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Techneglas Technical Products
2100 N. Wilkinson Way
Perrysburg, OH 43551

I. Product Information

Product Name: GR-630S
Synonyms: Solventless Glass Resin
Chemical Family: Silicone
Chemical Formula: Proprietary Methylphenylsiloxane Polymer
CAS Number:
DOT Shipping I.D. Number: Not applicable
DOT Shipping Name: Not restricted
DOT Hazard Class: Not applicable
EPA Hazardous Waste ID Number: Not restricted

II. Chemical Components

Polymethylphenylsiloxane Resin 100%

This product is made of materials classified by the OSHA Hazard Communication Standard as non-hazardous.

III. Physical Properties

Boiling Point: Decomposes above 400°C
Melting Point: Not available
Vapor Pressure (mmHg): Not applicable
Solubility in Water: Insoluble
Vapor Density (Air = 1): Not applicable
Specific Gravity: > 1.0 Percent
Volatile by Volume: < 1%
pH: Neutral
Appearance & Odor: Clear viscous liquid with slight color, odorless.

IV. Reactivity Data
Stability: Stable
Incompatible Materials: Strong oxidizing agents, concentrated mineral acids, hydrofluoric acid.
Hazardous Decomposition Products: Ethanol, oxides of carbon, silicon dioxide.
Hazardous Polymerization
: Will not occur. Conditions To Avoid: Heating above decomposition temperature may release ethanol OSHA PEL 200 ppm. Contact or storage with incompatible materials.
V. Fire And Explosion Data
LEL: Not applicable U
EL: Not applicable
VI. Health Hazard Information
Primary Routes of Exposure: Contact
Medical Conditions Aggravated by Exposure: Repeated contact may cause skin dryness or support dermatitis.
Listing as a Carcinogen: This material is not listed as a carcinogen by the NTP, IARC, or OSHA.
VII. Emergency First Aid Procedures

Inhalation: Remove to fresh air. Seek medical attention.
: Consult physician. Gastric lavage may be necessary.
Eye Contact: Immediately flush eyes for 15 minutes with large amounts of water, occasionally lifting upper and lower lids. If irritation persists, seek medical attention.
Skin Contact: Wash the affected area with soap and water. Seek medical attention if irritation persists.

VIII. Control Measures

Engineering Controls: General ventilation recommended under normal conditions of use.
Work/Hygiene Practices: Avoid inhalation of vapors. If necessary, wear NIOSH/MSHA approved respiratory protection for vapors.

Personal Protective Equipment:

Respiratory Protection: If necessary, wear NIOSH/MSHA approved respiratory protection for vapors.
Eye/Face Protection: Recommended.
Skin Protection: Recommended to prevent skin irritation and absorption.

IX. Storage and Disposal Information
Handling and Storage Precautions: Store in a cool, dry location.
Spill or Leak Procedures: Clean up spilled material into a closed container.
Disposal Methods: Dispose of in accordance with local, state, or federal regulations.
X. Manufacturer/Supplier Information

Prepared by: T. L. Richardson
Date: July 1, 1998
Revised: June 16, 2006
24-Hour Emergency Telephone Number: (800) 424-9300
General Information Number: (419) 873-2120
Manufacturer's Contact: W. J. Blessing
CHEMTREC: (U.S.) (800) 424-9300 (Int’l) (703) 527-3887

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