Foundry Sand Types. According to the different binders, foundry sand used for moulding can be divided into green sand, water glass sand and resin sand. Green Sand (Clay Sand) Clay sand is the mixture of natural silica sand, clay, additives and water. The clay used to make wet clay sand .

Through our unremitting efforts over the years, fused ceramsite sand has been recognized by casting experts in both domestic and international. Fused ceramsite sand produced by Gongyi Yuanyang Ceramsite Co., Ltd. has exported to Japan, the United States, Germany, South Korea, Japan, Malaysia and other countries.

Specially selected chromite sand provides an elevated point of sintering and high thermal conductivity ideal in the preparation of molds and hot spot castings. Unlike badly washed or lowpurity chromite sands that can lead to poor hardening in resin molds and notable defects, our LCM chromite sand is subjected to strict checks on site and ...

SphereOX Foundry Sand Additive® is typically added to foundry core and/or molding sand systems as an additive at 2% to 8% by weight for the following intended purposes: Improve the surface finish of iron, steel, or bronze castings. Eliminate veining on a casting. Eliminate penetration of .

Sep 19, 2017· Patriot Foundry is a nationally trusted nonferrous foundry with decades of experience in sand you need help deciding which type of sand might be best for your sa19nd casting project, leave the hard work to us!

There is no substitute for good, fine casting sand for metal casting. The experiments with the use of common foundry sand proved to be completely disappointing for packing and retaining its shape when dry. Casting of sand is the simplest and most versatile of all casting methods used to produce castings.

• Sand systems • Molding • Painting and closing HeviSand® Foundry Chromite Sand is used in foundries worldwide due to its unique combination of properties. HeviSand® is produced from highgrade foundry chromite which has been specially treated for use as a mold and core media in the production of quality castings. HeviSand® is ...

Premiumquality foundry sand To ensure efficient production processes, highquality components and superior products, the foundry industry requires topquality chromite sands. Cromtec™ from LANXESS combines the entire spectrum of the intrinsically outstanding properties of chromite sand with a whole raft of other practicerelated benefits.

Ceramsite is ballshaped, high heatresistant, low heat dilating rate. it has advantage of cost and performance than Chromite sand and zircon sand that provide the effective ways to improve the quality of the foundry, costdown and less damage to the environment. Ceramsite sand characteristics and casting benefits: High AI2O3 mineral composition

Mar 25, 2014· I tumbled the mix dry first so the sand particles would coat then tempered it with water. This works fine for brass and bronze it also gets better with use after it's mulled a few times. If you still want Petrobond, get a copy of "Metal Casting: A Sand Casting Manual For The Small Foundry" by Chastain (volume 1 has the Petrobond recipe).

Abstract – The characteristics of zircon sand and how they affect foundry castings have been studied with respect to their surface finish, mechanical properties and the microstructure. Local and imported zircon sand was employed in the work and it

Completing our supply is a moulding sand analysis laboratory service at our plant and a continuous support service provided at our customers' premises. Laviosa Chimica Mineraria is a member of Amafond, the italian Association of companies which produce machinery, plants, furnaces products and services for the foundry industry, since 1950.

It can be used with a variety of adhesives, greatly improving the quality of castings, also the sand is easy to clean. With the development of the foundry industry and environment protection, Lost foundry sand are becoming more popular among casting plants.

FOUNDRY CHROMITE SAND from Zhengzhou Haixu Abrasives Co., Ltd.. Search High Quality FOUNDRY CHROMITE SAND Manufacturing and Exporting supplier on

THE TOXIC COMPOUNDS AND LEACHING CHARACTERISTICS OF SPENT FOUNDRY SANDS ... indicate the sand type and the casting type. 350 S. JI ET AL. ... sample 3: aluminium casting) Diphenylmetanide isocyanate Metals (from chromite sand) Mineral oils Polymethylsiloxane, heptane Diphenylmethane4,4 diisocyanate and aromatic hydrocarbons