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chirook

Business category 1 Cast & Forged
City ( of main office ) Eşfahān, IR, Iran
Address Hakimnezami-Mohtasham Kashani
Phones 98-311-6253020
Web site www.ehyaa.com
About Dear Sirs,

It is our pleasure to introduce our company as follows:

We are the first producer of Silica rounded sand in Iran. With attention to the nature of our mine, the produce sands are rounded without breakage and sharp with high dry flowability. Hereby we anounce our readiness to export our Mining products in the name of Molding sand which is used in Casting Industries with following spec.

High Yield strength

High dry flow ability

Few Roughness on castings

Coated Sand benefits:

Decreasing Gas Defects

Decreasing Pin Holes

Hot shell Tensile Strength Increasing

Thermal Expansion decreasing

Great Collapsibility

Mold Atmosphere control

Application AFS NO: HOT TENSILE STRENGTH Code

Shell Molding 90-95 24 (KG / cm2) RT90H

14-16 RT90M

10-12 RT90L

High Strength 26 (KG / cm2) RT70H

Shell Cores & 75-80 16-18 RT70M

Well permeability 12-14 RT70L

Aluminum

Casting 60-70 13-15 RT70A

Chemical Spec. :

Sio2 97-98

Fe2o3 0. 2-0. 6

Al2o3 0. 4-1. 7

Cao 0. 07-0. 2

Na2o 0-0. 01

K2o 0. 02-0. 06

Mgo 0

L / O / I 0. 01-0. 35

We invite you to visit our website: WWW. Ehyaa. Com for more information.

We look forward to hear you very soon.

With Best Regards

M. SAFAVI

Chairman of the Board & CEO

Date 2011 Oct 29, 00:10