Resin Capsules Are Used as Anchoring Medium and Have Application in Various Industries Such As Mining, Construction and Manufacturing


Resin capsules are an anchoring system that is widely used in the mining sector for supporting underground excavations. Its properties, such as controlled setting time, reliability, distributed anchorage and chemical & corrosion resistance, make it an effective product for rock mass stabilization. Resin capsules are a type of high-performance fastener that is used in the construction sector to hold anchor bolts on sidewalls and roofs. These fasteners provide a strong, reliable, and lightweight alternative to cement-based fasteners. They also have a higher bond strength and are corrosion-resistant.

A typical resin consists of a mixture of fumaric acid and phthalic anhydride, which is esterified with propylene glycol for producing an acrylic-polyester resin. It is then combined with a curing accelerator and filler like dolomite, limestone, or any other mineral. This resin is then molded to a two-compartmented container by forming and assembling the edges and sheet on a conventional apparatus, which can be either hand or powered. The outer container is then filled with the resin, while the inner container is filled with the catalyst. These resins can be formed into capsules by cutting the ends at fixed lengths. The inner and outer containers are then heat sealed together.

According to Coherent Market Insights the Resin Capsules Market Industry Insights, Trends, Outlook, and Opportunity Analysis, 2022-2028.

Some of the key applications of resin capsules include rock bolting, tunneling, and dam construction. It is a safe, convenient, and effective method of anchoring in a variety of concrete structures. Its ease of installation, long shelf life, and resistance to weathering are some of the advantages. However, there are a number of challenges, such as short shelf life, health hazards, and volatile raw material prices.

Electrolube is launching their new encapsulation resins especially designed for the Indian market in February 2020 at the India’s Electronics Week, KTPO Trade Center in Bengaluru. These new resins have been manufactured using locally sourced materials so as to ensure delivery within short lead times and highly competitive pricing.

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