Arudra Coatings - Duromar Range of Coatings & Linings(100% Solid, Zero VOC Epoxy Coatings)

A r u d r a E n g i n e e r s P v t L t d

Arudra - Duromar Collaboration

Background - Arudra Engineers Pvt Ltd, Chennai

Arudra

Arudra Engineers Pvt Ltd are in technical collaboration with Duromar Inc (USA) in facilitating manufacturing and application services of Duromar range of products.

Arudra’s applicators are well trained by Duromar to ensure to meet world class application standards.

Arudra operate with state-of-the-art technologies for application of epoxy products - Blasting equipment, Airless plural machine & Oil Free Air compressors/ dehumidifiers to name a few.

Duromar

Heavily involved in solving erosion, corrosion and process control problems since 1968.

Pioneers in the field of manufacturing polymeric epoxies, offering a wide variety of zero VOC, 100% solid materials for use in a broad spectrum of industrial applications.

Worked closely with FGD system designers, engineers to develop state-of-the-art lining and repair materials for protection of FGD systems - Have carried out innumerable number of FGD coating jobs since 1970.

Arudra Engineers Pvt Ltd (ISO 9001-2015 certified) is an associate company of the well known Chennai based IGP Group.

Arudra offers many State-Of-The-Art Performance Improvement services across Power Plants, Petrochemical, Refineries and other related industries.

Arudra have collaborated with Duromar Inc (USA), a world renowned manufacturer of 100% solid (Solvent free), Zero VOC Polymeric Epoxies.

Arudra are the sole licenced Indian manufacturer of DUROMAR (USA) range of anti-corrosive,anti-erosive and anti-abrasive two part polymeric epoxy putty and coating grade products.

High Adhesion Levels Application Techniques

Safety Levels

Moisture Tolerance

Surface Tolerance

Thickness Levels

Battling Corrosion & Erosionacross key Industries

Benefits of Zero VOC Epoxies

100% solid epoxies greatly help in protecting integral assets across various industries, the most common of them being Power, Oil & Gas, Cement, Chemicals & Fertilizers and Water Treatment.

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Zero VOC epoxy products have the highest Adhesion Levels for the widest range of substrates.

Wide range of application techniques can be used — These range from conventionaltechniques of using a brush & roller to a plural airless spray machine.

Zero VOC epoxies areNon-Flammable &Non-Hazardous in Nature.

Duromar epoxies are completelymoisture resistant and have a proventrack record in staying resistant forunderwater structures too.

Zero VOC polymeric epoxiesare the most surface tolerantproducts.

Epoxy products are capable of beingapplied for varying thickness levels thatcan be easily altered based onspecifications.

Key Benefits of Zero VOC Epoxies

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Leak Arrest Systems - Pipelines

Pipeline Elbows

Transformer Oil Leak Arrest

Civil Repair Works - Concrete Repair Systems

Industrial Floor repair using Duromar - Durofil

High pressure water line leak arrested using Durostik + Duromar SAR - UW + Duromar EXP - Thixet

Common Areas of application

Pumps & Impellers

REPAIR & MAINTENANCEPRODUCTS

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Application of a 100% solid protective epoxy coatingon pumps, helps provide great abrasion and corrosion resistance, there by not only increasing overallperformance efficiency but also helping increase the asset life of the pumps and impellers.

Transformer Oil Leak Arrest

Pipeline Elbows

Leak Arrest Systems - Pipelines Civil Repair Works - Concrete RepairSystems

Online oil leak arrest on Transformer using DuroStik + Duromar SAR - UW

Corossion protection of suction pipe jointsusing 100% solid polymeric epoxy coatings.

High pressure water line leak arrestedusing Durostik + Duromar SAR - UW +Duromar EXP - Thixet

Industrial Floor repair usingDuromar - Durofil

Repair & Rebuild of Damaged Fly Ashelbows usings 100% solid epoxy putty’s.

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General Patch Repair - Rubber Lining & Concrete System

Repairing Storage Tanks with Epoxies as against Rubber

100% solid epoxies provide increased Resistance Levels and have higher surface tolerance thantraditional rubber lining systems. This also greatly helps in increasing the repair efficiency incase of anywear and tear. The Duromar R&M epoxy products are a perfect solution to repair damaged rubberlining systems!

The Duromar R&M epoxy products are a perfect solution torepair damaged rubber lining systems. Storage tanks acrossindustries are usually rubber lined. Lining storage tanks withsolid epoxies help overcome several hurdles caused byrubber lining and as a result, help enhance asset value.Additionally, Duromar coatings are also a perfect alternativefor rubber lining patch repair. Adhesion of epoxies to metalsurface is superior to adhesion of rubber to metal due to thestrong surface tolerant nature of solid epoxies.

Duromar Range of 100% Solid (Zero VOC) Repair & Maintenance Epoxy Coatings

Product

SAR

SAR UW

HAR

Description

A versatile easy to use rebuilding putty with excellent abrasion and chemical resistance. This product is heavily filled with aluminum oxide and can be built up to an inch in thickness or more.

An underwater curing versionof SAR used for rebuildingareas underwater or where the component needs to be put back into underwater service before full cure.

A more abrasion resistantputty than SAR, which is usedprimarily in areas requiringmore resistance to fine slurries either in liquid or powder form.

Common areas of use

Typical applications are for rebuilding of pump casing, slurry tanks, weld seams or anywhere requiring the restoration of metal components

Applicable to both fresh and saltwater service.

Common applications are in coal mills, chutes, ash hoppers or deflector plates in FGD systems.

Mix Ratio

2:1

2.6:1

2:1

pH Range

1.5-14

2.5-14

1.5-14

Max dryoperatingtemp [°F/°C]

425/218

250/122

500/260

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Product

EAC

EXP-Thixet

MG-F

Durostik

DuroFil (Civil Product)

Description

A brushable and versatilemaintenance material whichhas excellent resistanceto both acids and caustics aswell as having excellentabrasion resistance.

A more chemical and highertemperature resistant versionof either SAR or HAR usedprimarily in areas operating at higher temperatures andrequiring better chemicalresistance.

A stainless steel filled puttywhich is engineered for usewhere final precisionmachining is required.

An extremely fast curing puttymaterial, packaged in a singletube for easy mixing and use.Ideal for storing in toolboxes to make quick repairs.

A specially formulated 100%solids epoxy grout andrebuilding product for fillingholes and rebuilding severelychemically attacked concrete floors and secondary containment areas.

Common areas of use

Resurface any componentrequiring both abrasion and chemical resistance such as tanks, heat exchangers, valve or pump internals.

Applications include acid tank repair, boiler skirts or refinery evaporator vessels.

Applications include shaftrepairs, pump parts, bearing housings, or anywhere requiring final machining to close tolerances.

Make quick repairs or to stop leaks in steel, aluminum, fiberglass or concrete.

Applications include industrial flooring systems and repair of damaged industrial floors. Durofil provides an excellent base for a range of Duromar civil products where more acid resistance or smootherfinish is required.

Mix Ratio

5:2

2:1

3:1

N/A

3.6:1

pH Range

1.0-14

0.5-14

1.5-14

1.5-14

2.5-14

Max dryoperatingtemp [°F/°C]

400/205

500/260

300/150

300/150

250/122

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Common Areas of application

Steel / Concrete Silo lining systemsProtective Epoxy lining systems on Concrete/Steel storage silos help prevent deterioration of the silo structure form any chemical, abrasion or corrosion related attacks.

Concrete Cement Silo

Cooling tower - Concrete Walls, Structural & Flooring Systems

Cooling tower floors and walls are constantly exposed to high pressure water cycles which encounter frequent corrosion and erosion related issues. Application of water resistant 100% solid epoxy linings help prevent any such deteriorations.

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Storage Tanks - DM Water, Acid & Alkaline storage unitsApplication of a 100% solid protective epoxy lining on storage tanks, helps provide great abrasion and corrosion resistance, thereby helping enhance Asset life of the Tanks.

100% solid epoxies provide increased resistance levels and have higher surface tolerance than traditional rubber lining systems. This also greatly helps in increasing the repair efficiency incase of any wear and tear.

Storage Tanks

Cooling Tower Concrete Repair Systems

HIGH PERFORMANCE LININGPRODUCTS

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Sea - Cooling Water Pipelines / Hydro Penstock Lines

Discharge / Slurry Pipelines

Acid Resistant Flooring / Trench Systems

Salt and brackish water pumped at high pressure levels across carbon steel pipelines, cause excessive abrasion and/or corrosion and as a result severely impact operational efficiency of the overall circulating water cycle. Duromar epoxy lining systems have been used to protect several sea/circulating water pipelines, that have showcased excellent performance for over 20 years under continuous operation.

Carbon Steel Slurry Pipelines often experience excessive abrasion due to the volume of particles and pressure of fluids flowing through. 100% solid polymeric epoxies are proved to have the best abrasion resistance, thus protecting the pipelines from abrasion related damages.

Neutralisation pits and trenches experience excessive corrosion due to the varying concentration and properties of acids flowing through the system, thus causing frequent damages. Duromar 100% solid novolac based flooring and lining systems are best suited for protection of floors & trenches exposed to strong acids and chemicals.

Corroded Sea Water Intake Line

Sea Water Intake Line coated with Duromar HPL - 2510

Sea/Circulating Water Lines Sea Water Intake Line coated with Duromar HPL - 2510

Hydro Power Penstock Lines

100% solid Epoxy Lining of Slurry Pipelines

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Duromar Range of 100% Solid (Zero VOC) High Performance Lining & Flooring Systems

Product

HPL - 2510

HPL - 2221

HPL - 2131

HPL - 1110

Description

An outstanding, versatile and easy to use 100% solids material.

A medium viscosityproduct with outstandingabrasion resistance, impact resistance, and flexibility.

A trowelable materialwhich is designed torebuild and/or protect tanks subject to severe erosion and corrosion.

A flexible, low viscosity,easy to use coating system, It is shipped DOT non- corrosive

Common areas of use

It can be used for circulating water pipe, sewage treatment systems, or process water tanks. It can be applied by brush, roller or with conventional spray equipment.

It can be used for rail cars, ash hoppers, slurry tanks, secondary containment, traveling water screens, or anywhere requiring flexibility, abrasion and chemical resistance. It is designed to be applied by hand or with plural component spray equipment.

It is best applied using a mastic or grout pump.

It can be used on structural steel, tank exteriors or other areas where extra corrosion resistance isrequired.

Mix Ratio

2.4:1

4:1

2:1

2.7:1

pH Range

2.0-14

1.5-14

2.5-14

2.5-14

Max dryoperatingtemp [°F/°C]

275/132

375/190

375/190

275/135

Concrete Acid Nutralisation Trench Repair

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Product

HPL - 1110 PW

HPL - 4310

HPL - 4320-XC

DF 1310

Description

A low viscosity coatingused in potable watertanks. It is certified to theANSI/NSF 61 standard

A high functionality, 100%solids novolac material,which can be applied byconventional airless sprayequipment.

A more chemical resistantversion of the HPL-4320designed for constantimmersion in highconcentrations of sulfuricand other inorganic acids.Although it can be appliedby hand in small areas, it ismost efficiently appliedusing plural componentspray equipment.Requireselevated temperature cure.

A general purpose epoxyfloor coating with goodlow temperature curingcharacteristics, excellentflexibility and impactresistance, and good adhesion to damp concrete. Although notrecommended for strongacids or solvent protection,it does however have goodchemical resistance todilute and mild inorganicacids as well as water,sea-water and demineralized water

Common areas of use

It may be used on concrete or steel tanks.

It can be used in power plant outlet ducts, utility systems, petrochemical and acid storage tanks, or anywhere requiring outstanding chemicalresistance in a easy to apply coating system

It is used in areas requiring outstanding chemical and temperature resistance and is an easy to apply coating system.

DF – 1310 is a flooring system that is used across Machine Workshops, Turbine Rooms, Material Handling Factories and similar other Industrial units.

Mix Ratio

3.3:1

3.6:1

2.7:1

2.7:1

pH Range

3.0-12

0.5-14

0.5-14

0.5-14

Max dryoperatingtemp [°F/°C]

250/122

350/175

375/190

375/190

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Product

DF 4301

Chemcrete Super

Description

A 100% solids, novolacfloor coating with outstanding chemicalresistance to acids, basesand solvents. It can beapplied by brush, roller, orplural component spray equipment.

A specially formulated,100% solids, epoxy novolac flooring material, used for thick-film floors where additional chemicalresistance is required.Chemcrete Super can betopcoated with DF-4301 toprovide additional chemical resistance to awide range of chemicalenvironments.

Common areas of use

It is best used in secondarycontainment areas and floors subject to chemical splashes and spills.

CHEMCRETE SUPER is a specially formulated 100% solids epoxy novolac flooring material, used for the thick-film floors where additional chemical resistance is required. Floors coated with CHEMCRETE SUPER are tough, abrasion and chemically resistant to a wide range of environments.

Mix Ratio

3.1:1

4:1

pH Range

0.5-14.0

0.5-14.0

Max dryoperatingtemp [°F/°C]

300/150

350/176

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Flue Gas Desulphurization Systems

100% Polymeric Epoxy Corrosion Protection for Flue Gas Desulphurization Plants

Arura Engineers Private Limited, Chennai, a member of IGP group of companies (www.igp-group.com) proudly presents Specialized 100% solids Polymeric Epoxy Corrosion Protection for FGD Systems in collaboration with Duromar Inc. of USA (www.duromar.com).

Flue Gas Desulphurization Systems are primarily used to scrub flue gas exhaust from Fossil Fired Power Plants to remove the Oxides of Sulphur present in the flue gas and render flue gas free of Oxides of Sulphur that leaves the Chimney. The Oxides of Sulphur cause extreme pollution to the environment and is also a health hazard. Hence, the Oxides of Sulphur in the flue gas should be contained before it is released to the atmosphere. Provision of FGD system is a sure shot, proven solution for this.

The FGD system mainly consists of Absorber, Stacks, Gas to Gas Heaters, Duct Work, ChemicalMixing Tanks, Slurry Tanks and Clarifiers.

Of all the problems that could beset a Flue Gas Desulphurization (FGD) system, corrosion is the one that pose challenges to system designers, manufacturers and users alike. The environment within a FGD system is a complex solids, liquids, and gases interface characterized by critical temperature fluctuations and turbulent chemical reactions. This activity is bound to take its toll on inner surfaces of ductwork, dampers, piping, pumps and other vessels coming in its path.

Corroded dry FGD baghouse filter Dry FGD baghouse filter coated with Duromar HPL - 2221

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Please find below a generic guide for selecting suitable lining for different areas of the FGD system and working environment.

Arudra Engineers Private Limited, in tie up with Duromar Inc., of USA offer High Performance polymeric coatings and linings for the very difficult service conditions (severe erosion corrosion) being encountered in FGD systems. The Duromar range of products are so designed that they can overcome high abrasion, temperature, acid condensing situations, periodical wet, dry cycling effect and huge temperature fluctuations.

The Duromar range of products are 100% solid, solvent free, multi-functional novolac Epoxies. Being 100% solvent free, these systems while outperforming conventional solvent based coatings are alsonon-hazardous to the applicator and nontoxic to the environment. One another big advantage of the Duromar range of products is being solvent free, other miscellaneous maintenance and operational construction activities can take place without constraint while coating operations are being carried out.

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Guide for selecting suitable lining for flue gas desulphurization system

Description

Stack Liner

Output Ducts

Ductwork / Absorber

Stack Liner

HPL - 4310

HPL - 2131

HPL - 4310

WorkingEnvironment Envisaged

Low pH Wet environment Up to 65C Condensing acid exposures

Low pH “Wet” environment Up to 65C

Low pH “Wet” environment Up to 65C

Suitable Lining System

Flake Glass filled, epoxy phenol Novolac

High density, Ceramic & Glass flake filled, multi-functional epoxy

Flake Glass filled, Epoxy phenol Novolac

3 mm

3 mm

2 - 3 mm

SuggestedThickness

OurRecommendedProducts

Absorbers

HPL - 4330Unscrubbed gas Low pH 135 - 190 C

A 100% Solids NOVOLAC Epoxy with a modified Cycloaliphatic amine hardener

Requires detailed design & operating conditions

Inlet Ducts

HPL - 4330Unscrubbed (dry) gas Low pH 135 - 190 C

A 100% Solids NOVOLAC Epoxy with a modified Cycloaliphatic amine hardener

Requires detailed design & operating conditions

By-pass Ducts

HPL - 4330Outlet and By-pass duct exposures Wet-dry cycling Temperature excursions (not to exceed 237C for 10 minutes)

A 100% Solids NOVOLAC Epoxy with a modified Cycloaliphatic amine hardener

Requires detailed design & operating conditions

Mixing Zones

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Description

Slurry Tanks Limestone

Clarifers

Absorber Vessel, Slurry & Reagent Tanks

Mixing Tanks

Floorings

HPL - 2131

HPL - 2221

HPL - 4310

WorkingEnvironment Envisaged

Ambient temperatures Highly alkaline Slurry, abrasive conditions, impact areas, high velocity

Various chemicals, Ambient temperatures, Some abrasion conditions

Slightly Acidic, Slippery, Impact Area, Mechanical Abuse, Traffic

Suitable Lining System

High density, Ceramic & Glass flake filled, multi-functional epoxy

Ceramic Flake filled, multi-functional epoxy with rubber modified backbone

A Zero VOC, breathable Epoxy floor coating with anti-slip finish.

3 mm

2 mm

1 - 1.5 mm

SuggestedThickness

OurRecommendedProducts

* Requires Detailed Design & Operating Conditions For Actual Recommendation

Very Severe Area Extreme Severe Area

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Partial list of our clients

Utility / Unit System Supplier

CE (Alstom)

CE (Alstom)

Chemico (GE)

GE

Alstom

GE

Alstom EURO

GE (Alstom)

UOP

Application / Product

Absorber, throat sectionSAR

Absorber outlet duct to stackHPL - 400

Absorber, duct & Stack repairHPL - 2131 / 4310 / SAR

Absorber repairSAR

Lime Slurry Process TanksHPL - 2221 / SAR

Outer DuctsHPL - 4320

Baghouse CompartmentsHPL - 2221

Reaction TankHPL - 2131

Absorber & Reaction Tank repairHPL - 400

Northern States Power Co Sherburne 1 & 2

Kansas Power & Light Jeffrey Energy Center 1

PacifiCorp Dave Johnson 1

Arizona Public Service Four Corners 3

Mid American Energy Council Bluffs

Los Angeles Water & Power Intermountain Power

NPPD / OPPD Nebraska City Station

Houston Lighting & Power Limestone 2

Commonwealth Edison Powerton 1

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Arudra Coatings - Protecting & Enhancing Assets with best-in-class products & services

Key details required to identify suitablecoating solution

World RenownedTechnicalCollaboration -Duromar, USA

Competitive PriceOffering

Proven track recordof various Industrialservices

Highest QualityProducts & Services

Site name

Surface Area of Equipment to be coated/repaired

Equipment Drawings (if any)

Required Thickness of Coating(if any specifications)

Technical Specifications of the Equipment–Operating & Service Conditions, Temperature,Pressure, Fluid medium, solid percentage, etc.

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Common Areas of Coating application Across Key Industries

Power Plants Cement

Ash Hoppers

Cation Tanks

Acid/ Chemical Storage Tanks

Anti-Slip Floors

Bow & SternThrusters

Bulbous Noses

Acid Storage Tanks

Baghouse Hoppers & Walls

Acid Storage Tanks Desulfurization Systems

Ballast Tanks Black Liquor Tanks

Coal Bunkers Process Vessels Cargo Tanks Centrifuges

Coal Chutes

Coal Exhausters

DM Plant Floor

Ductwork

Pumps

Cement Concrete Silos

Gypsum PlantStructural

Hoppers

Discharge Pipes

Evaporators

Foam Tanks

Gas Fan Castings

Dust CollectorHoppers

Green Liquor Tanks

Hydro Pulpers

Penstock Lines

Circulating Pump Housing

Pumps & Impellers Gas Scrubbers Oil Storage Tanks

Cooling Tower Structural

Acid resistant Floors Hull Anodes Product Chutes

Marine Pulp & Paper

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Power Plants Cement

Stacks

Sea / Circulating Water Intake Lines

Trenches

Sumps

Seawater Strainers

Sewage Tanks

Pump Impellors

White Liquor Tanks

Marine Pulp & Paper

A r u d r a E n g i n e e r s P v t L t d

Arudra Engineers Pvt LtdNo 79, Valkimi Street, Thiruvanmiyur, Chennai - 600041

Phone: 044-24430705 / 24901623 / 24453425 | Fax: 044 - 24424755

Email: coatings@arudra.co | Website: www.arudracoatings.com

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