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Safer Stripping and Cleaning Chemicals
for Coatings and Polymers
These stripping and cleaning chemicals are marketed as alternatives to chlorinated solvents—especially methylene chloride. In some cases, these solvents require more time or stronger physical action for cleaning surfaces. All have lower rates of evaporation and drying than the chlorinated solvents they replace.
Safety Information
Most alternatives are safer than chlorinated solvents because their slow evaporation rates result in low worker exposure. Consider the following safety information when selecting an alternative chemical.
Exposure limit. Exposure limit estimates, based on
eight-hour exposure, given in the following table are
made by the Occupational Safety and Health Administration (OSHA), the American Congress of Governmental Industrial Hygienists (ACGIH) or the product manufacturer. OSHA establishes the legally enforceable standard. But, the ACGIH standard is generally recognized as the prudent industrial standard in the absence of an OSHA limit or when new information suggests an established OSHA limit is too lenient.
Vapor hazard ratio. The vapor hazard ratio is the likelihood that an exposure limit will be exceeded with normal use. It does not apply if the solvent will be sprayed or atomized. It is estimated by dividing the vapor pressure of a product, the tendency of a solvent to get into the air, by the exposure limit, its risk. The higher the number, the greater the chance the exposure limit will be exceeded due to solvent evaporation. This is a comparison of relative risks, this scale does not indicate a chemical is unsafe.
Hazard rating. A hazard rating for health, flammability and reactivity is assigned to pure chemicals by the National Fire Protection Association (NFPA). A similar rating can be assigned to products by their manufacturer using the National Paint and Coatings Association (NPCA) Hazardous Materials Information Systems (HMIS) criteria. Because the HMIS is more subjective, the table on the following pages gives HMIS ratings only in the absence of NFPA ratings.
Alternative
Chemicals
The cleaning claims in this reference list are made primarily by the manufacturer. Some claims are augmented by reports from the U.S. Environmental Protection Agency (EPA) and third parties. MnTAP maintains the following list of alternative stripping and cleaning chemicals for coatings and polymers solely as a service to Minnesota companies. This is not a complete list of available products and does not represent an endorsement by MnTAP. MnTAP, by providing the list, does not represent that the products do or do not ensure compliance with environmental and safety laws in any specific application.
Table Key
a Vapor pressure measured at approximately 20º C.
b Vapor hazard ratio is calculated by dividing the vapor pressure by 760 millimeters mercury (mmHg), multiplying by one million to estimate the equilibrium vapor concentration in parts per million (ppm), and then dividing by the exposure limit in ppm.
c Estimated by the manufacturer, based on HMIS criteria.
d Based on status as a suspected carcinogen.
NA: not established.
For More Information
MnTAP has a variety of technical assistance services available to help Minnesota businesses implement industry-tailored solutions that maximize resource efficiency, prevent pollution, increase energy efficiency, and reduce costs.Our information resources
are available online. Or, call MnTAP at 612.624.1300
or 800.247.0015 from greater Minnesota
for personal assistance.
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Painting & Wood Finishing
2009 Paint and Powder Coating Expo
Coatings & Equipment
Paint Stripping
Pretreatment/Cleaning
Unused Paint
Wood Finishing
- Powder Coating on MDF
- UV Curable Wood Finishing
Training & Associations
Regulatory Information
A to Z Waste Topics |
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| Supplier |
Products/Residues
Removed |
Flash Point |
Exposure Limit |
Vapor Pressure
(mmHg)a |
Vapor Hazard
Ratiob |
Hazard Rating |
Chemetall
Oakite
Berkeley Heights, NJ
800/526-4473 |
Eurostrip
Two part alkaline stripper.
Removes: acrylic, epoxy, polyester, powder paint and urethane.
Guardostrip acidic stripper
Removes: epoxy, lacquer, melamine/acrylic and vinyl. |
>200° F
>200° F
|
not established
not established
|
not established
NA
|
NA
NA
|
NA
NA
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Chemical Marketing
Corp.
Blaine, MN
866/388-6827 |
Enviro Strip 1 N-methyl-2-pyrrolidone (NMP) Dibasic esters (DBE) blend
Enviro Strip 3 NMP blend
Both remove: acrylic, epoxy, polyester and urethane. |
>195° F
>180° F
|
100 ppm (International Specialty Products [ISP])
100 ppm (ISP)
|
0.29
<1
|
38
20
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2:1:0
2:1:0
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Cook
Composites and Polymers
Kansas City, MO
800/821-3590 |
DBE and NMP solvent blends
Removes: epoxy, phenolic, polybutadiene, polyester, urethane and vinyl ester.
Petroleum solvent blends
Removes: adhesive, epoxy, EVA resin, grease, ink, oil, paint and urethane.
Replacetone and aqueous resin emulsifiers
Removes: epoxy, paint and polyester. Waterbased.
Thermaclean products
Aqueous cleaners.
Removes: alkyd, grease, oil, polyester and wax. |
>200° F
142° F
220° F
200° F |
1.5 ppm (DuPont)
100 ppm (ISP)
50 ppm
not established
not established |
0.2
<1
22
NA |
175
NA
NA
NA
|
2:1:0c
2:2:0c
0:0:0c
1:1:0c |
Dynaloy,
Inc.
Indianapolis, IN
800/669-5709 |
Dynasolve, Family of 14 products made from combinations of glycol ethers, NMP and petroleum solvents.
Removes: acrylic resin, adhesive, cured silicone, cyanoacrylate, epoxy, hot melt, paint, polyimide and urethane. |
varies |
varies with each,
typically 100 ppm |
<2
varies |
NA |
NA |
Gaylord
Chemical Corp.
Slidell, LA
985/649-5464 |
Dimethyl sulfoxide (DMSO)
Removes: acrylic, epoxy, paint, photo resist and polyurethane. |
192° F |
100 ppm (DuPont) |
0.46 |
0 |
1:1:0 |
| Note: If placed in a reducing environment, like a wastewater stream, DMSO will create strong odors even at low concentrations. Odors can be neutralized by oxidizing releases with bleach, peroxide or ultra violet (UV) light. |
Henkel Corporation Aerospace
Bay Point, CA
925/458-8000
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Turco 6776LO
Aqueous solution containing 5% formic acid.
Turco 6813
Aqueous solution containing 2% ammonia.
Both remove: alkyd paint, cured epoxy, enamel and polyurethane. |
none
none |
5 ppm (formic acid/OSHA)
25 ppm (ammonia/OSHA) |
<2
<2 |
26
2.1 |
NA
NA |
Inland
Technology, Inc.
Tacoma, WA
800/552-3100 |
Formulated solvents:
Citrex
Removes: carbon grease and paint.
Isoprep
Removes: asphalt, glue, oil and wax.
Xcaliber
Removes: ink, paint, uncured composite and urethane foam. |
144° F
104° F
136° F
|
not established
not established
not established
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<2
<10
<2
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NA
NA
NA
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1:2:0
1:2:0
1:2:0 |
International
Specialty Products (ISP)
Wayne, NJ
800/622-4423 |
NMP
Formulated products: Ship Shape, Isoprep and GAF Solver.
Removes: ABS, epoxy, ink, lacquer, polyamide, polycarbonate, polyester, polyurethane, polyvinyl chloride (PVC) and varnish. |
200° F |
100 ppm (ISP) |
0.29 |
3.9 |
2:1:0 |
Invista
Wilmington, DE
800/231-0998
Distributors:
Ashland Specialty Chemical
800/582-0376
Chem Central
800/346-0212 |
DBE
Removes: acrylic, ink, paint, polyester, polystyrene and polyurethane. |
212˚ F |
1.5 ppm (DuPont) |
0.2 |
175 |
1:1:0 |
Lyondell
Chemical Company
Houston, TX
888/777-0232 |
NMP
Removes: ABS, epoxy, ink, lacquer, polyamide, polycarbonate, polyester, polyurethane, PVC and varnish.
Propylene carbonate
Removes: alkyd paint, epoxy resin and urethane resin. |
200° F
226°F |
100 ppm (ISP)
not established |
0.29
0.03 |
3.9
NA |
2:1:0
1:1:0 |
PURAC
America, Inc.
Lincolnshire, IL
847/634-6330 |
Butyl lactate
Ethyl lactate
Methyl lactate
All remove: epoxy, grease, ink, isocyanate, mold release, oil, paint, polyamide resin, rosin flux and urethane. |
174˚ F
131˚ F
136˚ F |
4.1 ppm (PURAC)
3.3 ppm
not established |
1.7
1.5
2.6 |
545
598
NA |
2:2:0c
1:1:0
1:2:0c
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Shell
Chemical Company
Houston, TX
866/897-4355
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Diacetone alcohol
Removes: acrylic resin, epoxy resin and fiberglass reinforced plastic. |
133° F |
50 ppm (OSHA) |
0.95 |
26 |
2:2:0 |
| Chlorinated Solvent for Comparison |
| Supplier |
Products/Residues
Removed |
Flash Point |
Exposure Limit
|
Vapor
Pressure (mmHg)a |
Vapor Hazard
Ratiob |
Hazard
Rating |
| Various |
Methylene
chloride
(DiChloroMethane)
Removes: most coatings and resins. |
none |
25 ppm (OSHA) |
380 |
20,000d |
2:1:0 |
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