The science in choosing the right chemical resistant glove can be tricky. This Magid presentation guides you through how to choose the right glove for your industrial and non-industrial applications and needs.

2. Donald F Groce
Showa Best Glove Inc

3. Is this the right glove?Needs
Dexterity
Not Much
Exposure
Can’t Really
Wear a Thick
Glove
Is a Thin Glove
Enough
Protection?
Would a
Thicker Glove
be Clumsy and
Unwieldy?

4. Needs
Maximum
Protection
Heavy
Exposure
May be
Unknowns
Present
Exposure
Could be Life
Threatening
Make Sure
the Choice is
Clear

5. There are Hundreds of Chemicals
How to Choose
Gloves
What Polymer
is Safest
How Long Will
I be Wearing
the glove?
How Much
Exposure?
How to find the
Answer On-
Line?

6. Sometimes the Hazards
are Not Life Threatening
What Glove
Should I use for
Limited
Exposure?
What glove
Should I use for
dilutions of
chemicals?

7. What is theWhat is the
DifferenceDifferenceDifference
BetweenBetweenBetween
thesethesethese
Polymers?Polymers?Polymers?
How toHow toHow to
Choose theChoose theChoose theChoose theChoose the
right glove
Choose theChoose the
right gloveright glove
WhatWhat
standardsstandardsstandards
prove theprove theprove the
safety of thesafety of thesafety of the
glove?
safety of thesafety of thesafety of thesafety of the
glove?glove?

8. Dilute Acids and CausticsDilute Acids and Caustics
BleachBleach
Aqueous ChemicalsAqueous Chemicals
DetergentsDetergents
Crystalline SolidsCrystalline Solids
Janitorial ChemicalsJanitorial Chemicals

9. Do NOT Use Latex with Fuels!

10. The ECONOMY Glove
Oil Spill Clean Up
Limited Chemical Protection
Long wearing
PVC is good for multiple
hazards

11. The ACID GloveThe ACID Glove
Petrochemicals or FuelsPetrochemicals or Fuels
Aqueous ChemicalsAqueous Chemicals
Acids & CausticsAcids & Caustics

12. AcetoneAcetone
MEKMEK
Methylene ChlorideMethylene Chloride
Don’t Use forDon’t Use for

13. Neoprene protection atNeoprene protection atNeoprene protection at
an economical price
Neoprene protection at
an economical pricean economical price
Less expensive thanLess expensive than
100% Neoprene gloves100% Neoprene gloves100% Neoprene gloves
Neoprene over NaturalNeoprene over NaturalNeoprene over Natural
Rubber Economy Glove
Neoprene over Natural
Rubber Economy GloveRubber Economy Glove

14. Some Hydrocarbons, Aromatic
Hazmat Incidents
Fuels
Hydrocarbons aliphatic

15. Poultry Processing
Janitorial Replacement for Latex
Versatile: Also used in Food Service
Oil Spills
The Fuel Glove for Petrochemical

16. NOT Gasoline or FuelsNOT Gasoline or Fuels
Nerve Gases (WMD)Nerve Gases (WMD)
GasesGases
KetonesKetones

17. NOT for Ketones (Acetone or MEK)NOT for Ketones (Acetone or MEK)
Benzene, Toluene & XyleneBenzene, Toluene & Xylene
Hydrocarbons AROMATICHydrocarbons AROMATIC
Hydrocarbons aliphaticHydrocarbons aliphatic
HALOGENATED CompoundsHALOGENATED Compounds

18. Sometimes not comfortable and lack touchSometimes not comfortable and lack touch
sensitivity
Sometimes not comfortable and lack touchSometimes not comfortable and lack touch
sensitivitysensitivity
Resists Aromatic ChemicalsResists Aromatic Chemicals
Resists AcetoneResists Acetone
Resists Methylene ChlorideResists Methylene Chloride
Most resistant to different mixturesMost resistant to different mixtures

20. What is Chemical Resistance?
Permeation

21. Visible changeVisible change
Weight changeWeight change
Swelling or DiscolorationSwelling or Discoloration
Dissolving or Delaminating ofDissolving or Delaminating of
Coating
Dissolving or Delaminating ofDissolving or Delaminating of
CoatingCoating

22. ASTM F739-07 Heavy Exposure
ASTM F1383-07 Intermittent Contact
EN 374 European Chemical Resistance Standard

23. Polymer
Membrane
Diffusion
Solvent
Molecules
Desorption or Exposure
Diffusion through
Polymer
Adsorption or Uptake
Three Steps

24. Polymer
Membrane
Diffusion
Solvent
Molecules
Most useful permeation term
How long till I am exposed?
Where Rate >0.1 µg/cm2/min
Time in Minutes

25. Polymer
Membrane
Diffusion
Polymer
Membrane
More Layers = Even Longer BreakthroughMore Layers = Even Longer Breakthrough
Time
More Layers = Even Longer BreakthroughMore Layers = Even Longer Breakthrough
TimeTime
Longer Breakthrough TimeLonger Breakthrough Time
Pass through Second LayerPass through Second Layer
Molecules must build up in Air LayerMolecules must build up in Air Layer
Air Layer between LayersAir Layer between Layers
Layering GlovesLayering Gloves

26. Typical Open LoopTypical Open Loop
Configuration
Typical Open LoopTypical Open Loop
ConfigurationConfiguration

27. TestTest
ChemicalChemicalChemical
TestTest
GlovesGlovesGloves
Material
GlovesGloves
MaterialMaterial

28. ASTM Normalized Breakthrough
Time = 150 minutes
Where Rate > 0.1 µg/cm2/min
Steady State Permeation Rate

29. Performance Levels EN 374 and ANSIPerformance Levels EN 374 and ANSI
Performance
Level
Breakthrough Time
in Minutes
0 < 10 minutes
1 > 10 minutes
2 > 30 minutes
3 > 60 minutes
4 > 120 minutes
5 > 240 minutes
6 > 480 minutes

30. On-Line Databases
• www.chemrest.com

31. Part
Two:
Go to
www.chemrest.com

32. www.chemrest.com
Select from
hundreds of
chemicals
Search by
Chemical Name
Search by CAS
Number
Search for
Perchloroethylene

33. Results:
Nitri-Solve® 727 and 730
Viton 890 and 892
ANSI Level 6
>480 Minutes is Displayed

34. These Gloves Do Not Work
Not a Good Choice
Gloves Become Swollen
and Tear Readily
Degradation shows severe
changes in minutes

35. Intermittent Exposure Data
Even for Limited Exposure, the Choices are
Very Limited.
ANSI Level 1
N-DEX Not
Recommended
Select the same gloves as Heavy Exposure.

36. ASTM Testing
F739-07 Total
Immersion 8 hour test
Worst Case
Scenario
F1383-07
Intermittent
Contact
4 hour test
May mimic
real life
situations
Options for
Exposure
Splash
Exposure

37. Problem: A customer is using a solvent to remove sticky glue.
MSDS Shows the main ingredient is Hexane
Go to www.chemrest.com
Select a glove for use with Hexane

38. Problem: Using previous results found, the customer
has requested documentation.
Please save the information from www.chemrest.com as a PDF
Go through steps to email to customer

39. Problem: Same Customer
Their exposure is limited or intermittent.
Show the Intermittent Data to show what other gloves
may work for Limited Contact in www.chemrest.com

40. Problem: Same Customer
The Customer wants documentation of the Intermittent Data.
Make a PDF of the data and send to the customer using
email using www.chemrest.com

41. Problem: Same Customer
The Customer wants a product sheet for Nitri Solve 730 gloves
Find the Product Sheet PDF and send to the customer
using email using www.chemrest.com

42. Problem: Same Problem Customer wants three things:
a product sheet for Nitri Solve 730 gloves
They also want documentation of the Heavy Exposure
Data.
They also want documentation of Intermittent Data.
Make one PDF of all of the desired data and send to
the customer using email using www.chemrest.com

43. Protecting Hands
That is what we do Best!