MATERIAL SAFETY DATA SHEET FOR FR4

I. CHEMICAL PRODUCT

PRODUCT NAME: FR4

IN CASE OF EMERGENCY CALL: (24 Hours/Day, 7 Days/Week) (608) 784-6070

II. COMPOSITION/INFORMATION ON INGREDIENTS

INGREDIENT NAME
CAS# WEIGHT%

Continuous Filament Fiber Glass (65997-17-3)
40-70
Copper
(7440-50-8) 8-28
Epoxy Resin (26265-08-7)
20-30

Trace impurities and additional material names not listed above may also
appear in the Regulatory Information section (#15) towards the end of the
MSDS. These materials may be listed for local ?Right to Know? compliance and
for other reasons.

III. HAZARDS IDENTIFICATION

EMERGENCY OVERVIEW: A nonflammable, sheet material. Dust, when machined or
punched may cause skin or eye irritation. Fumes, if decomposed may irritate
eyes, nose, and throat.

POTENTIAL HEALTH HAZARDS

SKIN: Dust may cause moderate skin irritation.

EYES: Dust may cause moderate eye irritation. Fumes may irritate eyes.

INHALATION: Fibrous glass dust may be released from the fiberglass cloth
substrate when machined. ACGIH

TLV is 10 mg/m3 TWA for particles <5 microns in diameter.

INGESTION: Not determined.

DELAYED EFFECTS: Our product is reinforced with continuous filament
fiberglass. Dust generated from the

cutting, grinding, machining, etc., would not be expected to produce
respirable particles. IARC considers

continuous glass filaments as unclassifiable or probably non-carcinogenic.

Ingredients found on one of the OSHA designated carcinogen lists are listed
below.

Ingredient Name NTP Status IARC Status OSHA List
None None None
None

IV. FIRST AID MEASURES

SKIN: Wash in flowing water or shower. Remove contaminated clothing.

EYE: Irrigate with flowing water for 15 minutes. If irritation persists,
consult a physician.

INHALATION: If overcome by dust or smoke, move to fresh air. If not
breathing, give mouth-to-mouth resuscitation. Call physician.

INGESTION: If large amounts are ingested, consult physician.

ADVICE TO PHYSICIAN: Treat symptomatically

V. FIRE FIGHTING MEASURES

FLAMMABLE PROPERTIES

FLASH POINT: N/A

FLASH POINT METHOD: N/A

AUTOIGNITION TEMPERATURE: Not determined

UPPER FLAME LIMIT (Volume % in air): N/A

LOWER FLAME LIMIT (Volume % in air): N/A

FLAME PROPAGATION RATE (Solids): UL V-O

OSHA FLAMMABILITY CLASS: N/A

EXTINGUISHING MEDIA: Water, CO2 and dry chemical

UNUSUAL FIRE AND EXPLOSION HAZARDS: May give off toxic hydrogen bromide when
thermally decomposed.

SPECIAL FIREFIGHTING PRECAUTIONS/INSTRUCTIONS: Firemen should wear proper
protective equipment and positive pressure self-contained breathing apparatus.

VI. ACCIDENTAL RELEASE MEASURES

IN CASE OF SPILL OR OTHER RELEASE: Always wear recommended personal
protection equipment.

Spills and releases may have to be reported to Federal and/or local
authorities. See the Regulatory Information section (#15) regarding
reporting requirements.

VII. HANDLING AND STORAGE

NORMAL HANDLING: Always wear recommended personal protective equipment. The
primary exposure route is inhalation of dust when machine/punched or from fumes or vapors when
heated.

STORAGE RECOMMENDATIONS: N/A

VIII. EXPOSURE CONTROLS/PERSONAL PROTECTION

ENGINEERING CONTROLS: Use local exhaust ventilation to control dust.

PERSONAL PROTECTIVE EQUIPMENT

SKIN PROTECTION: For brief contact to dust, no precautions other than clean
body-covering clothing should be needed. Use gloves and aprons when prolonged or frequently repeated
contact occurs.

EYE PROTECTION: Use appropriate eye protection when machining material.

RESPIRATORY PROTECTION: Atmospheric levels of Fibrous glass and Copper Dust
should be maintained below exposure guidelines. When respiratory protection is required for
certain operations, use a NIOSH-approved dust respirator.

ADDITIONAL RECOMMENDATIONS: N/A

EXPOSURE GUIDELINES: Guidelines exist for the following ingredients

Ingredient Name CAS. NO. ACGIH TLV
OSHA PEL Other Limit

Copper Dust (7440-50-8) 1
mg/m3 I mg/m3 N/A
Fibrous Glass Dust (65997-17-3) 10 mg/m3
None I f/cc >5u

long and 3:1

aspect ratio, TWA

Other exposure limits for the decomposition products normally associated
with product use are as follows: None

IX. PHYSICAL AND CHEMICAL PROPERTIES

APPEARANCE: Yellow to amber sheets

PHYSICAL STATE: Solid

MOLECULAR WEIGHT: N/A

CHEMICAL FORMULA: N/A

ODOR: None, unless heated

SPECIFIC GRAVITY (Water = 1.0): 1.5 +/- 0.25

SOLUBILITY IN WATER: (Weight %) Negligible in most aqueous and organic
solvents.

pH: N/A
BOILING POINT: N/A
MELTING POINT: N/A
VAPOR PRESSURE: N/A
VAPOR DENSITY: (Air = 1.0) N/A
EVAPORATION RATE: N/A Compared to: N/A
% VOLATILES: N/A
FLASH POINT: N/A

(Flash point method and additional flammability data are found in section
5.)

X. STABILITY AND REACTIVITY

NORMALLY STABLE: (conditions to avoid) Stable

INCOMPATIBILITIES: Not determined

HAZARDOUS DECOMPOSITION PRODUCTS: CO. CO2,HBr, oxides of nitrogen if heated
in excess of 300° C.

HAZARDOUS POLYMERIZATION: None

XI. TOXICOLOGICAL INFORMATION

IMMEDIATE (ACUTE) EFFECTS: Dust may cause moderate eye, skin and respiratory
irritation.

DELAYED (SUBCHRONIC & CHRONIC) EFFECTS: NTP has determined that respirable
size glasswool may be reasonably anticipated to be a carcinogen. IARC has
also classified glasswool as a possible carcinogen. Our product is
reinforced with continuous filament fiberglass. Dust generated from the
cutting, grinding, machining, etc. would not be expected to produce
respirable particles. IARC considers glass filaments as unclassifiable or
probably non-carcinogenic.

OTHER DATA: The toxicity of the combustion products was evaluated in a
similar product with 95% confidence limits; the LC5O was calculated (Probit
Analysis) to be 40.4 (32.3-69.9) mgIL. The LC5O of the standard reference
material, Douglas fir, is 27.1 mg/L.

XII. ECOLOGICAL INFORMATION

Not Biodegradable

XIII. DISPOSAL CONSIDERATIONS

RCRA

Is the unused product a RCRA hazardous waste if discarded: No

OTHER DISPOSAL CONSIDERATIONS: Disposal must be made in accordance with all
applicable Local, State and Federal regulations. Copper should be recycled.

The information offered here is for the product as shipped. Use and/or
alterations to the product such as mixing

XIV. TRANSPORT INFORMATION

US DOT HAZARD CLASS: Not regulated

US DOT ID NUMBER: N/A

For additional information on shipping regulations affecting this material,
contact the information number found on the first page.

XV. REGULATORY INFORMATION

TOXIC SUBSTANCES CONTROL ACT (TSCA)

TSCA INVENTORY STATUS: The resin system components used to make this
material are on the TSCA

inventory list.

OTHER TSCA ISSUES: N/A

SARA TITLE III/CERCLA

RQs & TPQs: Reportable Quantities? (RQs) and/or ?Threshold Planning
Quantities? (TPQs) exist for the following ingredients.

SARA/CERCLA SARA EHS
Ingredient
RQ(lbs) TPQ(lbs)
N/A
N/A N/A

Spills/releases resulting in the loss of any ingredient at or above its RQ
requires immediate notification to the National Response Center
(1-800-424-8802) and to your Local Emergency Planning Committee.

SECTION 311 HAZARD CLASS: N/A

SARA 313 TOXIC CHEMICALS:

The following ingredients are SARA 313 ?Toxic Chemicals?. CAS #~s and wt.%
are found in section ~2.

Ingredient CAS.
NO. Comment
Copper
(7440-50-8) Recycle

STATE RIGHT TO KNOW:

In addition to the ingredients found in section 2, the following are listed
for state right-to-know purposes:

Ingredient Wt.% Comment
N/A N/A N/A

ADDITIONAL REGULATORY INFORMATION

Injectorall Electronics Corp. does not use polybromide-biphenls or
polybromide-biphenyloxides as a fire

retardant in any of our epoxy or phenolic resin systems.

WHMIS CLASSIFICATION (CANADA): N/A

FOREIGN INVENTORY STATUS: N/A

XVI. OTHER INFORMATION

CURRENT ISSUE DATE: 7/15/94

Although the information and recommendations in this Material Safety Data
Sheet (?information?) are presented faith and believed to be correct as of
the date stated above. Injectorall Electronics Corp. makes no warranty as to
the completeness or accuracy of this information. This information is
supplied with the condition that the persons receiving it will make their
own determination as to its suitability for their purpose prior to
implementation.

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Contact Information

Telephone

631-563-3388 Live operators 24 hours a day 7 days a week

FAX

631-563-3389

Postal address

110 Keyland Court, Bohemia, NY 11716

Toll Free Phone #

800-878-7227 Live operators 24 hours a day 7 days a week

Electronic mail

General Information: injectorall@mindspring.com

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