Articles on Residential, Commercial and Industrial Coatings

Articles on Residential, Commercial and Industrial Coatings

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Rhino sprayed on polyurethane protection for Hi-Rail Truck

Hi-Rail Isuzu Truck

Hi-Rail Trucks – Rail Maintenance Vehicles

Built for FMG Mining, this Isuzu truck is fitted with a Hi-Rail system which means it has Train Wheels and drive system on the front and rear and therefore can travel on the clients rail line.  The truck can drive on regular roads using its rubber wheels.  When it gets to a rail line, it straddles the rail line, and the HiRail units fold down lifting the truck off its rubber wheels.

The role of this vehicle is to carry equipment along the rail line and perform track maintenance.

Now the question is why did they go to all the trouble of coating the entire underbody, chassis, diffs, Hi-Rail unit,  diesel and air tanks? 

Well, the answer is simple – Most of the roads this truck travels on to, and from, the rail line are mainly gravel which is sprayed with water 24hrs a day for dust suppression.  It is a waste to use good clean drinking water so they often use second grade reclaimed water from dams or the ocean and it is very salty.

Salt Water + Dirt + chipped paint = RUST !

… and very quickly it will rust – this truck is worth about $500,000 so they would like it to last up to 10 years.

So from both a cost saving and ease of application perspective we use a combination of High Build Industrial Epoxy and Rhino Linings polyurethane coating system.

First, everything is sprayed with a 300µm DFT coating of our High Build black Epoxy (known as Beamastic). This product also provides an excellent primer or base for the Rhino product.

Then we simply spray Rhino Duraspray on anything we think will cop the flying debris.  This is typically the chassis rails near the rear wheels, the fuel and auxiliary tanks that stick out the side, both diffs, and in this case, the Hi-Rail units mainly because they are very expensive and the client wanted the added insurance of the double coating (Epoxy and Rhino)

Work completed by Beam Rustproofing located in Belmont WA.
For further information contact Beam on (08) 9325 1399

Fuel Tank Protection for Variety Bash Car No.49

Bob Shackell, Car 49 - the Variety Bash

Shackell Transport, The Variety Bash and Fuel Tank Protection for Car No. 49

The Variety Bash is Australia’s largest (and favourite!) motoring event with participants travelling to rural parts of Australia that they would otherwise not see, at the same time raising money for disadvantaged and special needs children. Throughout the Bash, participants visit local towns, stopping into the schools to visit the kids (some schools only having 5 students!). Bashers get to see the smiles of the kids they’ve helped and provide the schools with equipment to assist student’s development and education.

“Our car No.49 is a 1968 Ford Falcon sedan stock standard 221 C1 (3.6 litre) 6 cylinder engine with a 3 speed column shift manual gearbox” said Bob Shackell from Shackell Transport, “We have raised the suspension for clearance and run all terrain tyres”

The Variety Bash is an amazing motoring event for pre-1974 cars. The logistics to feed about 350 people, three times a day at three different venues and sometimes in remote areas, along with the route planning 5,000km mostly substandard dirt roads, through national parks, forestry and private properties, that would be suited to mainly four wheel drive, is incredible. Then there is the roadside repairs, broken suspension, shocky mounts ripped out, broken axles, radiators, fuel tank and tyres all welded, soldered, plugged, patched and repaired on the side of the road by the owners or the mobile workshops that travel with us.

Rhino Lined Fuel Tank Protection Handles the Harsh Aussie Environment!

Shackells Transport - Variety Bash vehicle - Car 49While most cars carry a range of spare parts or borrow from someone else to keep moving, there is a part you simply can’t carry, the fuel tank, which cops a lot of stone and rock damage. While most times the leak can be fixed, you can’t replace the lost fuel when you’re in the middle of nowhere. After a couple of years with fuel tank damage, we approached the team at Rhino Linings to provide a solution. Rhino took up the challenge with enthusiasm and treated our fuel tank with their (Rhino) TUFF STUFF protective lining. Our car has since completed 4 Variety Bashes and the bottom of the fuel tank is unmarked and looks like it has just been treated.

I can only imagine how beneficial Rhino TUFF STUFF protection would be for the 4WD market and equipment operating in severe conditions.

Bob Shackell
Shackell Transport Pty Ltd

Fuel tank protection - Rhino Linings

Bob Shackell’s Variety Bash 1968 Ford Falcon sedan fuel tank protected by Rhino Linings.

Thank’s Bob, we really appreciate your testimonial and wish you the best of luck with the upcoming Berowra to Bowen Variety Bash, August 21-30, 2016.

For those interested in learning more about the Variety Bash or wanting to make a donation to Variety the children’s charity visit their website at www.variety.org.au

 

Advantages of Polyurethane and Pure Polyurea Coatings in Corrosive Environments

Secondary Containment - Rhino Linings

In 2013, Peter Morgan from Rhino Linings Australasia Head Office gave a highly successful presentation on the advantages of polyurethane and pure polyurea to fellow and leading industry members of the Australian Corrosion Association.

POLYURETHANE ELASTOMERIC COATINGS FOR MAJOR INFRASTRUCTURE

Peter explained what polyurethane is, the advantages of using it, including how to select the right product for the required application, whether that be for drinking water tank linings, industrial tank liners, thickener tanks, channel linings, ponds, dams or secondary containment applications.

Wastewater treatment plant channels - Rhino Linings polyurethane

He also went through case studies of typical applications for both elastomeric polyurethane and pure polyurea coatings.

Peter’s presentation was well received resulting in the creation of valuable networking opportunities and stronger brand awareness for future business relationships.

We thought we would share his presentation with you in an effort to provide a greater understanding of Rhino Linings approved applicator capabilities and our premium protective coating systems.

For more information on Rhino Linings products and capabilities, or if you are looking for your nearest Rhino approved applicator, contact head office by emailing info@rhinolinings.com.au or phone +61 7 5585 7000 to speak with your Rhino Linings State Sales Manager.

We look forward to answering any questions you may have.

Spray Applied Protective Coatings for WWTP Inlet Tunnel

Polyurea and Polyurethane protective coatings for raw sewage inlet

The use of Spray Applied Protective Coatings for WWTP Facilities is Increasing.

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The Importance of Water and Wastewater Coatings Performance Testing

Water and wastewater coatings

Water and Wastewater  Coatings & Polyurethane / Pure Polyurea Performance Testing

Whatever the linings system used in water and wastewater coatings applications, all have to withstand aggressive chemical substances, abrasion, corrosion, and in addition, provide a good level of impermeability.  That being said, the success and longevity of any coating system utilised in this area ultimately depends on the stress levels it can tolerate.

To determine the performance of a polyurethane / pure polyurea coating system within the water and wastewater industry, there are a number of tests that can be carried out by testing and analytical services.  For example the Australian Water Quality Centre test products that come in contact with drinking water, this standard is known as AS/NZS 4020.  (Note: Ensure you use the very latest version when considering Potable Water Approval.)

potable water certified coatings

However, it is important to remember that conditions in a laboratory are not the same as those in the field especially where protection from chemical substances are required.   Normally when testing for chemical resistance a sample of the coating is immersed into the chemical being tested.  There are times when this is not possible, that is why it is recommended that prior to the full application of any coating material that a test be carried out under real conditions, this will help determine the performance of the coating system especially when it comes to abrasion and chemical resistance. This is where Standard AS3894 Site Testing of Protective Coatings is implemented.

When it comes to protective coatings such as epoxies, polyurethanes and pure polyureas,  water and wastewater coatings performance tests can include, but are not limited to:

 

  • Abrasion Resistance – ASTM D4060
    • Taber Abrasion Test is where a sample of the product is rotated under a specific weight (1kg) against a grinding wheel (CS17 or CS18) for a defined number of revolutions (1000 cycles).  The sample is evaluated by measuring the weight of the sample before and after the test, the more abrasion resistant the coating is the lower the reported weight loss.
  • Adhesion – AS3894 Site Testing of Protective Coatings
    • The Adhesion of a protective coating system to the substrate is deemed a good indicator of the coatings ability to resist corrosion signifying longevity of the coating.  The better the adhesion the longer the coating lasts, it should also be noted that durability of the lining can also be governed by the thickness of coating.
  • Cathodic Disbondment – ASTM G95
    • Cathodic disbondment is one measure of the undercutting resistance of a coating/lining system.  Linings with better cathodic disbondment resistance have better corrosion resistance and greater longevity.
  • Chemical Resistance
    • Chemical resistance tests are carried out specific to the application required.  A swatch of the coating is submersed into a sample of chemical, if this cannot be done tests are devised which simulate as close as possible the actual conditions.
  • Flexibility – ASTM D522
    • Flexibility is a good indicator of a coating/lining’s ability to withstand the cracking, disbanding, or other mechanical damage of the coating/lining that can occur.
  • Impact Resistance – ASTM G14
    • Impact resistance test method represents the coatings ability to withstand damage to a direct impact with another object, this methods help predict the lining performance and resistance to damage
  • Water Absorption – ASTM D570
    • Polyurethanes are susceptible to water absorption during its life of water and temperature exposure, this can lead to degradation, and failure of the lining, however there are certain levels that are within the acceptable range.

Some of the above U.S. based tests are included in the AS/NZ 4858 “Wet Area Membranes” which gives further indication of a coatings performance.

 

Factors that Affect a Coatings Performance

The performance of any coating/lining system depends on many variables, such as surface preparation, film thickness, temperature, cathodic protection, flexibility, impact resistance and so on, other factor that need to be taken into account that can affect the performance of a coating include:

  • The design
  • Surface preparation
  • Surface profile
  • Coating type
  • Coating thickness
  • Weather conditions

When selecting a coating system, it is imperative that you consider these performance measures in order to make the best choice.   When it comes to corrosion resistance in water and wastewater coatings applications it is important to be preemptive, so understand what your objectives are, and know what long-term outcomes you require otherwise your company could end up spending a lot more than liked.

Rhino Linings Industrial Coatings

Committed to providing you with the right solution

At Rhino Linings Australasia, we provide you with a complete range of the latest technologies in pure polyurea and polyurethane coatings for industrial coatings.  Rhino Linings is fast becoming the polyurethane supplier of choice for a number of major builders, mining companies and project managers in the Australasian region.

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