Chemco Case Studies

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Relining of Chemical Storage Tank

By on October 28th, 2019 in Uncategorized

Industry                      Chemical Date May 2019 Substrate Mild Steel, with external Cladding Products Epo-Chem™ RS 500P, a surface and moisture tolerant epoxy MIO primer Epo-Chem™ RA 500M moisture tolerant glass flake filled epoxy topcoat, designed for immersed applications Environment Sulphonic Acid Storage at 50° C Challenge Existing epoxy lining in poor condition, with large sections experiencing read more ►



RB 300 Series to Refurbish and Coat J Strainer

By on September 27th, 2019 in Uncategorized

Industry: Power Generation Date: July 2019 Substrate: Austenitic iron body Products: Chem-tect™ RB 364 Series – Glass Flake filled vinyl ester resinEpo-chem™ RL 500PF to externals Environment: Sea Water Challenge: Strainer has been in service for 30 + years. Inspection of the strainer body, back wash covers & critical dimensions found the substrate to be read more ►



Sulphuric Acid Plant Concrete Slab Repairs

By on August 16th, 2019 in Uncategorized

Industry                      Petrochemical   Date May 2006   Substrate Concrete   Products Chem-tect™ RB 300P Vinyl Ester Primer  Chem-tect™ RB 332 Vinyl Ester Resin Environment Deterioration had been observed beneath the existing fiberglass matting. The failure of the previous fiberglass lining had enabled permeation, allowing serious corrosion of the concrete slab   Challenge A core drilling process read more ►



RB 300 series used on Self Cleaning Strainer

By on February 15th, 2019 in Uncategorized

Industry                      Power Generation Date November 2018   Substrate Carbon steel   Products Chem-tect™RB 332, glass flake filled vinyl ester and proprietary reinforced composites Environment Sea Water   Challenge A short time frame due to critical power shortage stopping other major processes forced weekend work to commence. Rebuild and reinforce flanges and provide defect free corrosion read more ►



Hot Car Bogie

By on January 16th, 2019 in Uncategorized

Industry                      Steel Manufacturing   Date June 2018   Substrate Carbon steel substrate   Products Epo-Chem™ RW 500  & RP 500 Environment Bogies for a 1,000°C Coking Coal transport wagon, quenched using 80°C water   Challenge Abrasive blasting is not always possible on site due to work alongside other trades and tight time frames, mechanical surface preparation read more ►



Blast Furnace Dust Discharge Valve Refurbishment

By on October 9th, 2018 in Uncategorized

Industry                      Manufacturing   Date June 2018   Substrate Steel   Products Chem-tect™ RB 364   Environment Blast furnace gas, combined with particulate at elevated temperatures 70degC   Challenge Rebuild the internal profiles corroded and eroded away up to 10-15mm   Chemco’s Solution RB 364 was specified for its suitability to provide corrosion and erosion protection read more ►



Column Pump Composite Repairs

By on August 27th, 2018 in Uncategorized

Industry                    Power Generation   Date April 2018   Substrate Cast Iron Pump   Products Internals, Chem-tect™ RB 364 a glass flake filled vinyl ester. Ceram-chem™ RP 500 a ceramic filled epoxy. Externals, Epo-chem™ RS 500P a surface and moisture tolerant primer. Epo-chem™ RA 500M a glass read more ►



Extension Leveller Cassette Corrosion Prevention

By on July 29th, 2018 in Uncategorized

Industry                    Manufacturing   Date January 2018   Substrate Steel   Products Epo-Chem™ RL 500PF and RC 500GTC   Environment Recycled cooling water   Challenge Asset owners engaged us to inspect and nominate a complete coating solution where standard paint systems failed to prevent surface deterioration resulting read more ►



Emergency Condenser Water Box Repairs

By on June 16th, 2018 in Uncategorized

Industry                    Power Generation   Date January 2018   Substrate Steel recently coated using ceramic filled epoxy   Products Epo-Chem™ RS500P and RA500M glass flake filled epoxy   Environment Pressure vessel containing clean brackish water at ambient temp   Challenge Carry out composite repair(rated to 1200psi) to hole read more ►



Long Term Corrosion Protection to Screw Agitator

By on May 17th, 2018 in Food & Beverage Industry, Marine, Miscellaneous

Industry                            Food and Beverage   Date February 2018   Substrate Carbon steel Auger with a red oxide coating, in service for 2 years   Products Epo-Chem RS500P & RA500M a moisture and surface tolerant MIO primer with a glass flake filled epoxy top coat.   Environment Constant salt water contact in seaweed filtering process   read more ►



Corrosion Protection of Basket Strainer

By on April 8th, 2018 in Steel Manufacturing

Industry                            Steel Manufacturing   Date February 2018   Substrate Steel   Products Epo-Chem™ RS500P a wet and surface tolerant epoxy primer containing 100% solids and RA500M a wet tolerant, glass flake filled epoxy containing 100% solids. Both products are capable of being applied in high humidity including under water.   Environment Salt water strainer   read more ►



FDA Approved Coating of Bread Mixer

By on March 7th, 2018 in Food & Beverage Industry

Industry                            Food and Beverage   Date June 2017   Substrate Commercial Steel Bread Mixer and Bowl   Products Epo-Chem RS 500P and Epo-Chem RA 500M   Environment 2 tonne bread mixer and bowl requiring Food Safety Certification   Challenge   Difficult clean due to heavy grease and yeast build up, whilst ensuring critical equipment is protected. read more ►



Protection of Agitator Shaft in Chemical Plant

By on February 25th, 2018 in Chemical

Industry                        Petrochemical   Date July 2017   Substrate                       Duplex Stainless Steel   Products                        Chem-tect™ RB 300 Series – Vinyl ester Glassflake coating – providing excellent resistance against corrosion and abrasion, high temperatures and severe chemical environments.   Environment                Installation of new mixing tank containing read more ►



Cavitation Protection on Valve Paddle

By on January 2nd, 2018 in Power Generation
Paddle refurbishment complete

Industry                            Power Generation   Date 2017   Substrate Rubber Lined Mild Steel   Products Epo-Chem™ RS 500P a wet and surface tolerant mio epoxy primer Epo-Chem™ RP 500 series, a moisture tolerant ceramic filled epoxy top coat, providing excellent long term cavitation resistance. InD-cote™   Environment 15°C – 30°C sea water   Challenge The 10-year-old read more ►



Corrosion Protection for Condenser Tube Sheet

By on December 11th, 2017 in Power Generation
Tube sheet refurbishment complete

Industry                            Power Generation    Date 2016    Substrate 20 Year Old – Bronze tube sheet    Products Chem-tect™ RB 300 series, a glass flake filled vinyl ester, provides excellent permeation resistance and high dielectric strength.    Environment 40-60°C, sea water   Challenge To provide a long term solution for the corroded tube ports and tube read more ►



Life Extension of 40 year old Structural Steel

By on November 20th, 2017 in Power Generation

Industry                            Power Generation   Date 2016   Substrate Critical overhead pipe support structure outside turbine hall   Products Epo-Chem RS 500P a wet and surface tolerant mio epoxy primer and Epo-Chem RA 500 series, a moisture tolerant glass flake filled epoxy top coat, providing excellent long term corrosion resistance.   Environment 15°C – 60°C sea water read more ►



Corrosion Protection of Super Duplex against Sulphuric Acid

By on October 9th, 2017 in Uncategorized

Industry                      Mining and Mineral Processing   Date July 2017   Substrate Super Duplex Steel   Products Chem-tect™ RB 364CS vinyl-ester glassflake Chem-tect™ RB 300TC vinyl-ester topcoat Chem-tect RC 364   Environment              Nickel Laterite mine operating at 100°C. Vessel is required to contain and hold Sulphuric Acid Slurry as part of the leaching process.   Challenge read more ►



Preventing Stress Corrosion Pitting

By on September 18th, 2017 in Mining and Mineral Processing, Uncategorized

Industry                      Mineral Processing   Date 2007   Substrate 304 Stainless Steel – Ammonia absorber and circulation tank.   Products Chem-tect™ RF364 – vinyl ester / acrylic co-polymer enhanced with flaked glass; very suitable for immersed environments where superior resistance to chemical attack is required.   Environment              Normal operating temperature is 60-70°C. Excursions up to read more ►



Improve Pump Efficiency with Chemco

By on August 18th, 2017 in Uncategorized, Water Utilities
Completion of internal lining

Industry                      Water Utilities   Date April 2017   Substrate Cast iron body   Products Chem-tect™ RB 364 Epo-chem™ RP 500   Environment River Water   Challenge The pump had dropped off in efficiency due to the combination of corrosion erosion and mechanical fatigue. This was due to a poorly specified and applied coating which was read more ►



Apply Coating on Wet Surfaces using RL 500PF

By on May 21st, 2017 in Petrochemical
Maintenance painting completed whilst in service

Industry                      Petrochemical   Date July 2016   Substrate Steel Substrate   Product Epo-chem™ RL 500PF   Environment Wet and Cold Column Externals   Challenge The lagging was removed to extend the life of the shell externals. While the vessel was in service, surface preparation and corrosion application were undertaken. Surface temperatures were ranging between -5°C read more ►



Chem-tect™ RA 300 for Stainless Steel Agitator shaft

By on April 21st, 2017 in Chemical, Petrochemical
Final coat applied ready for post cure and packaging for return transport

Industry Chemical   Date  November 2012   Substrate  Stainless Steel Agitator shaft   Products  Chem-tect™ RA 300 This is a glass-flake vinyl ester coating providing excellent resistance. Ideally suitable for Caustic alkalis, hypochlorite bleaches & organic solvents’. Res. Max.80°C.   Environment  Ambient temperature high range pH mixing tank.   Challenge  The project had to finished in read more ►



Wine Tank Refurbishment

By on March 21st, 2017 in Food & Beverage Industry
Completed internal lining

Industry                      Food & Beverage   Date                            January 2017   Substrate                   Aged Concrete Tank   Products                    Damp-crete™ RH 800 (Concrete Primer) Chem-concrete™ RI 800 (Flexible filler) Epo-chem™ RB 500 (Wine & Beer Approved)   Environment              Wine   Challenge                   System applied within the past 18 months was not FDA approved and tainted 1,000’s of litres of wine. read more ►



Chem-tect™ 300 Series for Concrete Bund

By on February 21st, 2017 in Chemical
Completed work, ready for new tank installation

Industry                            Chemical   Date December 2016   Substrate Concrete Bund in a chemical plant.   Products Chem-tect™ RA 364   Environment                    Highly corrosive range of chemicals including Sodium Hydroxide and Hydrochloric Acid.   Challenge Upon inspection, the concrete bund was identified to be in a poor condition. This is due to the existing surface deteriorating after years read more ►



RE 500P & RW 500 Applied on Hot Car Structure

By on December 10th, 2016 in Steel Manufacturing
Hot car structure during fabrication

Industry                    Steel Manufacturing   Date September 2016   Substrate Mild steel substrate   Products Epo-chem™ RE 500P & RW 500   Environment 1,000°C Coking Coal transport wagon where 80°C recirculated water is used to quench the load.   Challenge After successful spot repairs on existing hot read more ►



RL 500PF for Castor Segments

By on November 10th, 2016 in Steel Manufacturing
RL 500PF application completed

Industry                       Steel Manufacturing   Date September 2012 – 2016   Substrate Aged Carbon Steel   Product  Epo-chem™ RL 500PF – a surface/moisture tolerant zinc rich epoxy coating resistant to 150°C which can also be applied on hot surfaces.   Environment  Quenching station – Steam with radiating heat at 130°C   Challenge These segments are subjected read more ►



Epo-chem™ RL 500PF on Galvanised Steel

By on October 10th, 2016 in Marine
Galvanised steel ready for protective coating

Industry                            Marine   Date October 2016   Substrate Galvanised Structural Steel   Products Epo-chem™ RL 500PF   Environment                    Aggressive marine conditions   Challenge This project presented two challenges to our team. The first challenge was coming up with a coating system that would adhere well to galvanised steel. The second challenge was making sure that read more ►



Corrosion Protection For Hot Salt Water

By on September 12th, 2016 in Power Generation, Pumps & Piping
Holiday testing RB 300 internal coating

Industry: Power Generation Date: 2016 Substrate: New fabrication using mild steel Products: Chem-tect™ RB 300 series Epo-chem™ RL 500PF RC 500GTC finish coat Environment: Hot salt water Challenge: The project was a series of pipe spools with diverse configurations and diameters. These items required long term corrosion protection against high temperature salt water. This would read more ►



Structural Steel

By on January 13th, 2016 in Power Generation

Industry:                             Power Generation   Date: 2015   Substrate: Critical support structure for 40 year old overhead pipe services into turbine hall   Products: Epo-chem RS 500P™ a wet and surface tolerant mio epoxy primer and Epo-chem™ RA 500 series, a moisture read more ►



Condenser Tube Sheet

By on December 2nd, 2015 in Power Generation

Industry:                             Power Generation – Sugar Mill   Date: 2015   Substrate: 8 Year Old – Mild Steel water boxes & Stainless Steel tube sheets   Products: Chem-tect™ RB 300 series, a glass flake filled vinyl ester, provides excellent permeation resistance and read more ►