| 1 |
PLASTER |
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| 2 |
Plaster Mixing & Setting |
Potassium sulfate & alum slightly toxic, borax moderately toxic, lime highly toxic |
Dust irritating, borax moderately toxic, lime highly toxic |
Potassium alum slightly toxic, borax slightly toxic, burnt lime moderately toxic |
Acetic acid highly corrosive |
Wear dust mask; vacuum or mop dust; don't sweep; wear gloves & goggles |
| 3 |
Plaster Modeling & Carving |
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Silica sands, vermiculite dust highly toxic |
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Sharp tools cause accidents; chips can damage eyes |
Wear dust mask; clean up dust by wet mopping or vacuuming; carve away from you; if tool falls, don't try to catch it; wear safety goggles |
| 4 |
Casting in Plaster |
Benzine highly toxic |
Benzine moderately toxic |
Benzine moderately toxic |
Benzine flammable; making plaster casts can cause burns |
Wear gloves and goggles; store in safety containers; don't use near open flames; don't use plaster for body-part casts; use plaster bandage |
| 5 |
Finishing Plaster |
Powdered pigments haz. |
Powdered pigments haz., lacquers highly toxic |
Powdered pigments haz., lacquers moderately toxic, alcohol,shellac slightly toxic |
Solvents flammable; spraying acrylics highly haz. |
Wear dust mask, gloves, goggles; spray in spray booth; use respirator, good ventilation; keep solvents away from flames; brush/dip plaster |
| 6 |
STONE |
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| 7 |
Soft Stone Carving |
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Silica highly toxic; asbestos highly toxic |
Flying chips/rocks can injure eyes |
Falling tools can injure; lifting can damage back |
Don't use stones w/asbestos; wear dust respirator; vacuum/wet mop; wear goggles, protective shoes; carve away from you; lift properly |
| 8 |
Hard Stone Carving |
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Silica highly toxic; dust hazardous |
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Noise hazard; vibration can damage hands; risk of electric shock |
Tools should have portable exhaust systems; make sure tools are grounded; wear ear plugs; have hand grips; direct air blast away from you; tie hair back |
| 9 |
Stone Casting |
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Calcium oxide highly corrosive; silica highly toxic |
Calcium oxide highly corrosive to eyes; moderately corrosive to skin |
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Wear respirator; vacuum/wet mop; have exhaust system; wear goggles, gloves |
| 10 |
Lapidary |
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Quartz gemstones highly toxic (silica); opal slightly toxic |
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Gem cutting machines create high noise levels |
Wear hearing protectors; install ground fault circuit interrupters; keep motors away from water |
| 11 |
Stone Finishing |
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Dust haz.; tripoli (silica) highly toxic |
Pieces of stone & dust haz. |
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Use local exhaust ventilation; use wet sanding/polishing technique, wear safety goggles, face shield, respirator; tie back loose materials |
| 12 |
MODELING MATERIALS |
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Silica highly haz.; talcs w/asbestos highly haz. |
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Firing clay in kiln can release toxic gases |
Don't use asbestos-contaminated talcs; buy premixed clay; use ventilation, respirator; wet mop; wear special clothes to work in |
| 13 |
Nonhardening Modeling Clays |
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Sulfur dioxide can cause respiratory problems |
Turpentine or preservatives can cause skin irritation |
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Use gloves; apply barrier cream to hands if skin irritation results |
| 14 |
Hardening Modeling Clays |
Baking in oven also used for food can contaminate food |
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Many contained di-ethylhexyl phthalate (DEHP), a carcinogen |
Don't bake oven-hardening clays in ovens used for food; don't use clays containing DEHP, also called dioctyl phthalate |
| 15 |
WAX |
Benzine, turpentine moderately toxic |
Wax vapors highly irritating; alcohol/ acetate slightly toxic; benzine, turpentine moderately toxic |
Alcohol/acetone slightly toxic; benzine, turpentine moderately toxic |
Explosions; carbon tetrachloride extremely toxic; chlorine waxes highly toxic |
Don't overheat waxes; don't use open flame to melt waxes; use least haz. solvent to dissolve wax; don't use carbon tetrachloride/chlorinated synthetics |
| 16 |
PLASTICS |
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| 17 |
Acrylic Resins |
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Methyl methacrylate moderately toxic |
Methyl methacrylate moderately toxic; benzoyl peroxide slightly irritating |
Benzoyl peroxide flammable; acrylic polymer dust sensitizer |
Wear gloves; use good local exhaust ventilation or window exhaust fan; use respirator; use care w/ benzoyl peroxides; wear dust mask |
| 18 |
Amino & Phenolic Resins |
Formaldehyde highly toxic |
Formaldehyde highly toxic; phenol highly toxic |
Formaldehyde moderately toxic; phenol highly toxic |
Formaldehyde carcinogen; carbon monoxide, cyanide released |
Avoid formaldehyde; wear gloves w/amino & phenolic resins; use adequate local exhaust ventilation; follow mixing instructions carefully |
| 19 |
Epoxy Resins |
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Respiratory irritants; amine hardeners highly toxic |
Moderately toxic; amine hardeners moderately toxic |
Diglycidyl ethers carcinogenic; solvents toxic |
Wear goggles, gloves; use local exhaust ventilation, window exhaust fan, respirator; prevent fires from flammable solvents |
| 20 |
Polyester Resins |
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Styrene highly toxic, cobalt naptha moderately toxic, dimethylaniline highly toxic |
Styrene moderately toxic, cobalt napthalene moderately toxic, dimethylaniline highly toxic |
Styrene carcinogenic, fiberglass skin & respiratory irritant, solvents flammable |
Wear gloves, protective goggles; use local exhaust hood, respirator, spray booth; clean up spills; use barrier cream; store solvents safely |
| 21 |
Polyurethane Resins |
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Isocyanates extremely. toxic; amines moderately; fluorocarbons slightly toxic |
Amines moderately toxic; organotin highly toxic |
Heating releases haz. solvents; dust irritant to skin & respiratory system |
Don't use them if you have respiratory problems; use spray booth, respirator; wear gloves, goggles |
| 22 |
Silicones & Natural Rubbers |
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Acetic acid irritating; methanol moderately toxic; n-Hexane highly toxic |
Silicone resin moderately toxic; rubber latex irritating |
Methylene chloride highly toxic by inhalation, 111-trichloroethylene toxic |
Use water-based or heptane-based adhesives; use ventilation; wear gloves, goggles; people w/heart problems shouldn't use methylene chloride products |
| 23 |
Organic Peroxides |
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Cumene hydroperoxide moderately toxic; benzoyl peroxide slightly toxic |
Highly flammable & explosive; MEK peroxide causes blindness |
Don't store peroxide in glass container; don't store large amounts; don't add accelerator to peroxide or acetone to MEK peroxide; don't heat; do soak tools/containers in water before disposal |
| 24 |
Finished Plastics |
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Polymer dusts irritating; heat produces highly toxic gases |
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Solvents highly toxic; haz. gases released, can be carcinogenic |
Use good ventilation, cooled tools, respirator; have dust-collectors on tools; vacuum/wet mop dust; wear gloves, goggles; use low toxic. solvents |
| 25 |
Plastics Additives |
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Organic phosphate esters highly toxic; DEHP carcinogenic |
Organic phosphate esters haz. |
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AVOID asbestos, phosphate esters, DEHP; wear respirator |
