Specification

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GRA Services International, 5000 E. 2

St, Edmond, OK 73034 Material Safety Data Sheet

Code: R “A”

Issue date: 3/1/02

Updated: 9/28/15

I. Product Identification - “A” Component - Polymeric Isocyanate

Product Name: Secure Set Two-Component Water-Blown Foam

Product Code: GRA 2, 2.8, 4, and 6

Chemical Family: Polymeric Isocyanate

Chemical Name: Polymeric Diphenylmethane Diisocyanate (pMDI)

Synonyms: MDI, ISO, “A” Component

CAS Number: See Below

TSCA Status: On Inventory

II. Hazardous Ingredients*

Components: Weight. % Current TLV/PEL

4,4- Diphenylmethane Diisocyanate (MDI) Cas# 101-68-8 35 - 45 .02 PPM, ceiling

Polymeric Diphenylmethane Diisocyanate MDI Cas# 9016-87-9 40 - 55 Not Listed

Diphenylmethane Diisocyanate Mixed Isomers 1 – 5

* Ingredients not precisely identified are proprietary or not hazardous. Values are not product specifications.

II. Physical Data

Form: Viscous Liquid

Color: Light To Dark Brown

Odor: Slightly Aromatic Or Musty

pH: N/A

Freeze Point: <0 C (<32F) For the active ingredient

Boiling Point: Approximately 208 Degrees C (406.4 F)

Flash Point: 198.89 C (390 F) ASTM D-93

Vapor Pressure: < 0.0001 mmHg @ 25 C (77 F)

Specific Gravity: 1.24 @ 25 C (77 F)

Solubility In Water: Insoluble – Reacts slowly to water to liberate CO2 gas

Bulk Density: 10.3 lb/gal

IV. Fire & Explosion Data

Flash Point: 425°F. (218°C.) COC

Flammable Limits In Air By Volume -

Lower: N.E (Nonvolatile Fluid)

Upper: N.E (Nonvolatile Fluid)

Extinguishing Media: Dry chemical, carbon dioxide (CO2), chemical foam, water spray for large fires.

Special Fire Fighting Procedure: If water is used, use large amounts as the reaction between hot Isocyanates and water can be

vigorous. Use self-contained breathing apparatus and body covering protective clothing.

Unusual Fire and Explosion Hazards: Water contamination will produce Carbon Dioxide. Do not re-seal contaminated

containers as pressure buildup may rupture them.

V. Health Hazard Information

Animal Toxicity

Oral, LD50 (ingestion): >20 G/KG (Rats)

Dermal, LDS50 (skin contact): >15.8 G/KG (Rabbits)

Inhalation, LC50 (4 HR): Approx. 370 MG/L (Dapnea, Limnea Invertebrates and Zebra Fish)

Eyes: Liquids, aerosols, or vapors are irritating and can cause tearing, reddening, and swelling following contact.

Skin: Can cause skin irritation, which may include the following: reddening, swelling, rash, scaling, and blistering.

Sensitization to isocyanates may result with prolonged contact.

Other: No conclusive evidence has been developed to indicate that MDI is carcinogenic, teratogenic, or that it causes

reproductive effects in animals and humans.

Summary of content (3 pages)

PAGE 1
GRA Services International, 5000 E. 2nd St, Edmond, OK 73034 Material Safety Data Sheet Code: R “A” Issue date: 3/1/02 Updated: 9/28/15 I. Product Identification - “A” Component - Polymeric Isocyanate Product Name: Product Code: Secure Set Two-Component Water-Blown Foam GRA 2, 2.8, 4, and 6 Chemical Family: Chemical Name: Synonyms: CAS Number: TSCA Status: Polymeric Isocyanate Polymeric Diphenylmethane Diisocyanate (pMDI) MDI, ISO, “A” Component See Below On Inventory II.
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Material Safety Data Sheet continued (R “A”) Page 2 Human Effects of Overexposure Inhalation: May cause respiratory sensitization in susceptible individuals. At room temperature, vapors are minimal due to low vapor pressure. If heated or sprayed as an aerosol, excessive concentrations are attainable that could be hazardous on single exposure. Excessive exposure may cause irritation of the eyes, upper respiratory tract and lungs. Effects may be delayed.
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Material Safety Data Sheet continued (R “A”) Page 3 IX. Spill Or Leak Procedure Steps to be taken in case material is spilled or released: Minor Spills: Contain the spilled material and then cover with a loose, absorbent material such as oildry, vermiculite, sawdust, or fuller’s earth. Shovel waste material into proper waste containers. Do not make pressure tight.