PLASITE® 4550
Formerly Plasguard 4550
Formerly Semstone 145-TL
PRODUCT DESCRIPTION
PHYSICAL CHARACTERISTICS
PLASITE 4550 is a 100% solids, flake filled, premium novolac epoxy
coating for internal tank lining. It is a two component system
consisting of four parts by volume of Part A resin and one part by Tensile Strength…â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â??..8,000 psi (ASTM D-638)
volume of part B hardener. It is applied using plural component
Flexural Strength…â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â??..10,000 psi (ASTM D-790)
spray equipment, from a total thickness of 20-60 mils (500-1500
Flexural Modulus of Elasticity…â??.…â??7.8 psi x 106 (ASTM D-790)
microns) in a single coat application for a variety of applications.
Hardness…â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â??...80(ASTM D-2240 Shore D)
USES/APPLICATIONS
ï‚? Chemical Storage Tanks Weight per Mixed Gallon…â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â??9.3 lbs
ï‚? Wastewater Clarifiers Pot-life …â?¦â?¦â?¦â?¦â?¦â?¦â??..@ 35°F/2°C 30-40 minutes
ï‚? Plating Vats …â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â??...@75°F/24°C: 15-25 minutes
ï‚? Oil Storage Tanks
Cure Time (Approx.):
ï‚? Ethanol Storage Tanks
Dry To Touch …â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â??. @ 35°F/2°C: 8 hours
PRODUCT ADVANTAGES @ 75°F/24°C: 6 hours
ï‚? High impact resistance Firm …â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â?¦â??. @ 35°F/2°C: 16 hours
ï‚? Superior bondability to steel and concrete
@ 75°F/24°C: 8 hours
ï‚? Excellent resistance to a broad range of chemicals
� Minimal blushing characteristics Cure for Immersion Service (min 35°F)
� Can be applied in temperatures as low as 35°F Crude oil or aliphatic hydrocarbons .@ 35°F/2°C or above: 36 hours
� Can be applied as a one-coat system All others: @ 35°F/2°C or above: 5 days
Flammability…�����������������Nonflammable
CHEMICAL RESISTANCE
PLASITE 4550 is resistant to a broad range of chemicals such as
fuels, salts, alkalis, strong inorganic acids, some solvents, and 98%
sulfuric acid. shelf life of 6 months. To ensure maximum film build (30 mils), material
should be used within three months from date of manufacture. Proper
COLORS jobsite storage of PLASITE 4550 is essential to its performance. Follow
PLASITE 4550 is offered in light gray, light blue, tile red and white. these general procedures for storage at the jobsite:
FILM THICKNESS Store components (Part A and Part B) unopened, in a dry place, at 50-
Depends on service and existing substrate condition, PLASITE 85°F/10-29°C, out of direct sunlight, and protected from the elements.
4550 is typically applied at 20 mils in a single coat application. Keep away from heat and flame.
PACKAGING For the 24-48 hours just prior to use, narrow the storage temperature to
PLASITE 4550 is available in one, five and twenty gallon units. 70-85°F/21-29°C to facilitate ease of mixing.
One gallon unit includes: SURFACE PREPARATION
1 1 gallon can of Part A (resin) Steel
1 1 quart can of Part B (hardener) Immediately prior to application of the coating or, the steel substrate
must be clean of all oil, grease, dirt, dust, mill scale, rust, flash rust,
Five gallon units includes: corrosion products, salts, solvents, chlorides, other chemicals, and
1 5 gallon pail of Part A (resin) existing coatings.
1 1 gallon can of Part B (hardener)
All welds must be smooth and continuous; no skip welds. All weld
Twenty gallon unit includes: splatter, buckshot, laminations, and slivers must be removed and ground
smooth; undercuts and pinholes must be ground smooth and filled with
4 5 gallon pails of Part A (resin) weld metal. All projections, sharp edges, high points and fillets must be
1 5 gallon can of Part B (hardener) ground smooth to a radius of at least 1/8 inch and all corners must be
likewise rounded.
COVERAGE
One gallon of PLASITE 4550 will cover 1,604 mil sq. ft./gal. For All pitting, gouges, scratches, and other defects must be repaired either
estimating purpose, one gallon of PLASITE 4550 will cover by welding or by filling with repair materials that are compatible with the
approximately 64 sq. ft./gal. at 20 mils (20% loss included). coating or lining system and suitable for the intended service conditions.
All surfaces to be coated or lined must be readily accessible. The steel
THINNERS must be blasted to a minimum near White Metal Finish (NACE No. 2,
No thinners are recommended for the application of PLASITE 4550. SSPC SP 10) with a 4 mil/100 microns dense, sharp anchor profile free
of peening, as measured by ASTM D 4417.
CLEANUP THINNER: Thinner #71
STORAGE CONDITIONS
Keep PLASITE 4550 products tightly sealed in their original
containers until ready for use. Store at 50-85°F/10-29°C, out of
direct sunlight. Properly stored, PLASITE 4550 products have a
September 2007 replaces June 2006 119P
To the best of our knowledge the technical data contained herein is true and accurate on the date of publication and is subject to change without prior notice. User must contact Carboline Company to verify
correctness before specifying or ordering. No guarantee of accuracy is given or implied. We guarantee our products to conform to Carboline quality control. We assume no responsibility for coverage,
performance or injuries resulting from use. Liability, if any, is limited to replacement of products. NO OTHER WARRANTY OR GUARANTEE OF ANY KIND IS MADE BY CARBOLINE, EXPRESS OR
IMPLIED, STATUTORY, BY OPERATION OF LAW, OR OTHERWISE, INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Carbolineï›? and Plasiteï›? are registered
trademarks of Carboline Company.
PLASITE�4550
LINING REPAIR
Before any touch-up or recoat material can be applied, the first coat
MASKING & PROTECTION
must be properly prepared for intercoat adhesion. The first coat must
Mask or remove adjacent surfaces and equipment that are not to be
be cured firm to the touch. Coating on floors must be able to support
lined. Once applied, PLASITE 4550 is difficult to remove.
foot traffic. Scrub the first coat with soap and water and thoroughly
rinse and dry it. If the first coat cures more than 24-hours, lightly sand
Protect nearby pumps, motors and other equipment from spent abrasive
or mechanically abrade the surface after scrubbing it down with soap
venting from the tank during blasting.
and water. Any surface to be touched up or recoated should be
protected. When the recoat material is applied, the surface must be
GUIDELINES APPLICATION
dry and free of all dirt, dust, debris, oil, grease and other
Before mixing and applying any material, make sure environmental
contamination.
conditions are satisfactory for application. Weather conditions, and
especially dew point, should be constantly monitored in light of the work
INSPECTION
being done. Final blast cleaning and application of the lining system
Degree of surface preparation shall conform to appropriate
must only be performed when it is clear the temperature of the steel
specifications as outlined in SURFACE PREPARATION section. Film
substrate will not fall within 5°F/3°C of the dew point. Dehumidification
thickness of each coat and total dry film thickness of the coating
and/or temperature control may be necessary to meet this requirement.
system shall be determined with a non-destructive magnetic gauge
Use a surface thermometer to frequently monitor the temperature of the
properly calibrated.
steel substrate.
RECOMMENDATIONS
EQUIPMENT
ï‚? Apply only on a clean, sound, properly prepared substrate.
Use a fixed ratio (4:1 by volume) plural component spray rig such as: Graco
� Minimum ambient and surface temperatures are 35°F/2°C at the
King Hydro-Cat (or equal) with heated hoppers, heated hoses to a mixer
manifold through a static mixer to a 50 whip hose followed by a silver gun time of application.
� Maximum ambient and surface temperatures are 90°F/32°C at
(Binks 1M or equal) utilizing self-cleaning reverse “a� tips from 0.017 to
0.035 inches. See equipment specifications for more details. the time of application.
ï‚? Relative humidity should be between 0-85%.
Note: The “A� side should be at a minimum of 110°F/43°C and the “B�
� Substrate temperature should be 5°F/3°C above the dew point.
side at 90-100°F/32-37°C. This will ensure proper spraying of
ï‚? Application and curing times are dependent upon ambient
PLASITE 4550.
conditions. Consult Carboline’s Technical Service Department
if conditions are not within recommended guidelines.
Take care to prevent the mixed material from setting up in your hoses. For
best results, keep your hoses as short as possible, purge them immediately
PRECAUTIONS
if work is interrupted, keep them out of direct sunlight and insulated from
ï‚? PLASITE Thinner #71 is recommended for clean up of the PLASITE
hot surfaces.
4550 material.
ï‚? Before handling and application of this material consult the MSDS
APPLICATION
MIXING sheets. As with any product, those handling PLASITE 4550 materials
For touch-up only should employ proper safety practice. Hypersensitive persons should
We recommend using Jiffy type mixers for all mixing and stirring. When wear protective clothing, gloves, and use protective cream on any
operating the mixer avoid plunging it up and down in the bucket. This can exposed areas.
ï‚? When PLASITE 4550 is used as a tank lining or in an enclosed area
fold air into the resin, which may cause bubbles to form in the coating after
it has been applied. circulation should be used during and after the installation. Circulation
can be discontinued once the material has cured. The ventilation
Individually stir each separate Part A and Part B component to a smooth, equipment should be capable of preventing the solvent concentration
uniform consistency and color. Any sediment in the container must be from reaching the lower explosion level for the solvents used. The
thoroughly scraped up and redispersed. applicator should monitor the exposure levels or use MSHA/NIOSH
approved air respirators.
Spray
Immediately before applying a spray coat, stripe all continuous welds and NOTES
edges with a brush-coat to assure adequate protection of these areas.
ï‚? Material Safety Data Sheets on PLASITE 4550 are available upon
request.
All spray equipment should be clean and in proper working order. Contact
ï‚? Specific information regarding the chemical resistance of PLASITE
Technical Service for start-up and clean-up procedures. Adjust pressure to
4550 can be found by contacting Carboline’s Technical Service
50-70 pounds and open the valves at the manifold and purge materials at
Department.
the spray gun. Attach spray tip and begin to spray. Dependent upon tip
ï‚? A staff of technical service engineers is available to assist with product
size, each pass will be 8-14 mil/200-350 microns per pass. Apply material
application, or to answer questions related to Carboline products.
to specified thickness (for example: tank lining 35-40 mil/875-1000 microns,
ï‚? Requests for technical literature or service can be made through local
structural steel 15-20 mil/375-500 microns).
sales representatives and offices worldwide.
Apply criss-cross multi-passes, moving gun at a fairly rapid rate,
maintaining a wet appearing film. Use a wet film thickness gauge to
monitor film build.
Note: Force curing may be desirable in certain circumstances. Check
with Carboline Technical Service Department.
CURING
PLASITE 4550 will be dry to the touch in 8 hours at 35°F/2°C or 6 hours
at 75°F/24°C. The PLASITE lining will be ready for most immersion
service in 5 days at 35°F/2°C or above.
September 2007 replaces June 2006
To the best of our knowledge the technical data contained herein is true and accurate on the date of publication and is subject to change without prior notice. User must contact Carboline Company to verify
correctness before specifying or ordering. No guarantee of accuracy is given or implied. We guarantee our products to conform to Carboline quality control. We assume no responsibility for coverage, performance or
injuries resulting from use. Liability, if any, is limited to replacement of products. NO OTHER WARRANTY OR GUARANTEE OF ANY KIND IS MADE BY CARBOLINE, EXPRESS OR IMPLIED, STATUTORY, BY
OPERATION OF LAW, OR OTHERWISE, INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Carbolineï›? and Plasiteï›? are registered trademarks of Carboline Company.
|