temperature glue guns will allow you to work with small amounts of glue faster, however, the downside is that it does not melt as quickly when you want to use larger amounts of glue, like for a larger surface area.
Some project builders might need more than one kind of glue gun. For example, an artist might use a low-temperature gun for projects that require little glue and a standard temperature gun when building functional art. Workers who do production runs might want an adjustable temperature gun to keep the glue hot but not burn or damage the materials being glued.
Standard temperature hot glue guns are the most commonly used type of glue gun.
Standard temperature guns are great for most uses but, at the high temperatures, they run at may be problematic for some materials.
Low-temperature guns have a much lower melting temperature (around 200°F) and are generally recommended for more delicate materials, such as coatings and polystyrene.
Adjustable temperature guns allow you to set the temperature to match whatever you are working with and are generally a great choice.
When shopping for a glue gun, be sure to read the description to see that you’re getting the type of glue gun you want.
Standard or high-temp glue guns produce a lot of heat and can be used for gluing anything from wood to leather. They’re great for when you’re working with a delicate material that can easily burn if exposed to the intense heat of a low-temperature glue gun.
Low temp glue guns are good for final crafts, such as sanding, painting, and varnishing. Adjustable temperature guns are great for those that may need to convert a high temp glue gun to low temp, or vice versa depending on the project.
Fabric glue bonds one fabric to another fabric, and is normally used for natural as well as synthetic fibers.
Fabric glue is used for sticking and bonding foils, lace, Decorative Articles, and ribbons, to replace the sticking activity.
Fevicryl 30 ml pack is a fabric glue product, that dries in about 24 hours after applying. Fevicryl fabric glue weighing 80 ml, includes 4 packets, made by the Fevicol company provides good bonding solutions.
White Glue/ Wood Glue
Carpenter’s glue, a polyvinyl acetate adhesive is widely used for woodworking. White wood glue is water-proof when it becomes dry and is used to fill in and tighten wood cracks and bond wood pieces together. Once the wood glue is applied to the desired wooden material, clamps are applied to tighten the adhesion and the bond, to achieve much better-holding power.
Wood glue is a white liquid that is a thick and very effective adhesion solution used in the furniture manufacturing industry, for surfaces including plywood, timber, and paper. Fevicol is one of the popular white glue products, well-known amongst woodworking companies in India.
PVA Glue or Polyvinyl Acetate Adhesive is used to bond wood to wood.
Cyanoacrylate is a super glue that bonds one metal surface to another metal surface.
Loctite Glass Glue, an instant glass glue, is known as super glue used for bonding glass to glass, and glass to other materials as well. Super glue gives fast joints, and durable bonding performance and is used for clear, colored, and tinted glasses. Epoxy glue is Glass to Glass Glue.
Cyanoacrylate adhesives, known as superglues, are acrylic resins, that bond glass to glass, and other materials, and repair small glass cracks, and glass breaks.
Best of the plastic glues include super glue, and epoxy and are used as per the application requirements. Super glue, cyanoacrylate is easy to apply and dries quickly, is used for small purposes. Liquid epoxy glue generates strong bonding.
What are Sealants?
Sealants are filler functioning substances to fill in between surface gaps to join surfaces together.
In construction, the sealant fills in fluid gaps to make the surface watertight. Sealants are also used to make a surface airtight by filling the cavities. The product or the surface of the material movement is blocked.
Sealant functions as a sealer. Sealants are flexible substances capable to block fluids inflow through joints, blocking dust, and sand through small openings, and blocking heat, and sound.
The sealant seals and prevents water leakage. Sealant is used in construction for surfaces to close the openings and gaps, which is not possible to be done with cement.
- High viscosity Sealants are used mostly for vertical surface filling to avoid fluid flowing.
- Low viscosity sealants are beneficial for horizontal joints, to spread across the surface. evenly.
- Weather Resistance sealants are relatively needed to be more flexible sealant substances.
- Sealant movement enables the travel of sealant for filling all over the surfaces
- Hard sealants. The more the hardness of sealants, the more the capacity to resist deformation.
Dental sealants are used to prevent tooth decay.