Epoxy resin is a polymer with broad applications in the marine, construction, automotive, aerospace and various manufacturing industries.
Careful measuring and thorough mixing of epoxy resin and hardener are essential for epoxy to cure properly. Check the hardener label or the technical data sheet for the correct mix ratio of resin to hardener. Whether you’re applying the epoxy mixture to wet out fiberglass, as a coating or a casting, the following steps will ensure a controlled and thorough chemical transition to a high-strength epoxy solid.
If this is your first time using an epoxy Resins epoxy product, begin with a small test batch to get a feel for the mixing and curing process before applying epoxy to your project. This way, you’ll get a good understanding of the epoxy’s open (or workable) time for the temperature you’re working in, and ensure that you’re properly metering the resin and hardener ratio. Mix small batches until you’re confident of the mixture’s handling characteristics, and because epoxy kicks off faster in larger, contained batches. It’s also a good idea to review epoxy safety protocols.we are best kukdo epoxy resin dealer supplier in pakistan
Dispensing Resin and hardener
Dispense the correct proportions of resin and hardener into a clean plastic, metal, or wax-free paper container. Don’t use glass or foam containers because of the danger of exothermic heat buildup. Do not attempt to adjust the epoxy cure time by altering the mix ratio. An accurate ratio is essential for epoxy to fully cure and develop its physical propertieswe are only kukdo epoxy resin dealer in pakistan .
Applications
Epoxy resin is an incredibly effective adhesive and sealant and has significant resistance to water, chemicals, abrasion, and other physical stressors
Epoxy resin has a wide range of applications designed to exploit the properties of its hardened state, particularly when laminating epoxy is combined with reinforcement materials like carbon fibre and Kevlar.
Achieved via hand-lamination, resin infusion, spray-on coating, casting as well as high-temperature/-pressure environments, the applications of epoxy resin are broad. Indeed, it acts as the matrix phase in many composite parts, as well as being an effective form of surface protection and adhesive. It possesses useful properties such as low shrinkage, high strength, excellent adhesion to several substrates, effective electrical insulation and greater thermal and chemical resistance. we are manufacturer of epoxy resin pakistan
Properties of Expoxy Resin
Epoxy resins usually comprise four main ingredients: monomeric resin, a hardener, an accelerator and a plasticizer. Epoxies are manufactured to a standardised formulation. Yet the properties of the cured resin, namely hardness and flexibility, can be tailored to individual applications by adjusting the ratios of ingredients added.we are best in epoxy flooring , with cheap epoxy resin price in pakistan
| Property | Value |
|---|---|
| Viscosity (cP) | 12,000 – 13,000 |
| Density (g/cm3) | 1.16 |
| Tensile Strength (MPa) | 73 |
| Elongation (%) | 4 |
| Flexural Strength (MPa) | 60 |
| Heat Distortion Temperature (oC) | 100 |
Types of Epoxy Resin
Epoxy resin is categorised into glycidyl or non-glycidyl. Glycidyl epoxies have come glycidyl-ether, glycidyl-ester, and glycidyl-amine subcategories. Non-glycidyl epoxies will either be aliphatic or cyclo-aliphatic. Glycidyl-ether epoxies account for a larger share – especially those of the bisphenol and novolac epoxy types.
Bisphenol Epoxy Resins
Bisphenol-A diglycidyl ether (DGEBA) is a popular commercial-grade epoxy. It is produced by reacting bisphenol-A with epichlorohydrin. This variety of epoxy resin has the lowest molecular weight.
Aliphatic Epoxy Resins
Aliphatic epoxies are produced from either double-bond epoxidation (via cycloaliphatic epoxides and epoxidized vegetable oils) or from a reaction with epichlorohydrin (glycidyl ethers and esters).
Cycloaliphatic epoxides possess one or more aliphatic rings in the molecule housing an oxirane ring. These epoxies have an aliphatic structure, high oxirane content, and are chlorine-free. They have low viscosities, good weather resistance, low dielectric constants, and high Tg.
Novolac Epoxy Resins
Novolac epoxies are produced by reacting phenol with methanol (formaldehyde).
The epichlorohydrin-novolac reaction leads to the formation of Novolac epoxies with a glycidyl residue that includes epoxyphenol novolac (EPN) or epoxycresol novolac (ECN). These resins are free from solvents and VOCs, so can be used without a respirator if needed. They have good adhesion, durability and strength.
Halogenated Epoxy Resins
Halogenated epoxies are mixed with other ingredients to achieve specific characteristics. Brominated and fluorinated ingredients are added to provide flame resistance (via brominated bisphenol A) and fluorinated compounds for electrical applications. One drawback of such resins is the increased cost.
Epoxy Resin Diluents
Epoxy diluents are resins formulated with other ingredients such as solvents to change the viscosity of the resin. Production requires the glycidylation of aliphatic alcohols or polyols. Products are either monofunctional (e.g. dodecanol glycidyl ether), difunctional (butanediol diglycidyl ether), or have a higher functionality (e.g. trimethylolpropane triglycidyl ether).
Glycidylamine Epoxy Resins
Glycidylamine epoxies have a high degree of functionality. They are formed based on the contact reaction between aromatic amines and epichlorohydrin. Many of these have low-medium viscosities at room temperature.get best kukdo epoxy resin dealer price in pakistan