G.H. Chemicals is the current manufacturer of IRM 91 (ASTM) zinc oxide reference material and can arrange to ship any quantity required around the world. The IRM 91 zinc oxide is packaged in standard quantities of 250 and 500 grams, as well as 10 kilograms.
Please enter your relevant information below and a G.H. representative will respond to your email request. You may also contact us via telephone at (450) 774-9151, extension 231 if you wish to speak to a GH representative.
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