Chemical Solutions - 3 M Product

3M Corrosion Protection Products

© 3M 2007. All Rights Reserved



Chemical Solutions





Chemical Solutions

• Solvent Free Epoxies &

Polyurethanes

• Liquid Applied

• High Build

• Ultimate Resistance for…

– Storage Tanks

– Process Vessels

– Containment Bunds





M

E

T

A

L

B

L

A

S

T

E

D

Zinc primer – 1st coat

Zinc primer – 2nd coat

Coal Tar Epoxy

Moisture

entrapment

Solvent entrapment

Evaporation will result

in Permeability

Ingress of

Chemicals

Typical zinc & coal tar epoxy paint system





Cause of failure

• High percentage of solvents in paints

• Slow and incomplete evaporation

• Residual solvents

• Entrapped moisture between layers

• Poor engineered properties like

– Abrasion, impact and corrosion resistance

• High permeability





3M E.Wood Solvent Free Technology

3 dimensional complex cross linking of polymer molecules





Thortex

System

applied in

one or two

coats

Three dimensional highly complex

polymer matrix structure is highly

impermeable

Moisture over surface

Is displaced

(Hydrophobic Properties)

Thortex Solvent Free Technology

Coating

resists

Chemical

Attack





Chemical ResistanceChemical Immersion Tests - % Weight variation on Free Film Disc

CHEMI-TECH USR 1 Month 3 Month 6 Month 1 Year Comments

Sodium Hypochlorite +0.31 +0.25 +0.43 na Discontinued after 6 months

Diacetone Alcohol -0.18 -0.06 +0.00 +0.18

Ethanol +0.19 +0.45 +0.58 +0.90

Butyl Glycol -0.36 -0.12 +0.00 +0.30

Butyl Acetate -0.14 +0.14 +0.20 +0.55

PMA -0.44 -0.06 +0.13 +0.31

PME +0.06 +0.56 +0.56 +0.93

Dichloroethane -2.05 -1.81 -1.69 na Coated rod still OK after 1 year

Benzene +0.11 +0.32 +0.43 +0.65

Toluene -0.06 +0.31 +0.56 +0.87

Xylene +0.16 +0.27 +0.64 +1.02

Styrene +0.00 +0.62 +1.29 na Styrene polymerised

Unleaded Petrol +0.06 +0.29 +0.77 +0.88

Aviation Fuel +0.12 +0.36 +1.28 +0.91

MEK +1.61 +2.39 +2.63 +3.94

Methanol +2.38 +3.65 +5.33 +7.65

Ethyl Acetate +0.36 +0.77 +1.12 +1.73

n-Methyl Pyrrolidone -100.00 na na na

Chemical resistance charts for all Thortex Chemi-Tech Products

can be found in the Chemical Manual





Considerations

• Chemicals Involved

– Concentrations

• Service Temperatures

– Continuous

– Peak

• Immersion State

– Level

– Fluid Movement





Chemical Protection•Scotchkote 162 - Chemical Resistant

– 2 Pack Solvent Free Epoxy

•Scotchkote 162HB- Chemical Resistant– 2 Pack Solvent Free Epoxy – Plural feed high build

•Scotchkote 162PW - Potable Water– 2 Pack Solvent Free Epoxy

•Scotchkote 162PWX – Potable water– 2 Pack Solvent Free Epoxy – High Build Single Coat





Chemical Protection•Scotchkote KSIR88 - Chemical Resistant/Drinking Water

– 2 Pack Epoxy 65%VS

•Scotchkote 175 - Ultra Chemical Resistant


•Scotchkote 175SR - Ultra Solvent Resistant


•Scotchkote EA5/EA9 – Jet Fuel Oil






Chemical Protection•Scotchkote 165 – Chemical Resistant Dirty Water

– 2 Pack Solvent Free Polyurethane

•Scotchkote 165PW - Potable Water– 2 Pack Solvent Free Polyurethane (Flexible System)

•Scotchkote 152LV – Manual Preparation– 2 Pack Solvent Free Epoxy – Airless Spray Grade Available

•Scotchkote UW- Under Water and Splash Zones– 2 Pack Solvent Free Epoxy





Typical Chemical Lining

• Clean Vessel• Dress Steel• Degrease• Blast• Remove Abrasive• Check Profile, Chloride

Content and Climate• Stripe Coat





Typical Chemical Lining

Apply First CoatCheck DFTApply Second CoatCheck DFT

Pinhole Test

Test Plates

Record Details





Cooling Water Sieve

Scotchkote 162

Stripe Coat

Coat Main Face





Cooling Water Sieve

Scotchkote 162PW

Stripe Coat

Coat Main Face





Crude Oil Tanks

Scotchkote 162





Base Plate Repairs

•• Matline 600Matline 600

•• Matline 900Matline 900

Choose appropriate Choose appropriate Scotchkote systemScotchkote system





Matline 600 CRCEZ Elektrarna - Czech





Buried Irrigation Pipes

1.0-1.8m Diameter

Matline 152LV





Aeration Tanks

Scotchkote 162





WWTP Tanks

Scotchkote SP Primer

Scotchkote 162PW





Drinking Water Tanks

Scotchkote 162PW





GAC Vessels - UK

Scotchkote 162PW





Filtration Vessels

• Chemi-Tech PW• Chemi-Tech PW

Scotchkote KSIR88





Fresh Water Tanks

Scotchkote

165 Clear Primer

165PW





Food Industry

Brewery Vessels

Scotchkote 162PW





Sewage Screw

Scotchkote 162





Chemical Containment





Containment Area

Scotchkote SP PrimerScotchkote 162

Flexi-Tech 60 EG used to seal between concrete base and tanks





Filling Islands

Floor-Tech RS

Scotchkote 162

Grip-Tech





Chemical Resistant Flooring

Scotchkote SP primer

Scotchkote 175

Scotchkote SP primer

Scotchkote 175





Underwater Application

Scotchkote UW

• Displace surface

water

• Underwater Cure

• Specialist

Application





East Kazantip Gas - Crimea





Summary

• Thortex chemical protection coatings protect

equipment and surfaces in industrial environments

against aggressive chemical attack.

• They are ideal systems for protection against the

ever increasing range of chemicals used in all forms

of industrial processes.

Documents

Chemical Solutions - 3 M Product