PO BOX 154
CORSON 105 Smith Street
Clover, SC 29710 USA
Phone 803-222-7779
RU B B E R P R O DU C TS , I N C . Fax 803-222-9022
MATERIAL SAFETY DATA SHEET KNOBBY MAT
PAGE 1 OF 2
MSDS DATE: 1/24/2006
SECTION 1: PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: KNOBBY MAT FDA EPDM Molding Compound
SYNONYMS: EPDM Rubber, EPDM Compound
PRODUCT CODES: WHF-21,WHF-25,WHF-27,WHF-21X,WHF-25X,WHF-27X,WHR-21,WHR-25,WHR-27,RDF-21,RDF-
25,RDF-27,RDR-21,RDR-25,RDR-27,RDF-21X,RDF-25X,RDF-27X,GNF-21, GNF-25,GNF-27,GNR-21,GNR-25,GNR-27,GNF-
21X,GNF-25X,GNF-27X,YLF-21,YLF-25,YLF-27,YLR-21,YLR-25,YLR-27,YLR-21X,YLF-25X,YLF-27X,BUF-21,BUF-25,BUF-
27,BUR-21,BUR-25,BUR-27,BUF-21X,BUF-25X,BUF-27X
MANUFACTURER: CORSON RUBBER PRODUCTS INC.
ADDRESS: PO BOX 154 105 Smith Street Clover, SC 29710 USA
EMERGENCY PHONE: 803-222-7779
FAX : 803-222-9022
WEB SITE: WWW.CORSONRUBBER.COM EMAIL: INFO@CORSONRUBBER.COM
CHEMICAL COMPOUND NAME: EPDM Basic Rubber
CHEMICAL COMPOUND FORMULA: Proprietary
PREPARED BY: CORSON RUBBER PRODUCTS INC.
SECTION 2: COMPOSITION / INFORMATION ON INGREDIENTS
Polymer bound dispersions generally preclude the possibility of airborne dust of the active ingredient. They also
eliminate the problems generally associated with powdered chemicals.
Component/CAS NO. ACGIH Limits OSHA Limits
INFORMATION ON COMPONENTS
COMPONENT/CAS ACGIH Limits OSHA Limits
Ethylene-Propylene Diene Terpolymer Not Established Not Established
25038-36-2
Ethylidene Norbornene (ENB) 16219-75-3 5 ppm STEL Not Established
25 mg/m3 STEL
Talc 14807-96-6 2 mg/m3 TLV/TWA (Respirable Dust) 20 mppcf PEL/TWA
(IARC-3)
(MAK-3B)
(TLV-A4)
2 mg/m3 TWA R
Kaolin Clay 1332-58-7 5 mg/m3 TWA (Respirable Dust)
(TLV-A4) 15 mg/m3 TWA (Total Dust)
Titanium Dioxide 13463-67-7 10 mg/m3 TWA 15 mg/m3 TWA (Total Dust)
(IARC-3)
(NIOSH-Ca)
(TLV-A4)
Calcium Oxide 1305-78-8 2 mg/m3 TWA 5 mg/m3 TWA
Mineral Oil (Mist) 8045-47-5 5.0 mg/m3TWA 10 mg/m3 STEL (mist)
2 mg/m3 TWA R
Zinc Oxide 1314-13-2 5 mg/m3 TWA (Total Dust)
10 mg/m3 TWA R
(EPA-D) 15 mg/m3 TWA (Respirable Dust)
Stearic Fatty Acids 57-11-4 Not Established Not Established
Polyethyleneglycols 25322-68-3 Not Established Not Established
Zinc Dibutyldithiocarbamate 136-23-2 Not Established Not Established
Thiram 137-26-8 1 mg/m3 TWA 5 mg/m3 TWA
Sulfur 7704-34-9 3 mg/m3 TWA 5 mg/m3 TWA
SECTION 2 NOTES: These hazardous components are contained within the matrix of the material and are not expected to be-
come airborne during normal use of this material as long as good industrial hygiene and safety procedures are practiced. Several
of the ingredients contained within this material have not been evaluated to determine potential exposure hazards by OSHA or
ACGIH.
PO BOX 154
CORSON 105 Smith Street
Clover, SC 29710 USA
RU B B ER PR ODU C T S, INC . Phone 803-222-7779
Fax 803-222-9022
MATERIAL SAFETY DATA SHEET KNOBBY MAT
PAGE 2 of 2
HMIS HAZARD CLASSIFICATION
HEALTH: 0 FLAMMABILITY: 0 PHYSICAL HAZARD: 0
PROTECTION: B
EXTINGUISHING MEDIA: Dry Chemical, CO2, Foam
FIREFIGHTING PROCEDURE: Evacuate area and fight fire from safe distance. Wear pressure-demand self-contained breathing
apparatus (MSHA/NIOSH-approved or equivalent) and full protective gear.
SPECIAL FIRE FIGHTING PROCEDURES: As with any fire, toxic gases, vapors, and fumes can be generated. Use pressure-
demand self contained breathing apparatus (MSHA/NIOSH approved or equivalent) and full protective gear. Using water can
cause frothing with increasing fire intensity.
UNUSUAL FIRE AND EXPLOSION HAZARDS: Not known
HAZARDOUS DECOMPOSITION PRODUCTS: Not known
PHYSICAL AND CHEMICAL PROPERTIES
APPEARANCE: Color varies
ODOR: Mild
PHYSICAL STATE: Solid
DENSITY: 1.5 g/cc
pH AS SUPPLIED:
pH (Other): Not Available
BOILING POINT: Not Available
MELTING POINT: Not Available
FREEZING POINT: Not Available
VAPOR PRESSURE (mmHg): Not Available
EVAPORATION RATE: Not Available
BASIS (=1): Not Available
SOLUBILITY IN WATER: Not Soluble
PERCENT SOLIDS BY WEIGHT: 75%
PERCENT VOLATILE: Not Available BY WT/ BY VOL @ F:
VOLATILE ORGANIC COMPOUNDS (VOC): Not Available
WITH WATER: LBS/GAL
WITHOUT WATER: LBS/GAL
MOLECULAR WEIGHT: Not Available
VISCOSITY: Not Available
SECTION 9 NOTES:
SECTION 10: STABILITY AND REACTIVITY
STABILITY: Stable
CONDITIONS TO AVOID (STABILITY): Keep away from extreme heat, sparks or open flame and strong oxidizing conditions.
INCOMPATIBILITY (MATERIAL TO AVOID): Strong acids, Bases and oxidizing agents
HAZARDOUS DECOMPOSITION OR BY-PRODUCTS: Products of incomplete combustion may include CO, CO2, and dense
smoke.
HAZARDOUS POLYMERIZATION: Not expected to occur.
DISCLAIMER: Information presented herein has been compiled from sources considered to be accurate and dependable to the
best of our knowledge and belief but is not guaranteed to be so. Nothing herein is to be construed as recommending any practice
or any product in violation of any law or regulation. It is the user s responsibility to determine the suitability of any material for a
specific purpose and to adopt such safety precautions as necessary. Since conditions of use are not under our control, we must
disclaim all liability with respect to the use and disposal of our products.
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