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The quality of chrome dipping or plating is crucial. If you use a low-quality chrome plating, the porosity or pinholes in the finished piece are worse than if no plating was used at all. This is because the underlying steel will rust. Poor-quality chrome plating that shows tiny rust spots when you purchase it is a defect, and you should return it.
When you hear the term &#;show chrome&#;, it means that the chrome is high-quality enough to be used on a car that is entered in a car show. Lovers of chrome believe that copper-plating the item first and buffing it to a full sheen before nickel-plating is the key.
High-quality plating jobs normally require your part to have two layers of nickel before the chrome is applied.
Salespeople may throw around terms like triple-chrome plating to mean that there are 3 layers of any type of plating. This simply is their effort to convince you to make a purchase and means very little.
Durable chrome plating meant for outdoor exposure should have a minimum of two layers of nickel plating before the chrome plating is applied. it should include a layer of semi-bright nickel that is followed by a layer of bright nickel because the bright nickel is anodic to semi-bright nickel, making it resist corrosion better. Chrysler developed a test that is used by large shops each day to make certain that the chrome plating has the correct protections. Restoration shops that only offer single-layer nickel plating must apply it in a very heavy layer in order to guarantee corrosion resistance.
Product Name: Chromium Powder
CAS #: -47-3
Relevant identified uses of the substance: Scientific research and development
Supplier details:
Stanford Advanced Materials
:
: (949) 407-
Address: Birtcher Dr., Lake Forest, CA U.S.A.
Classification of the substance or mixture
Classification according to Regulation (EC) No /
GHS02 Flame
Flam. Sol. 2 H228 Flammable solid.
GHS08 Health hazard
Carc. 2 H351 Suspected of causing cancer.
Classification according to Directive 67/548/EEC or Directive /45/EC
Xn; Harmful
R40: Limited evidence of a carcinogenic effect.
F; Highly flammable
R11: Highly flammable.
Information concerning particular hazards for human and environment:
N/A
Hazards not otherwise classified
No data available.
Label elements
Labelling according to Regulation (EC) No /
The substance is classified and labeled according to the CLP regulation.
Hazard pictograms
GHS02 GHS08
Signal word: Warning
Hazard statements
H228 Flammable solid.
H351 Suspected of causing cancer.
Precautionary statements
P210 Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P281 Use personal protective equipment as required.
P308+P313 IF exposed or concerned:
Get medical advice/attention.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local/regional/national/international
regulations.
WHMIS classification
B4 - Flammable solid
D2B - Toxic material causing other toxic effects
Classification system
HMIS ratings (scale 0-4)
(Hazardous Materials Identification System)
HEALTH
FIRE
REACTIVITY
1
2
1
Health (acute effects) = 1
Flammability = 2
Physical Hazard = 1
Other hazards
Results of PBT and vPvB assessment:
PBT: N/A.
vPvB: N/A
Substances
CAS No. / Substance Name:
-47-3 Chromium
Identification number(s):
EC number: 231-157-5
Description of first aid measures
If inhaled:
Supply fresh air. If not breathing, provide artificial respiration. Keep patient warm.
Seek immediate medical advice.In case of skin contact:
Immediately wash with soap and water; rinse thoroughly.
Seek immediate medical advice.
In case of eye contact:
Rinse opened eye for several minutes under running water. Consult a physician.
If swallowed:
Seek medical treatment.
Information for doctor
Most important symptoms and effects, both acute and delayed
No information available.
Indication of any immediate medical attention and special treatment needed
No information available.
Extinguishing media
Suitable extinguishing media
Special powder for metal fires. Do not use water.
For safety reasons unsuitable extinguishing media
Water
Special hazards arising from the substance or mixture
If this product is involved in a fire, the following can be released:
Toxic metal oxide fume
Advice for firefighters
Protective equipment:
Wear self-contained respirator.
Wear fully protective impervious suit.
Personal precautions, protective equipment and emergency procedures
Wear protective equipment. Keep unprotected persons away.
Ensure adequate ventilation
Keep away from ignition sources
Environmental precautions:
Do not allow material to be released to the environment without official permits.
Do not allow product to reach sewage system or any water course.
Do not allow to penetrate the ground/soil.
Methods and material for containment and cleanup:
Keep away from ignition sources.
Dispose of contaminated material as waste according to section 13.
Ensure adequate ventilation.
Prevention of secondary hazards:
Keep away from ignition sources.
Reference to other sections
See Section 7 for information on safe handling
See Section 8 for information on personal protection equipment.
See Section 13 for disposal information.
Handling
Precautions for safe handling
Keep container tightly sealed.
Store in cool, dry place in tightly closed containers.
Ensure adequate ventilation.
Information about protection against explosions and fires:
Protect against electrostatic charges.
Conditions for safe storage, including any incompatibilities
Storage
Requirements to be met by storerooms and receptacles:
Store in a cool location.
Information about storage in one common storage facility:
Store away from oxidizing agents.
Further information about storage conditions:
Keep container tightly sealed.
Store in cool, dry conditions in well-sealed containers.
Specific end use(s)
No information available.
Additional information about design of technical systems:
Properly operating chemical fume hood designed for hazardous chemicals and having an average
face velocity of at least 100 feet per minute.
Control parameters
Components with limit values that require monitoring at the workplace:
-47-3 Chromium (100.0%)
PEL (USA) Long-term value: 1* 0.5** mg/m³
*metal;**inorganic compds., as Cr
REL (USA) Long-term value: 0.5* mg/m³
*metal+inorg.compds.as Cr;See Pocket Guide App. C
TLV (USA) Long-term value: 0.5 mg/m³
EL (Canada) Short-term value: C 0.1*** ppm
Long-term value: 0.5* 0.01** 0.025*** mg/m³
IARC1,ACGIH A1;*metal, inorg.**insol.;**water-sol.
EV (Canada) Long-term value: 0.05 mg/m³
Additional information: No data
Exposure controls
Personal protective equipment
Follow typical general protective and industrial hygiene measures for handling chemicals.
Keep away from foodstuffs, beverages and feed.
Remove all soiled and contaminated clothing immediately.
Wash hands before breaks and at the end of work.
Breathing equipment:
Use suitable respirator when high concentrations are present.
Protection of hands:
Impervious gloves
Inspect gloves prior to use.
Suitability of gloves should be determined both by material and quality, the latter of which may vary by
manufacturer.
Penetration time of glove material (in minutes): No data available.Eye protection: Safety glasses
Body protection: Protective work clothing.
Information on basic physical and chemical properties
Appearance:
Form: Powder
Color: gray
Odor: Odorless
Odor threshold: No data available.
pH: N/A.
Melting point/range: °C ( °F)
Boiling point/range: °C ( °F)
Sublimation temperature / start: No data available.
For more information, please visit Metal Element Additives Manufacturer.
Flammability (solid, gas): Highly flammable.
Ignition temperature: No data available.
Decomposition temperature: No data available.
Auto igniting: No data available.
Danger of explosion: No data available.
Explosion limits:
Lower: No data available.
Upper: No data available.
Vapor pressure at 20 °C (68 °F): 0 hPa
Density at 20 °C (68 °F): 7.19 g/cm³ (60.001 lbs/gal)
Bulk density at 20 °C (68 °F): kg/m³
Relative density: No data available.
Vapor density: N/A.
Evaporation rate: N/A.
Solubility in Water (H
2
O): Insoluble
Partition coefficient (n-octanol/water): No data available.
Viscosity:
Dynamic: N/A.
Kinematic: N/A.
Other information
No further relevant information available
Reactivity
No data available.
Chemical stability
Stable under recommended storage conditions.
Thermal decomposition / conditions to be avoided:
Decomposition will not occur if used and stored according to specifications.
Possibility of hazardous reactions
No dangerous reactions known
Conditions to avoid
No information available.
Incompatible materials:
Oxidizing agentsHazardous decomposition products:
Toxic metal oxide fume
Information on toxicological effects
Acute toxicity:
The Registry of Toxic Effects of Chemical Substances (RTECS) contains acute toxicity data for
components in this product.
LD/LC50 values that are relevant for classification: No data
Skin irritation or corrosion: May cause irritation
Eye irritation or corrosion: May cause irritation
Sensitization: No sensitizing effects known.
Germ cell mutagenicity:
The Registry of Toxic Effects of Chemical Substances (RTECS) contains mutation data for this
substance.
Carcinogenicity:
Suspected of causing cancer.
IARC-3: Not classifiable as to carcinogenicity to humans.
ACGIH A4: Not classifiable as a human carcinogen: Inadequate data on which to classify the agent in
terms of its carcinogenicity in humans and/or animals.
(inhalation) EPA-A: human carcinogen: sufficient evidence from epidemiologic studies to support a
causal association between exposure and cancer.
(inhalation) EPA-K: Known human carcinogens.
(oral) EPA-D: Not classifiable as to human carcinogenicity: inadequate human and animal evidence of
carcinogenicity or no data are available.
(oral) EPA-CBD: Carginogenic potential cannot be determined.
The Registry of Toxic Effects of Chemical Substances (RTECS) contains tumorigenic and/or carc
inogenic and/or neoplastic data for this substance.
Reproductive toxicity:
The Registry of Toxic Effects of Chemical Substances (RTECS) contains reproductive data for this
substance.
Specific target organ system toxicity - repeated exposure: N/A
Specific target organ system toxicity - single exposure: N/A
Aspiration hazard: N/A
Subacute to chronic toxicity: N/A
Additional toxicological information:
To the best of our knowledge the acute and chronic toxicity of this substance is not fully known.
Toxicity
Aquatic toxicity:
No information available.
Persistence and degradability:
No information available.
Bioaccumulative potential:
No information available.
Mobility in soil:
No information available.
Additional ecological information:General notes:
Do not allow material to be released to the environment without official permits.
Do not allow undiluted product or large quantities to reach ground water, water course or sewage
system.
Avoid transfer into the environment.
Results of PBT and vPvB assessment:
PBT: N/A.
vPvB: N/A.
Other adverse effects
No information available.
Waste treatment methods
Recommendation:
Consult state, local or national regulations to ensure proper disposal.
Uncleaned packagings:
Recommendation:
Disposal must be made according to official regulations.
UN-Number
DOT, IMDG, IATA
UN
UN proper shipping name
DOT
RQ Metal powders, flammable, n.o.s. (Chromium powder)
IMDG, IATA
METAL POWDER, FLAMMABLE, N.O.S. (Chromium powder)
Transport hazard class(es)
DOT
Class
4.1 Flammable solids, self-reactive substances and solid desensitised explosives.
Label
4.1
Class
4.1 (F3) Flammable solids, self-reactive substances and solid desensitised explosives
Label
4.1
IMDG, IATA
Class
4.1 Flammable solids, self-reactive substances and solid desensitised explosives.
Label
4.1
Packing group
DOT, IMDG, IATA
III
Environmental hazards:
N/A.
Special precautions for userWarning: Flammable solids, self-reactive substances and solid desensitised explosives
EMS Number:
F-G,S-G
Segregation groups
Heavy metals and their salts (including their organometallic compounds), powdered metals
Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code
N/A.
Transport/Additional information:
DOT
Hazardous substance:
lbs, kg
Marine Pollutant (DOT):
No
UN "Model Regulation":
UN, Metal powders, flammable, n.o.s. (Chromium powder), 4.1, III
Safety, health and environmental regulations/legislation specific for the substance or mixture
National regulations
All components of this product are listed in the U.S. Environmental Protection Agency Toxic
Substances Control Act Chemical substance Inventory.
All components of this product are listed on the Canadian Domestic Substances List (DSL).
SARA Section 313 (specific toxic chemical listings)
-47-3 Chromium
California Proposition 65
Prop 65 - Chemicals known to cause cancer
Substance is not listed.
Prop 65 - Developmental toxicity
Substance is not listed.
Prop 65 - Developmental toxicity, female
Substance is not listed.
Prop 65 - Developmental toxicity, male
Substance is not listed.
Information about limitation of use:
For use only by technically qualified individuals.
This product is subject to the reporting requirements of section 313 of the Emergency Planning and
Community Right to Know Act of and 40CFR372.
Other regulations, limitations and prohibitive regulations
Substance of Very High Concern (SVHC) according to the REACH Regulations (EC) No. /.
Substance is not listed.
The conditions of restrictions according to Article 67 and Annex XVII of the Regulation (EC) No
/ (REACH) for the manufacturing, placing on the market and use must be observed.
Substance is not listed.
Annex XIV of the REACH Regulations (requiring Authorisation for use)
Substance is not listed.
REACH - Pre-registered substances
Substance is listed.
Chemical safety assessment:
A Chemical Safety Assessment has not been carried out.
Safety Data Sheet according to Regulation (EC) No. / (REACH). The above information is
believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The
information in this document is based on the present state of our knowledge and is applicable to the
product with regard to appropriate safety precautions. It does not represent any guarantee of the
properties of the product.
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