Polish deutsch english česky About company The company's history core business Our offer raw clays G1 G2 G3 G4 GB sealing GU ground clays burnt clays ground roasted clays light fireclay unformed refractory products. refractory aggregates chamotte mortar construction aggregates earth masses non-hazardous waste offer from JAROMECH Sp. z o. o Quality policy Contact form contact Raw clays G1 G1 Chemical analysis SiO 2 % 54 - 56 Al 2 O 3 % 37 - 39 * TiO 2 % max 1.0 Fe 2 O 3 % 2.2 - 2.7 * CaO % max 0.4 MgO % max 0.6 For 2 O + K 2 O % 1.5 - 2.1 Humidity % max 22.0 Ordinary fire resistance sP min. 175 * Mineral composition Kaolinite % min. 72 Ilit % max 23.0 Quartz % max 3.0 Loss on ignition % 11.0 - 14.0 * Screen residue 0.063 mm % max 2.0 * Colour Method of packaging in bulk * - reception parameters Copyright Jaro SA All rights reserved. Realization: Corsario.pl Close it Important: The website uses cookies. As part of our website, we use cookies to provide you with services at the highest level, including in a manner tailored to individual needs. Using the website without changing the cookie settings means that they will be stored on your end device. You can change your cookie settings at any time. More details in our Cookies Policy .