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Protective Coatings
Product Information
ChemLine® 784/32
Description
ChemLine® LE coating is specially formulated polymer resin for handling the high temperature and abrasion requirements of the power industry. ChemLine® LE is a two-component force cure system that offers unique characteristics. ChemLine® LE is a cross-linked organic-inorganic multifunctional polymer coating that is cured though homopolymerization. This dense crosslinked polymer exhibits high flexibility and toughness, having no detrimental hydroxyl or ester groups. Due to ChemLine® LE’s temperature resistance (500°F/260°C), it provides superior resistance to:
- Acids, alkalis, solvents, oxidizing agents
- Thermal shock -40°F (-40°C) to +500°F (+260°C)
- Flex stressing
- Wear and abrasion
- Impact
Industry Applications
- Stacks
- Chimneys
- Ducts
- Flu gas desulfurization scrubbers
- Chemical scrubbers
- Pre-scrubbers
- Spray towers
- Fans
Application Highlights
- Resists fly ash abrasion
- Low coefficient of thermal expansion
- Very high bond strengths 5200 PSI on grit blasted steel
- Smooth, low surface energy reduces fly ash buildup in ducts and stacks
- Applied to pitted corroded steel
- Very low VOC - 108 grams/L (0.9 lbs.per gallon)
- Outstanding flexibility
- Non-permeable
- Steam cleanable
- Resists hydroblasting
- Repairable
- Sunlight resistant
- Coefficient of thermal expansion equal to stainless steel
- Resists high voltage
- Dry heat resistance up to 500°F (260°C)
Typical FGD Schematic (non-denominational) Showing Various Lining Zones for ChemLine® LE
Explaination of Above Codes Used to Define Living Environment
Typical Properties
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Color (Normal) |
Oyster White (Can be pigmented) |
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V.O.C. Level | 108 grams/L (0.9 lbs./gal.) |
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Lead Content | Zero. |
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Chromate Content | Zero |
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Pot Life | 120 minutes @ 75°F (24°C) |
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Viscosity Reduction | Reduce with Toluene or Xylene |
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Flash Point | 127°F (53°C) |
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Solids by Volume | 90% |
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Solids by Weight | 95.5% |
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Theoretical Coverage | 100 sq. ft. per gallon at 12 mils DFT |
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Recommended DFT | 12-14 mils dry average |
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Shelf Life (Unopened can) | 12 months |
Application Data
Note: Detailed application instructions are provided separately for ChemLine® LE coating systems.
Surface Preparation
Abrasive blast to SSPC-SP10 (NACE #2, Sa 2.5) near white metal finish. 3-4 mil (75-100 micron) blast profile.
Mixing Instructions
Material is supplied in two containers as a unit. Always mix a complete unit in the proportions supplied.
(1) Thoroughly mix the contents of Part A with a power agitator until uniform consistency and color is obtained. Be sure that any solids that may have settled through storage have been put back into suspension.
(2) Slowly combine the contents of the activator with the previously mixed Part A.
(3) Thoroughly mix the two parts until a uniform consistency and color is obtained.
Clean Up Solvent
Acetone, Toluene, Xylene
Limitations
Apply when the air and surface temperatures are above 50°F (10°C). Surface temperatures must be at least 5°F (-15°C) above the dew point. For optimum application properties, bring material to 70-90°F (21-32°C) prior to mixing and application. Increased temperatures will result in shorter pot life.
Application
Airless spray equipment with 45:1 pump ratio @ 80-100 lbs. to achieve 2500-3000 p.s.i. tip pressure. Reverse-A-Clean tip .019 to .023, with 3/8” fluid hose, 3/16” by 6’ whip hose, with a maximum of 100 linear feet. This coating is a low VOC compliant material. If shop conditions require a viscosity adjustment, thin with Toluene or Xylene.
Cure Time And Temperature
Curing: Blow air over lining for 2 hours to remove solvent prior to curing. Raise temperature of metal substrate 50°F (10°C) per hour. Maintain at 350°F (177°C) for 4 hours. (See full Specification for Application of ChemLine® LE)
Handling Precautions
Solvents and chemicals are contained in this product. Consult the Material Safety Data Sheet for details. Adequate safety and health precautions should be taken during handling, application and drying of this product. The material should be applied under local, state, federal regulations and in accordance with OSHA and ANSI bulletins on safety requirements.
Packaging
Available as:
5 gallon (19 liters) kit with catalyst
1 gallon (4 liters) kit with catalyst
ChemLine® Industrial Coatings
PRODUCT |
TEMP |
CURE |
APPLICATION METHOD |
SYSTEM |
TYPICAL |
FEATURES & |
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ChemLine® 784/32 |
-40°F to +400°F (-40°C to 204°C) |
180°F to 300°F (82°C - 149°C) |
SP,BR,RL |
12-14 mils (steel) |
Reactors, chemical |
Excellent chemical resistance. Low temperature cure. |
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-40°F to +400°F |
Ambient |
SP,BR,RL |
12-14 mils (steel) |
Secondary containment, clean rooms, structural steel, manhole covers/ vaults, floors |
Ambient cure. |
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ChemLine® 784/31 |
-40°F to +500 F |
250 F to 350 F |
SP,BR,RL |
12-14 mils (steel) |
Tanks, pipes, & scrubbers |
High temperature resistance. Best chemical resistance at high temperature. |
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ChemLine® 2400 Series |
-40°F to +400°F (-40°C to 204°C) |
180°F to 300°F |
SP,BR,RL |
16-18 mils (steel) |
Slurry tanks, scrubbers, dump trucks, bag houses, FGD units, tank containers, & hopper cars |
Outstanding abrasion resistance. Excellent chemical resistance. Low temperature cure. |
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-40°F to +300°F |
Ambient |
SP,BR,RL |
24-26 mils (concrete) |
Slurry tanks, pipes, secondary containment, sumps, trenches, pits, & clairifiers |
Ambient cure. Outstanding abrasion resistance. Excellent chemical resistance. |
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ChemLine® LE |
-40°F to +500°F |
250°F to 350°F |
SP,BR,RL |
12-14 mils (steel) |
Stacks, ducts, heat exchangers, pressure vessels, FGD systems, bag houses, & scrubbers |
High temperature resistance. Best chemical resistance at high temperature. Excellent CTE match with steel. |
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ChemLine® TDC |
-40°F to +500°F |
200°F to 400°F |
SP |
30-60 mils (steel) |
HOT steel structures, steam pipes |
Temperature dissipating coating for hot steel surfaces where heat can cause injury. |
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ChemLine® Primer |
-40°F to 110°F |
Ambient |
SP,BR,RL |
3-4 mils |
Secondary containment tanks |
Superior bonding & sealing properties. |
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ChemLine® Caulk |
-40°F to +212°F |
Ambient |
Trowel |
See data sheet |
Covings, cracks, & joints |
Excellent chemical resistance & flexibility. (Pre-measured quart kits). |
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ChemLine® Putty |
-40°F to +250°F |
Ambient to |
Trowel |
See data sheet |
Pitted steel & chime areas |
Excellent chemical resistance & flexibility. (Pre-measured quart kits). |
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The furnishing of the information contained herein does not constitute a representation by Advanced Polymer Coatings, Ltd. (APC) that any product or process is free from patent infringement claims of any third party, nor does it constitute the grant of a license under any patent of APC or any third party. APC assumes no liability for any infringement which may arise out of the use of the product. APC warrants that its products meet the specifications which it set for them. APC DISCLAIMS ALL OTHER WARRANTIES and relating to the products and DISCLAIMS ALL WARRANTIES RELATING TO THEIR APPLICATION expressed or implied INCLUDING but not limited to warranties of MERCHANT ABILITY AND FITNESS for particular purpose.
Receipt of products from APC constitutes acceptance of the terms of the Warranty; contrary provisions of purchase orders not withstanding. In the event that APC finds that products delivered are off-specification, APC will at its sole discretion, either replace the products or refund the purchase price thereof. APC’s choice of one of these remedies shall be Buyer’s sole remedy. APC will under no circumstances be libeled upon for consequential damages except in so far as liability is mandated by law. APC will deliver products at agreed upon times in so far as it is reasonably able to do so, but APC shall not be liable for failure to deliver beyond its reasonable control.
Product covered under one or more of the following patents or patents pending. 5,169,912 5,658,996 5,874,501
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