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RCS (Resin Coated Sand) / Dry Sand Products
Woori Co., Ltd. is producing the most proper products to produce main parts of automobile based on our best technical capabilities.
Woori is producing various types of RCS such as RCS for cylinder head water jacket and port that is important to automobile
engine,universal RCS for low pressure casting and gravity casting and special casting RCS suitable for complicated structure.
| Classification |
Products |
Use |
RCS for Aluminum RCS
(Resin Coated Sand) |
ALW-1, ALW-A, DL-60, AT-512R |
Cylinder head jacket |
| MB-302, J-105 |
Cylinder head port |
RCS for cast iron RCS
(Resin Coated Sand) |
A-510, A-309, A-512(아) |
Cast iron cylinder block, cylinder head,
universal cast iron |
RCS for cast steel RCS
(Resin Coated Sand) |
RG-103, SR-760D, SR-508 |
Valve manufacturing |
RCS for non-metal RCS
(Resin Coated Sand) |
AB-113, RG-113 |
Hydrant, meter manufacturing |
Special iron RCS RCS
(Resin Coated Sand) |
SM-100, MB-1126(H), IR-717D |
Hydraulic valve, heave equipment seal |
| Dry Sand |
Dry-A, Dry-E, Dry-EP, Dry-EF |
Cold Box, Alphaset, Fulan |
Silica Powder Products
Silica Powder Products of Woori are used for various industrial sectors such as precise material glass, architectural materials,
powder paints necessary for smart electronic products which are closely used in our daily life.
| Component content |
SiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
Na2O |
| 99.5~99.8 |
0.06~0.2 |
0.01~0.03 |
0.01~0.02 |
0.01~0.02 |
0.005~0.01 |
| Classification by particle size (mesh) |
PRS-30 |
30㎛ |
Laser diffraction method |
| PRS-15 |
15㎛ |
| PRS-10 |
10㎛ |
| PRS-4 |
4㎛ |
| PRS-2 |
2㎛ |
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Products & Raw Sand 
