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I-Minerals Operations Update

Vancouver, British Columbia–(Newsfile Corp. – September 18, 2019) – I-Minerals lnc. (TSXV: IMA) (OTCQB: IMAHF) (FSE: 61M) (the “Company”) is pleased to provide a status update on its ongoing halloysite & metakaolin project and pre-feasibility study. Pilot plant production of halloysite and clay at Ginn Mineral Technologies (GMT) is nearing completion. As noted in the Company’s press release of January 15, 2019, 60 tons of primary clay were shipped to GMT for processing. Once all the product is dried, a total of approximately 5 tons of halloysite and 6 tons of kaolin is expected.

The kaolin will be sent to FLSmidth in Allentown, PA for flash calcination to produce metakaolin. Once calcined, the metakaolin will be sent for milling and testing to confirm previous results. Metakaolin previously produced at bench scale utilizing a similar flow sheet generated very good ASTM C618 results for water demand and Strength Activity Index (“SAI”).

The current pilot plant has also produced the two halloysite products; HalloPure (approximately 75% halloysite and 25% kaolinite) and Ultra HalloPure (95% halloysite and 5 % kaolinite). Some of the HalloPure has been sent for further processing to make an air / gas filtration product. Previous testing in Germany by DURTEC GmbH demonstrated strong results in a biogas filtration application. Initial testing of the filtration halloysite product will be for odor control and other applications in conjunction with a major licensed cannabis producer.

The Prefeasibility Study being undertaken by Millcreek Engineering of Salt Lake City, UT, for an operation capable of producing up to 10,000 tons per year of halloysite and 20,000 tons per year of metakaolin is currently about 60% complete. At this stage production of highly beneficiated k-feldspar and quartz is not envisaged but the operation may produce a feldspathic sand which will be screened and sold into various markets. The option remains for some production of high-quality k-feldspar and quartz in the future should market conditions allow.

The mine plan is being amended focus on areas of the resource with higher halloysite and kaolin content. Preliminary estimations suggest a material improvement in grade is achievable while still defining an initial 20 plus-year mine life. The combination of higher-grade material and smaller pits is expected to have a positive impact on mining costs.

“We are encouraged by the developments to date on the halloysite & metakaolin prefeasibility study,” stated John Theobald, President and CEO of I-Minerals, “our aim is to develop a lower capital cost project bringing exceptional quality halloysite products into the USA and international markets and to be the only producer of high quality metakaolin in the west of the USA”.

A. Lamar Long, CPG, is a qualified person (“QP”) for I-Minerals Inc. and has reviewed and approved the contents of this release.

About I-Minerals Inc.

I-Minerals is a Canadian based exploration and development company that is advancing the Helmer-Bovill kaolin-halloysite-quartz-potassium feldspar property in north central Idaho.

I-Minerals Inc.

Per: “John Theobald

John Theobald, President & CEO

This News Release includes certain “forward looking statements” within the meaning of the United States Private Securities Litigation Reform Act of 1995. Without limitation, statements regarding potential mineralization and resources, exploration results, and future plans and objectives of the Company are forward looking statements that involve various risks. Actual results could differ materially from those projected as a result of the following factors, among others: changes in the world-wide price of mineral market conditions, risks inherent in mineral exploration, risk associated with development, construction and mining operations, the uncertainty of future profitability and uncertainty of access to additional capital.


Barry Girling
877-303-6573 or 604-303-6573
Email: [email protected]
Or visit our website at www.imineralsinc.com

Paul J. Searle, Investor Relations
877-303-6573 or 604-303-6573
Email: [email protected]


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To view the source version of this press release, please visit https://www.newsfilecorp.com/release/47865


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