Ningbo Actmix produce and supply the excellent retarder for natural and synthetic rubber, suitable for EPDM, NBR & HNBR, obviously delay the scorching time, but not affect the curing speed. Actmix®Retarder E-80 & Actmix®CTP-80, Actmix®CTP-50 can application for the automotive rubber sealing system, rubber tyres etc rubber products.
Actmix®Retarder E-80 is an excellent environmental retarder for natural and synthetic rubber, suitable for EPDM, NBR and HNBR,it obviously delay the scorch time, but not affect the curing speed. Especially for thiuram vulcanization system, and can be used as the second promoting agents to reduce curing time and improve production efficiency.
Rubber Scorching Retarder,Pre-dispersed Rubber Retarder,Rubber Predispered Scorch Retarder,PDM Rubber Scorch Retarder Ningbo Actmix Rubber Chemicals Co., Ltd. , https://www.actmixchemicals.com
Basic method of fluorite sorting
Fluorite is often associated with quartz , calcite , barite and sulfide ore. Flotation is widely used at home and abroad to enrich fluorite. Especially, high-purity fluorite powder is used for flotation. For the quartz-fluorite type ore, a rough grinding process, coarse concentrate regrind, and multiple selected processes are used. The pharmaceutical system often uses sodium carbonate as a regulator and is adjusted to alkaline to prevent the activation of quartz by multivalent cations in water. When using fatty acids as a collector , adding an appropriate amount of water glass to inhibit silicate-like gangue minerals . For carbonate-fluorite type ore, fluorite and calcite are used as collectors for strong adsorption. The production is usually mixed with flotation, and then the separation of fluorite and calcite is carried out to improve fluorite. grade ore; inhibitors of calcium-containing mineral water glass, sodium meta-phosphates, lignosulfonates, dextrins, tannic acid, oxalic acid, in order to enhance the effect of suppressing, in a combination of multiple agents in the form of floating mineral slurry was added. Sulfide Ore - fluorite minerals, mainly containing zinc, lead-based mineral, associated minerals of fluorite, when the first floating beneficiation of sulfide ore, fluorite flotation tailings can then be treated individually as fluorite, press Selecting the fluorite process for multiple selections can still achieve satisfactory results. To produce acid grade fluorite concentrate, concentrate silicon reduction is an important issue for fluorite flotation plants. At present, the research of new fluorite collectors and inhibitors, the separation of fluorite and calcite, the separation of fluorite and barite, and the research of fluorite concentrate and silicon reduction are the hotspots in fluorite ore processing. And difficult.