Zirconia Alumina 40

Description:

KZA40 is a kind of fused Zirconia Alumina abrasive with the characteristic of high intensity, high toughness and high self-sharpness ability 

Applications:

KZA40 is widely used in producing organic bonded grinding wheels where the rapid stock removal is required, it can be used to grind stainless steel, cast, titanium alloy and nickel alloy etc.

 

Typical Chemical Analysis:

Al2O3                       63.52%
ZrO2                        33.25%
TiO2                        1.71%
SiO2                        1.18%
Fe2O3                       0.13%
  
Typical Physical Properties:
Color                         Gray
Shape                        Blocky
Crystal Form              Alpha-alumina and “a-Al2O3 “+ “Al2O3-ZrO2” combined tree system
True Density               4.55 gms/cc
Melting Temperature   About 1950 oC
Hardness                   1450 Knoop 100 scale
Magnetic Material        0.0076% 

Grain Sizes Available (F):

6, 8, 10, 12, 14, 16, 20, 24, 30, 36.

 Typical Bulk Density:

Grit(F)      g/cc       Grit(F)      g/cc         

6           2.28          16         2.14     

8           2.25          20         2.13

10           2.22          24         2.11     

12           2.20          30         2.08     
14           2.17          36         2.08  
 

Grain Size Distribution :

Upon ANSI B74.12-2001, FEPA-Standard 42-1:2006 or ISO 8486-1.

Packing:

20 Kg/25Kg Paper bags, 25 Kg PP bags,50 Lbs Paper bags, 2000lbs Jumbo,1MT Jumbo Bags etc

Zirconia Alumina 25

Description:

KZA25 is a kind of fused Zirconia Alumina abrasive with very blocky shape and tough edge. Due to the crystal is very small, this kind of abrasive grain always presents the highest toughness and very strong impact resistance.

Applications:

KZA25 is widely used in production of the overload big hot pressed steel condition wheels.

Typical Chemical Analysis:

Al2O3                      75.48%
ZrO2                        23.5%
TiO2                         0.15%
SiO2                        0.67%
Fe2O3                      0.04%

Typical Physical Properties:

Color                             Gray
Shape                           Blocky
Crystal Form                 Alpha-alumina and “a-Al2O3 “+ “Al2O3-ZrO2” combined tree system
True Density                  4.55 gms/cc
Melting Temperature       About 1950 oC
Hardness                      1450 Knoop 100 scale
Magnetic Material           0.0076%

Grain Sizes Available (F):

6, 8, 10, 12, 14, 16, 20, 24, 30, 36.

Typical Bulk Density:

Grit(F)      g/cc       Grit(F)      g/cc         

  6         2.28        16           2.16     

  8         2.25        20           2.13

  10         2.22        24           2.10     

  12         2.20        30           2.09     
  14         2.19        36           2.08
 

Grain Size Distribution :

Upon ANSI B74.12-2001, FEPA-Standard 42-1:2006 or ISO 8486-1.

Packing:

20 Kg/25Kg Paper bags, 25 Kg PP bags,50 Lbs Paper bags, 2000lbs Jumbo,1MT Jumbo Bags etc. 

Zirconia Alumina Coated

Description:

KZAP is a kind of fused Zirconia Alumina abrasive FEPA “P” grit, it is got by fusing zirconia sand, aluminum powder and other material.

Applications:

With the sharp edge grain shape and very high toughness characteristic, KZAP is suitable for making coated abrasive products request a high eliminating rate.

Typical Chemical Analysis:

Al2O3                      61.68%
ZrO2                        40.68%
TiO2                          0.39%
SiO2                         0.25%
Fe2O3                       0.08%
CaO                          0.96%
MgO                          0.04%

Typical Physical Properties:

Color                           Gray
Shape                         Blocky, edge sharp
Crystal Form                Alpha-alumina and “a-Al2O3 “+ “Al2O3-ZrO2” combined tree system
True Density                4.55 gms/cc
Melting Temperature     About 1950 oC
Hardness                    1450 Knoop 100 scale
Magnetic Material         0.0076%

Macrogrit Sizes Available (P):

12, 16, 20, 24, 30, 36, 40, 50, 60, 80, 100, 120.

Typical Bulk Density:

Grit(P)     g/cc            Grit(P)      g/cc             Grit(P)     g/cc
12        2.26             36        2.05              100       1.94
16        2.20             40        2.05              120       1.94
20        2.18             50        2.03            
24        2.13             60        2.01            
30        2.06             80        1.98            

Grain Size Distribution :

Upon ANSI B74.18-2006, FEPA-standard 43-1:2006 or ISO 6344-2: 1998

Packing:

20 Kg/25Kg Paper bags, 25 Kg PP bags,50 Lbs Paper bags, 2000lbs Jumbo,1MT Jumbo Bags etc. 

SiC Green Macro Bonded

Description:

KGC-GPA is a green, friable, medium bulk density silicon carbide abrasive grain. To get this kind of grains, we specially process the ingots, separate the magnetic material, and sieve the grains carefully to get a complete range of grit sizes.

Applications:

KGC-GPA can be used in refractory, ceramic and abrasive area, such as making vitrified bonded grinding wheels, resin bonded tools, to process cast iron, hard alloy, tatium alloy and high speed steel. As loose grains, it is widely used for polishing none-metal material like ceramic, glass, stone, agates, jades and jewels.

Typical Chemical Analysis:

SiC                         99.43%
Free Carbon              0.17%
Fe2O3                      0.12%

Physical Properties:

Color                       Green
Shape                      Angular
Crystal Form            Alpha silicon carbide in hexagonal system
Specific Gravity        3.20
Hardness                 HV3280-3400, 9.15 Mohs scale
Magnetic Material     0.0032%

Macrogrit Grain Sizes Available (F or JIS):

12, 14, 16, 20, 22, 24, 30, 36, 40, 46, 54, 60, 70, 80, 90, 100, 120, 150, 180, 220.

 

Microgrit Sizes Available:

F240, 280, 320, 360, 400, 500, 600, 800, 1000, 1200.

JIS240,280,320,360,400,500,600,700,800,1000,1200,1500,2000,2500,3000,4000,6000,8000.

 

Bulk Density:

Grit(F)     g/cc       Grit(F)     g/cc         Grit(F)       g/cc     Grit(F)     g/cc
12         1.42          30        1.51           60            1.51      120       1.44
14         1.46          36        1.50           70            1.50      150       1.41
16         1.52          40        1.50           80            1.50      180       1.38
20         1.52          46        1.50           90            1.50      220       1.35
24         1.52          54        1.51           100          1.47    

Grain Size Distribution :

Upon ANSI B74.12-2001, FEPA-Standard 42-1:2006 or ISO 8486-1.

Packing:

20 Kg/25Kg Paper bags, 25 Kg PP bags,50 Lbs Paper bags, 2000lbs Jumbo,1MT Jumbo Bags 

Silicon carbide- Green

It is one kind of black silicon carbide Abrasive grain, To get the kind of grains, we specially process the ingots, separate the magnetic material, and sieve the grains carefully to get a complete range of grit sizes.

As an abrasive, CF-16 is used in making vitrified bonded grinding wheels, resign bonded grinding wheels. As loose grains, it is widely used for pressure blasting, surface finish and other general industrial applications.

MSDS Silicon Carbide

1. Product Name Company

Silicon Carbide
KOWA ABRASIVE K.K.
2266 Anamushi Kashiba City NARA JAPAN
+81-745-76-3702
0745-76-3704

 

2. Composition/Information

Chemical Name: Silicon Carbide

 CAS number:409-21-2

 Impurities contributing to There are no restrictive to the regular use of the product the hazard:

3. Hazards Identification

Adverse human health Effects: High concentrations would cause irritation to the respiratory system Environmental Effects: No environmental effect has been identified in the regular use of the product Physical and Chemical Hazards: No physical or chemical hazard has been identified in the regular use of the product

Specific Hazards: No specific hazard has been identified in the regular use of the product

4. First aid Measures

Inhalation: In case of respiratory difficulties, move to ventilated areas and look for medical assistance, Skin Contact: In case of skin irritation, wash the affected local with fresh water and look for medical Assistance

Eye Contact: In case of eyes irritation, wash your eyes with fresh water, and look for medical assistance Ingestion: Look for medical assistance.

5. Fire-Fighting Measures

General Information: Not Flammable.Extinguishing Media: Use the adequate extinguisher according to the fire source.

6. Accidental Release Measures

Personal Precautions: In high levels of airborne exposure, respiratory and eyes protection. If possible, use a exhausting system. Environmental Precautions: This product is inert to the environment and don`t request any special precaution

7.Handling And Storage

Handling

Technical Measures: There are no restrictions.

Precautions: Material may be stared in dry and ventilated local, avoiding humidity contact. Avoid contact with other products to prevent contaminations. Respect a maximum of three pallets or big bags stack. This material must be kept away from sharp-edged materials to avoid package damaging. Safe handling Advice: Respect the maximum stack of three pallets or super sacs.

Storage

Technical Measures: There are no restrictions.

Storage conditions: May be stored in dry, ventilated and free of contaminations. It’s not recommended humidity

Levels higher than 65%.

Incompatible Products: No restrictive information has been found about incompatible products during storage.

Packing Materials: It’s recommended to main the material in its original packing, including original pallet.

8. Exposure Controls/Personal Protection

Personal Protective Equipment

Respiratory Protection: In normal conditions a NIOSH/MSHA approved air respirator is recommended.

Hand Protection: Impervious gloves are recommended.

Eye Protection: Approval Chemical workers goggles.

Skin and Body Protection: Entire body clothes are recommended.

Airborne Exposure Limit:6mg/

9. Physical and Chemical Properties

Physical State: Solid

Color: Black

Odor: Odorless

ph{24%} : 9

Fusion Point: 2600

Flash Point: Not applicable

Explosion Properties: Not applicable

Density: 3.20g/ cm²

Solubility: Not soluble in water

10. Reactivity

Hazardous Reaction: There are no restrictions.

Hazardous Decomposition Products: There are no restrictions in the regular use of the material.

11. Toxicological Information

 Acute Toxicity: There are no restrictions in the regular personal exposition. Local Effects: There are no restrictions in the regular personal exposition. Other Indication: The inhalation of dust must be prevented, because inert material can also harm the respiratory ways.

12. Ecological Information

Information related with normal routes of exposition had not been found . Environmental problems are not expected when the product is handled and used as indicated.13.Disposal Considerations Waste from Residues: Waste of this product must be dispose of in accordance with federal, state and local regulations.

There is no restrictive hazardous information about recycling this product. Residues of this product must be disposed according to the regulation. Contaminated Packing: Waste of this product packing must be dispose of in accordance with federal, state  and local regulation.

13. Contaminated Packing :

Waste of this product packing must be dispose of in accordance with federal ,state and local regulations. There is no restrictive hazardous information about recycling the packing.

14. Transport Information

Transport Information: There are no restrictions.

15. Regulatory Information

 There are no specific international regulations for this product. State and local regulations must be consulted.

16. Other Information

It is not required any special procedure to collect the material. This electro fused is not recommended for use in food, medicine and cosmetic products. The improper use of this product or its information above exempts KOWA of any responsibility.

All data showed in this document are typical, small variations may occur.

Silicon Carbide- Black Micro


Description:

High quality, water classified silicon carbide powders graded to exacting standards, e.g. FEPA, JIS and custom. Silicon carbide powders are manufactured by various techniques to optimize shape, surface area, density, chemistry and/or particle size distribution for various applications.

Applications:

Our powders are used for wiresawing semiconductor materials, lapping, fine bonded and coated application, refractory, precision ceramics, composites and other critical applications. Material is available for hot pressing, sintering and other forming techniques.


Typical Chemical Analysis:

Silicon Carbide(SiC) 97.80%
Silicon (Si) 0.30%
Silicon Dioxide (SiO2) 0.50%
Carbon ( C ) 0.30%
Iron (Fe) 0.08%
Aluminum (Al) 0.10%

Physical Characteristics:

Crystal Form: Hexagonal (Alpha SiC)
True Density: 3.95 g/cm3
Hardness: Knoop (100) – 2500; Mohs 9.0+
Melting Point: SiC does not melt but dissociates
Color: Black

 


Sizing Test Methods:

FEPA Standard 42-2: 2006
JIS R 6001: 1998
Micron sizes based on Coulter Multisizer

 


FEPA F Standard – Powders/Microgrits

D3% D94%
Size Max. D50% Min.
240 70 42.5-46.5 28
280 59 35.0-38.0 22
320 49 27.7-30.7 16.5
360 40 21.3-24.3 12
400 32 16.3-18.3 8
500 25 11.8-13.8 5
600 19 8.3-10.3 3
800 14 5.5-7.5 2
1000 10 3.7-5.3 1
1200 7 2.5-3.5 1(80%)

 


 

Packing:

20 Kg/25Kg Paper bags, 25 Kg PP bags,50 Lbs Paper bags, 2000lbs Jumbo,1MT Jumbo Bags etc.

Silicon Carbide- Green Micro


Description:

High quality, water classified silicon carbide powders graded to exacting standards, e.g. FEPA, JIS and custom. Silicon carbide powders are manufactured by various techniques to optimize shape, surface area, density, chemistry and/or particle size distribution for various applications.

Applications:

Our powders are used for wiresawing semiconductor materials, lapping, fine bonded and coated application, refractory, precision ceramics, composites and other critical applications. Material is available for hot pressing, sintering and other forming techniques.


Typical Chemical Analysis:

Silicon Carbide(SiC) 99.15%
Silicon (Si) 0.14%
Silicon Dioxide (SiO2) 0.34%
Carbon ( C ) 0.11%
Iron (Fe) 0.09%

Physical Characteristics:

Crystal Form: Alpha-Alumina
True Density: 3.95 g/cm3
Hardness: Knoop (100) – 2500; Mohs 9.0+
Melting Point: SiC does not melt but dissociates
Color: Green

 


Test Methods:

FEPA Standard 42-2: 2006
JIS R 6001: 1998
Micron sizes based on Coulter Multisizer

 


FEPA F Standard – Powders/Microgrits

D3% D94%
Size Max. D50% Min.
240 70 42.5-46.5 28
280 59 35.0-38.0 22
320 49 27.7-30.7 16.5
360 40 21.3-24.3 12
400 32 16.3-18.3 8
500 25 11.8-13.8 5
600 19 8.3-10.3 3
800 14 5.5-7.5 2
1000 10 3.7-5.3 1
1200 7 2.5-3.5 1(80%)

 


 

Packing:

20 Kg/25Kg Paper bags, 25 Kg PP bags,50 Lbs Paper bags, 2000lbs Jumbo,1MT Jumbo Bags etc.