Please contact our technical team on 0113 2455450 (option 2) to order this product.
Carboline Polyclad 777 Slow-Set is a two-component, solvent-free aromatic polyurethane, ASTM D16 Type V. A high performance 100% solids structural polyurethane coating designed to provide superior corrosion protection for steel, ductile iron, and concrete pipe.
Fast curing increases throughput
Excellent abrasion resistance
Touch dry in up to 7 minutes at 24°C
Superior wetting properties for outstanding adhesion
Mix ratio 1:1 and user-friendly application properties
Can be topcoated by Carbothane series of products
Unlimited build with single multi-pass coats
Compliant with AWWA C222
Compliant with EN 10290
Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.
Carboline Polyclad 777 Slow-Set is a two-component, solvent-free aromatic polyurethane, ASTM D16 Type V. A high performance 100% solids structural polyurethane coating designed to provide superior corrosion protection for steel, ductile iron, and concrete pipe. Tenacious adhesion and high impact resistance allow its use in the harshest environments.
It forms a dense, long-term impermeable barrier that is ready for service moments after application through a snap-set cure mechanism. Typical uses include steel pipeline exteriors, steel valves and fittings, steel pilings, steel poles (above and below ground), buried tank exteriors, penstocks. No primer is required.
635 - 3175 microns for other applications on steel, depending on service conditions
VOC Values:
As Supplied: 5 g/L
Approvals:
Meets requirements of AWWA C222-08
Meets requirements of BS EN ISO 10290-2002
Limitations:
Due to its aromatic composition Polyclad 777 will tend to yellow or darken in exterior UV exposure. This will not affect performance
Flash Point:
Part A 177°C
Part B 166°C
Shelf Life:
Part A: Min. 12 months at 24°C
Part B: Min. 12 months at 24°C
Storage and Humidity:
4-43°C 0-100% Relative Humidity
Performance Data
Test Method
Results
Abrasion Resistance ASTM D4060
58 mg loss
Adhesion to Steel ASTM D4541
Min. 1500 psi*
Cathodic Disbondment ASTM G-95
<= 9 mm
Chemical Resistance ATSM D543
Pass 30-day immersion
Dielectric Strength D149
> 700 V/mil
Flexibility ASTM D522
Pass 3 inch 180 degrees
Hardness: ASTM D2240 Shore D
> 70 Shore D
Impact Resistance ASTM D2794
128 in-lbs
Impact Resistance ASTM G14
101 in-lbs
Tensile Strength ASTM D412
4000 + psi
Water Absorption ASTM D570
< 1.6%
*Adhesion over 3,000 psi is common with high peak count, surface cleanliness and good adhesive. Preferred adhesives for running adhesion testing are 3M CA-100 and 3M DP-460
Drying Times
Curing Schedule
Surface Temp
Dry to Handle
Dry to Touch
24°C
22 Minutes
7 Minutes
Lower metal temperatures will slow the dry time and higher metal temperatures will speed up dry time
Product is ready for holiday testing as soon as it reaches its dry-to-handle state
Maximum recoat time with Carbothane series is 28 days
To topcoat past the maximum recoat time, the surface must be abraded and cleaned
Maximum recoat with itself is two hours
Surface Preparation
Preparation
General:
Steel or ductile iron
Remove dirt/dust/grease/oil following SSPC-SP1
Abrasive blast to SSPC-SP10
Achieve a 75-125 micron "angular" anchor profile
Ensure dust/smut from blasting operation does not interfere with adhesion, prefer two maximum on ISO 8502-3 test
Apply product prior to any flash rusting or contamination fallout
Application Methods
Product Information
Mixing:
Power mix part B until the pigments are dispersed into a homogeneous liquid
Do not batch mix parts A and B
Do not add thinner
Airless Spray:
Use only heated plural component airless equipment
Plural airless pump must have a 1:1 ratio capability along with 1.25 gallons per minute with a fluid pressure up to 3000 psi
Use a paint system setup that can transfer coatings from heated drums to the proportioners and maintain heated material to the spray tips
Industry standards are for substrate temperatures to be 3°C above the dew point
Caution: this product in the liquid stage is moisture sensitive and needs to be protected from high humidity, dew, and direct moisture contact until cured to a firm state. Application and/or curing in humidity above maximum, or exposure to moisture from rain or dew may result in a loss of gloss, micro bubbling and/or blistering of the product
Note: for applications on concrete, please contact your Rawlins on Tech - 0113 2455450 (option 2) or [email protected] for proper application procedures
Customer agrees that before placing an Order, Customer has read and understood the most up to date Product Data Sheet for the Product. Where we have access to the Product Data Sheet from the manufacturer, we will either provide a copy on request, or include a link to the Product Data Sheet available on the manufacturer’s website. Customer further agrees that we have no liability for any errors or omissions contained within the Product Data Sheets. For more information, please see our Terms & Conditions of Sale.
Carboline Polyclad 777 Slow-Set is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
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