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Glass Fiber Reinforced Gypsum
(for interior applications)

1.0 Product Identification

  1. Material – Glass Fiber Reinforced Gypsum (GFRG)
  2. Manufacturers:
    Entol Mfg. North America, Inc.
    117 Oakdale Rd
    Toronto, ON CANADA M3N 1W2
    Phone: (416) 676-9301

2.0 Hazardous Ingredients

— ACGIH TLV: 10 mg/m³
— OSHA PEL: 15 mg/m³
— OTHER: 10 mg/m³ in CA

— ACGIH TLV: none
— OSHA PEL: none

2.1 Physical Properties

  1. Vapor Density (air=1): N/A
  2. Specific Gravity: 2.5 approx.
  3. Solubility in Water: 0.2%
  4. Vapor Pressure, mmHG or 20% C: N/A
  5. Appearance and Odor Appearance: Material comes in pre-manufactured molded shapes.
  6. Odor: None
  7. Melting Point or Range (F): 1450º C = Decomposes
  8. Boiling Point or Range (F): N/A
  9. Evaporation Rate (Butyl Acetate=1): N/A
  10. How to Detect this Substance: Warning properties of substance as a gas/vapor/dust or mist: N/A

2.2 Fire and Explosion

  1. Flash Point (F) (give method): Non-Combustible
  2. Auto-Ignition Temperature (F): N/A
  3. Flammable Limits in Air (Volume %): N/A Lower (LEL) ___ Upper (UEL) ___
  4. Fire Extinguishing Materials: That which is appropriate for surrounding fire.
    ___ Water Spray ___ Carbon Dioxide ___ Other
    ___ Foam ___ Dry Chemical
  5. Special Firefighting Procedures: None
  6. Unusual Fire and Explosion Hazards: None

3.0 Health Hazard Information

  1. Inhaled: Dust from grinding or cutting may be irritating if excessive.
  2. Contact with Skin or Eyes: Dust from grinding or cutting may cause irritation or dry skin.
  3. Absorbed Through Skin: N/A
  4. Swallowed: No known hazard

3.1 Health Effects or Risks from Exposure

  1. Acute: Exposure to glass fibers in the dust from this product may cause irritation of the skin and less frequently, irritation of the eyes, nose, or throat. Gypsum dust is a respiratory irritant and may dry the skin.
  2. Chronic: No chronic health effects from exposure of fibrous glass. Gypsum is regarded as a nuisance dust.
  3. Eyes: None Known
  4. Skin: None Known
  5. Inhalation: Long-term inhalation of large amounts of dust may cause lung damage.
  6. Digestive: None Known
  7. Suspected Cancer Agents: No – These product ingredients are not found in the lists.
    Yes – Federal OSHA ___ NTP ___ IARC ___

3.2 First Aid – Emergency Procedures

  1. Eye Contact: Wash with distilled water. Consult a physician if irritation persists.
  2. Skin Contact: Wash with water.
  3. Inhaled: No emergency procedure required.
  4. Swallowed: No emergency procedure required.

3.3 Misc. Health Issues

  1. California Employees Using Cal/OSHA: Regulated carcinogens must register with Cal/OSHA and the Federal OSHA carcinogen lists are similar.
  2. Medical Conditions Aggravated by Exposure: Those prone to allergies, asthma, bronchitis, or pulmonary disease may experience increased irritation to the nose, throat, eyes, or skin.

3.4 Reactivity Data

  1. Stability: Stable
  2. Conditions to Avoid: None. Material will lose its integrity when submersed in water.
  3. Incompatibility: None
  4. Hazardous Decomposition Products (including combustion products): If heated to 1450º C, will release SO and CAE.
  5. Hazardous Polymerization: Will not Occur
  6. Conditions to Avoid: Keep product dry to maintain integrity.

3.5 Special Handling Information

  1. Ventilation and Engineering Controls: Local exhaust, if above TLV, during cutting or grinding.
  2. Respiratory Protection: NIOSH approved respirator for dust if above TLV during cutting or grinding.
  3. Eye Protection: Dust goggles or safety glasses during cutting or grinding.
  4. Gloves: Light weight or work gloves may help reduce skin irritation.
  5. Other Clothing and Equipment: Coveralls or work clothes to protect street clothes from dust.
  6. Work Practices, Hygienic Practice: Keep dust production to a minimum. Keep work area clean. Do not use compressed air to “blow down” clothing. Wash exposed skin surfaces regularly with soap and water.
  7. Other Handling and Storage Requirements: Store in dry area.
  8. Protective Measures during Maintenance of Contaminated Equipment: N/A


Last rev. June 2019.