Carboline Carbomastic 242

    8614
    CAR3689

    Carboline Carbomastic 242 is a two-component, aluminium-pigmented, low temperature curing mastic designed for cold weather applications down to -18°C . This unique coating provides excellent corrosion resistance over existing finishes and rusted or SSPC-SP2 or SP3- cleaned steel.

    • Single coat application characteristics
    • Suitable as a topcoat for most tightly adhered existing coatings
    • Dry to handle in 24 hours at -7°C 
    • Extended pot life at low temperatures
    • VOC compliant to current AIM regulations
    • Flat finish

    Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.

    Should you require training, visit - https://www.safeusediisocyanates.eu/

    Colour
    Size
    Finish
    £378.00(ex. VAT)
    £453.60 (inc. VAT)
    Quantity
    Please choose your colour
    This Product is Price on Application Only

    Description

    Professional use only - from the 24th August 2023, adequate training is required before industrial or professional use of this product.

    Should you require training, visit - https://www.safeusediisocyanates.eu/

    Carboline Carbomastic 242 is a two-component, aluminium-pigmented, low temperature curing mastic designed for cold weather applications down to -18°C. This unique coating provides excellent corrosion resistance over existing finishes and rusted or SSPC-SP2 or SP3- cleaned steel.



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    Features and Benefits


    • Single coat application characteristics
    • Suitable as a topcoat for most tightly adhered existing coatings
    • Dry to handle in 24 hours at -7°C 
    • Extended pot life at low temperatures
    • VOC compliant to current AIM regulations
    • Flat finish



    Product Specification


    Technical Data
    Carboline Carbomastic 242
    Volume Solids:62% +/- 2%
    Theoretical Coverage Rate:(24.4 m²/l at 25 microns
    8.1 m²/l at 75 microns
    2.4 m²/l at 250 microns
    Allow for loss in mixing and application
    Dry Film Thickness:76 microns per coat over inorganic zinc primers
    127 microns per coat over unprimed steel and existing coatings
    254 microns applied in two coats for immersion service
    Do not exceed 200 microns in a single coat
    Dry Temperature Resistance:Continuous: 82°C 
    Non-Continuous: 121°C 
    Topcoats:May be topcoated with most two-pack topcoats
    Limitations:May be coated with acrylics, epoxies, alkyds, or polyurethanes depending on exposure and need.
    Flash Point:Part A:  16°C 
    Part B: >100°C 
    Shelf Life:Part A and B: Min. 24 months at  24°C 
    Shelf Life: (actual stated shelf life) when kept at recommended storage conditions and in original unopened containers
    Storage Temperature and Humidity:2-43°C 
    0-90% Relative Humidity



    Performance Data
    Test MethodSystemResults
    ASTM B 117 Salt Spray2 cts over blasted steel

    No blistering or rusting

    No loss of adhesion

    Rust in scribe. Less than 3/16 inch undercutting at scribe

    ASTM D 3363 Pencil Hardness1 ct. applied at 6 mils DFT>8H
    ASTM D 4060 Abrasion

    1000 cycles

    1000 gm

    Load CS-17 wheel 2 coats

    169 mg loss
    ASTM D 4541 Adhesion (Elcometer)

    A) Blasted Steel

    B) Rusted Steel

    A) 710 psi B) 658 psi
    ASTM D 4541 Adhesion (Pneumatic)

    A) Blasted Steel

    B) Rusted Steel

    A) 1511 psi B) 1213 psi
    ASTM D 522 Elongation

    Conical Mandrel - One coat cured at:

    A) 23°C         

    B) 4°C

    Distance from end of Mandrel to end of first crack:

    A) ½ inch avg. Actual elongation: 40% avg

    B) ¼ inch avg. Actual elongation: 74% avg



    Drying Times


    Curing Schedule
    Surface Temp.Dry to RecoatDry to Recoat and Topcoat with Other Finishes
    -18°C 36 Hours36 Hours
    -7°C 24 Hours24 Hours
    10°C 12 Hours12 Hours
    24°C 4 Hours4 Hours



    • These times are based on a 125 micron dry film thickness. Higher film thickness, insufficient ventilation or cooler temperatures will require longer cure times and could result in solvent entrapment and premature failure
    • Maximum recoat/topcoat times are 30 days for epoxies and 90 days for polyurethanes at 24°C. Recoat intervals may vary from those listed above when using under intumescent fireproofing products
    • Consult Rawlins on Tech - 0113 2455450 (option 2) or [email protected] for recommended cure times before applying Carboline intumescent products
    • Excessive humidity or condensation on the surface during curing can interfere with the cure. If the maximum recoat time is exceeded, the surface must be abraded prior to the application of additional coats.
    • Note: This product contains conductive pigments and cannot be holiday tested



    Curing Schedule For Immersion Service
    Surface Temp.Final Cure Immersion
    24°C5 Days



    Surface Preparation


    General

    • Surfaces must be clean and dry
    • Employ adequate methods to remove dirt, dust, oil and all other contaminants that could interfere with adhesion of the coating

    Steel

    • Immersion: SSPC-SP10 with a 50- 75 micron surface profile
    • Non-Immersion: SSPC-SP6 with a 50-75 micron surface profile for maximum protection
    • SSPC-SP2, SP3, SP7, or SP12 are also acceptable methods

    Galvanised Steel

    • SSPC-SP1 (Aged)
    • SSPC-SP16 (New)
    • When using under fireproofing products, defer to the primer surface preparation requirements in the product data sheet of the fireproofing product

    Previously Painted Surfaces

    • Lightly sand or abrade to roughen and de-gloss the surface. Existing paint must attain a minimum 3A rating in accordance with ASTM D3359 “X-Scribe” adhesion test



    Application Methods


    Product Information
    Mixing:Power mix separately, then add Part B to Part A and power mix
    Do not mix partial kits
    Thinning:May be thinned up to 25 oz/gal (20%) with Thinner 76 for spray, brush, or roller applications
    For warmer temperatures, may be thinned up to 26 oz/gal (20%) with Thinner 72
    Use of thinners other than those supplied by Carboline may adversely affect product performance and void product warranty, whether expressed or implied
    Ratio:4:1 Ratio (A to B)
    Pot Life:6 Hours at 2°C
    3 Hours at 24°C
    This material is moisture sensitive. Moisture contamination will shorten pot life and cause gelation. Pot life ends when coating become too viscous to use
    Spray Application (General):This is a high solids coating and may require slight adjustments in spray techniques. Wet film thickness is easily and quickly achieved
    Conventional Spray:Pressure pot equipped with dual regulators, 3/8” I.D. minimum material hose, 0.086” I.D. fluid tip and appropriate air cap
    Airless Spray:Pump Ratio: 30:1 min
    Volume Output: 3.0 gpm min
    Material Hose: 3/8” I.D. min
    Tip Size: 0.017-0.021”
    Output PSI: 1900-2100
    Filter Size: 60 mesh
    Brush and Roller:Multiple coats may be required to obtain desired appearance, recommended dry film thickness and adequate hiding. Avoid excessive re-brushing or rerolling
    Brush:Use a medium bristle brush
    Roller:Use a short-nap roller cover with a solvent resistant core



    Application Conditions


    Product Conditions
    ConditionMaterialSurfaceAmbientHumidity
    Minimum2°C -18°C-18°C0%
    Maximum24°C 27°C27°C80%



    • Condensation due to substrate temperatures below the dew point can cause flash rusting on prepared steel and interfere with proper adhesion to the substrate
    • Special application techniques may be required above or below normal application conditions
    • Note: In warm conditions, it is important to control film thickness, especially in overlap areas as excessive thickness may cause solvent entrapment



    Health and Safety


    Clean Up

    • Use Thinner 2 or Acetone
    • In case of spillage, absorb and dispose of in accordance with local applicable regulations

    Safety

    • Read and follow all caution statements on this product data sheet and on the safety data sheet for this product
    • Employ normal workmanlike safety precautions
    • Hypersensitive persons should wear protective clothing, gloves and use protective cream on face, hands, and all exposed areas

    Ventilation

    • When used as a tank lining or in enclosed areas, thorough air circulation must be used during and after application until the coating is cured.
    • The ventilation system should be capable of preventing the solvent vapor concentration from reaching the lower explosion limit for the solvents used.
    • In addition to ensuring proper ventilation, appropriate respirators must be used by all application personnel
    • Refer to the product data sheet and safety data sheet in the attachments section above for further details
    Product Details
    3689-476106

    Data sheet

    Manufacturer
    Carboline
    For Use On
    Galvanized Steel, Steel
    Application Method
    Brush, Roller, Spray
    Sheen
    Flat
    Colour
    Standard / Ready Mixed
    Single, Two or Three Pack
    Two-Pack
    Pack Size
    20L
    Mixing Ratio
    4:1 Ratio (A to B)
    Dry to Recoat (at 20°C)
    24 Hours
    Coverage
    994 ft²/gal at 1.0 mils (24.4 m²/l at 25 microns) - 331 ft²/gal at 3.0 mils (8.1 m²/l at 75 microns) - 99 ft²/gal at 10.0 mils (2.4 m²/l at 250 microns)
    Recommended Thinner/Cleaner
    Carboline Thinner 2
    Compatible Topcoats
    May be topcoated with most two-pack topcoats
    Max. Application Temperature
    Material: 75°F (24°C) - Surface: 80°F (27°C) - Ambient: 80°F (27°C) - Humidity: 80%
    Min. Application Temperature
    Material: 35°F (2°C) - Surface: 0°F (-18°C) - Ambient: 0°F (-18°C) - Humidity: 0%
    Solids by Volume
    62% +/- 2%
    Shelf Life (from date of manufacture)
    Part A and B: Min. 24 months at 75 °F (24 °C)
    Recommended Dry Film Thickness
    3 mils (76 microns) per coat over inorganic zinc primers - 5 mils (127 microns) per coat over unprimed steel and existing coatings - 10 mils (254 microns) applied in two coats for immersion service
    UN Number
    UN1263
    Pot Life
    6 Hours at 35°F (2°C) - 3 Hours at 75°F (24°C)
    Suitable For Use On
    Galvanised Steel
    Suitable For Use On
    Steel
    Application Method
    Roller
    Application Method
    Brush
    Application Method
    Spray
    Usages
    Direct to Metal
    Product Usage Type
    Topcoat
    Product Range
    Carbomastic
    Attachments
    Download


    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.


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    IMPORTANT SHIPPING & DELIVERY INFORMATION

    Carboline Carbomastic 242 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.

    All delivery costs below are excluding VAT


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