Silicon Carbide Resinoid Bonded Cutting/Grinding Wheel Material Safety Data
Sheet (MSDS)
Section I
Manufacturer's Name: Weiler Corporation
Address: One Weiler Drive, Cresco, PA 18326
Emergency Telephone Number: (570) 595-7495
Telephone Number for Information: (570) 595-7495
Date prepared: January 6, 2012
Name of preparer: Frank J. Hettes
Section II - Hazardous Ingredients / Identity Information
Chemical Name (Common Name)
CAS#
OSHA PEL
OSHA REG. Y/N
ACGIH
TLV
OSHA Carcinogen
(Y/N)
Max.%
Silicon Carbide
(Silicon Carbide)
1344.28.1
10mg/m3
Y
10 mg/m3
N
90%
Iron Oxide
(Iron Oxide)
1309.37.1
10mg/m3
Y
5mg/m3
N
.05%
Silicon Dioxide
(Silicon Oxide)
7631.86.9
6mg/m3
N
*NAIF
N
4%
Sodium-Hexafluoro
(Cryolite)
15096.52.3
*NAIF
Y
2.5mg/m3
N
7%
Calcium Metasil
(Wallastonite)
13983.17.0
*NAIF
Y
*NAIF
N
3%
Prepreg Fiber
(Fiberglass)
*NAIF
*NAIF
Y
10 mg/m3
N
5%
Section III - Physical / Chemical Characteristics Boiling Point: **N/A
Vapor Pressure (mm Hg.): **N/A
Vapor Density (AIR=1): **N/A
Solubility in Water: Slight
Specific Gravity (H2O=1): 2.0
Melting Point: 900 degrees fahrenheit
Evaporation Rate (Butyl Acetate=1): **N/A
Appearance and Odor: Dark brown to black color slight
Section IV - Fire and Explosion Hazard Data Flash Point (method used): **N/A
Flammable Limits: LEL: **N/A UEL: **N/A
Extinguishing Media: Water spray, CO2 Special Fire Fighting Procedures: Fire fighters should wear self-contained breathing
apparatus to avoid inhalation of smoke or vapors.
Unusual Fire and Explosion Hazards: **N/A
Section V - Reactivity Data Stability: Stable
Conditions to avoid: None
Incompatibility (Materials to Avoid): **N/A
Hazardous Decomposition or Byproducts: In use dust and decomposition odors are
created, material removed from workpiece will be greater.
Hazardous Polymerization: Will not occur
Conditions to avoid: None
Section VI - Health Hazard Data
Primary Route(s) of Entry
Acute and Chronic Health Effects and Effects of Overexposure
First Aid and
Medical Information
Inhalation (during grinding)
Acute: Possible cough.
Chronic: May effect breathing capacity.
Remove to fresh air, artificial respiration as needed; Obtain medical assistance.
Ingestion (during grinding)
No known adverse affects, but ingestion not recommended.
Obtain medical assistance.
Skin (during grinding) (contact & absorption)
Some may experience skin irritation from dust.
Wash affected areas with soap and water; obtain medical assistance.
Eye (during grinding)
Dust may irritate eyes.
Wash with large amounts of water; obtain first aid and medical assistance, if needed.
Other Potential
Health Risks (during grinding)
Grinding may create elevated sound levels which may affect hearing and may aggravate pre-existing respiratory conditions.
Obtain medical assistance; there is limited information that Chrystalline Silica is a carcinogen.
Section VII - Precautions For Safe Handling And Use Precautions to be taken in handling and storage: Handle carefully: Wheels shall not be stored subject to water or solvents.
Other Precautions: Comply with ANSI B7.1 Safety, Use, Care of Abrasive Wheels; Comply with RPM rating on each product.
Steps to be taken in case material is released or spilled: Grinding and cut-off wheels if dropped or damaged can cause serious bodily injury. Avoid usage if product has been dropped or damaged. Normal clean up procedures.
Waste disposal method: Sanitary landfill or incineration in accordance with local, state and federal regulations.
Section VIII - Control Measures Respiratory protection (specify type): MSHA - NIOSH approved respirators
- See OSHA 29CFR1910.134
Ventilation: Yes
Local Exhaust: See OSHA 29CFR1910.94 & 1000
Mechanical (General): Wheel Guards
Special: Avoid contact with sparks
Other: Do not wear contact lenses
Protective gloves: As desired by user
Eye protection: Recommended - See OSHA 29 CFR 1910.133
Other protective clothing or equipment: Safety shoes, fireproof clothing, head and ear protection.
Work/Hygienic Practices: Keep dust washed off skin, wear clean clothing.
