Donald F Groce Showa Best Glove Inc

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?

Needs Maximum Protection

Heavy Exposure

May be Unknowns

Present

Exposure Could be Life Threatening

Make Sure the Choice is

Clear

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?

Sometimes the Hazards are Not Life Threatening

What Glove Should I use for

Limited Exposure?

What glove Should I use for

dilutions of chemicals?

What is the What is the Difference Difference Difference Between Between Between

these these these Polymers?Polymers?Polymers?

How to How to How to Choose the Choose the Choose the Choose the Choose the right gloveChoose the Choose the right gloveright glove

What What standards standards standards prove the prove the prove the

safety of the safety of the safety of the glove?

safety of the safety of the safety of the safety of the glove?glove?

Dilute Acids and CausticsDilute Acids and Caustics

BleachBleach

Aqueous ChemicalsAqueous Chemicals

DetergentsDetergents

Crystalline SolidsCrystalline Solids

Janitorial ChemicalsJanitorial Chemicals

Do NOT Use Latex with Fuels!

The ECONOMY Glove

Oil Spill Clean Up

Limited Chemical Protection

Long wearing

PVC is good for multiple hazards

The ACID GloveThe ACID Glove

Petrochemicals or FuelsPetrochemicals or Fuels

Aqueous ChemicalsAqueous Chemicals

Acids & CausticsAcids & Caustics

AcetoneAcetone

MEKMEK

Methylene ChlorideMethylene Chloride

Don’t Use forDon’t Use for

Neoprene protection at Neoprene protection at Neoprene protection at an economical price

Neoprene protection at an economical pricean economical price

Less expensive than Less expensive than 100% Neoprene gloves100% Neoprene gloves100% Neoprene gloves

Neoprene over Natural Neoprene over Natural Neoprene over Natural Rubber Economy GloveNeoprene over Natural Rubber Economy GloveRubber Economy Glove

Some Hydrocarbons, Aromatic

Hazmat Incidents

Fuels

Hydrocarbons aliphatic

Poultry Processing

Janitorial Replacement for Latex

Versatile: Also used in Food Service

Oil Spills

The Fuel Glove for Petrochemical

NOT Gasoline or FuelsNOT Gasoline or Fuels

Nerve Gases (WMD)Nerve Gases (WMD)

GasesGases

KetonesKetones

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

Sometimes not comfortable and lack touch Sometimes not comfortable and lack touch sensitivity

Sometimes not comfortable and lack touch Sometimes 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

What is Chemical Resistance?

Permeation

Visible changeVisible change

Weight changeWeight change

Swelling or DiscolorationSwelling or Discoloration

Dissolving or Delaminating of Dissolving or Delaminating of CoatingDissolving or Delaminating of Dissolving or Delaminating of CoatingCoating

ASTM F739-07 Heavy Exposure

ASTM F1383-07 Intermittent Contact

EN 374 European Chemical Resistance Standard

Polymer Membrane

Diffusion

Solvent Molecules

Desorption or Exposure

Diffusion through Polymer

Adsorption or Uptake

Three Steps

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

Polymer Membrane

Diffusion

Polymer Membrane

More Layers = Even Longer Breakthrough More Layers = Even Longer Breakthrough Time

More Layers = Even Longer Breakthrough More 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

Typical Open Loop Typical Open Loop Configuration

Typical Open Loop Typical Open Loop ConfigurationConfiguration

Test Test ChemicalChemicalChemical

Test Test Gloves Gloves Gloves

MaterialGloves Gloves

MaterialMaterial

ASTM Normalized Breakthrough Time = 150 minutes Where Rate > 0.1 µg/cm2/min

Steady State Permeation Rate

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

On-Line Databases

• www.chemrest.com

Part Two:

Go to www.chemrest.com

www.chemrest.com

Select from hundreds of chemicals

Search by Chemical Name

Search by CAS Number

Search for Perchloroethylene

Results:

Nitri-Solve® 727 and 730

Viton 890 and 892

ANSI Level 6 >480 Minutes is Displayed

These Gloves Do Not Work

Not a Good Choice

Gloves Become Swollen and Tear Readily

Degradation shows severe changes in minutes

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.

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

Problem: A customer is using a solvent to remove sticky glue.

MSDS Shows the main ingredient is Hexane

Go to www.chemrest.comSelect a glove for use with Hexane

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

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

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

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

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

Protecting Hands

That is what we do Best!