What should be paid attention to when casting chromite sand
1. When preparing the compound of large and medium-sized carbon steel or alloy steel castings, chromium ore can be used as fine powder sand, quartz sand or old sand as backing sand. Powder fine sand calculation.
What should be paid attention to when casting chromium ore
2. The adhesive and moisture-proofing agent must be mixed first, then chromite sand is added, and then completely mixed for a long time to ensure that the adhesive is properly coated with sand, and a coupling agent is added and sufficiently ground.
3. The acid requirement of chromite furan resin sand is about 10 times that of quartz sand. The acid should be added first to cover the pebbles, followed by the epoxy resin until the mixing and milling proceed.