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Interthane 989

A two pack, surface tolerant, polyurethane cosmetic finish with good resistance to severe weathering. Good abrasion, chemical and solvent resistance with extended overcoating intervals.

Intended uses

As a cosmetic finish for above water areas. For use at Newbuilding, Maintenance & Repair or On Board Maintenance.

color CCB000-White, CCK724-Storm Grey, CCL274-Red, CCY999-Black ; and a wide range of colours
Finish/Sheen High gloss (ISO 2813 : 1978)
Converter/Curing Agent CCA315
Volume Solids 57% ±3% (ISO 3233:1998)
Specific Gravity 1.22
Mix Ratio 5.00 volumes Part A to 1 volume Part B
Typical Film Thickness 50 microns dry (88 microns wet)
Theoretical Coverage 0.107 kg/m2 (11.40 m2/lt, 0.088 lt/m2) at 50 microns dft, allow appropriate loss factors
Method of Application Airless Spray, Brush, Conventional Spray, Roller
Flash Point Part A 39°C ; Part B 33°C ; Mixed 33°C
Induction Period Not required

Drying Information

  Substrate Temperature
  -5°C 5°C 25°C 35°C
Touch Dry [ISO 9117/3:2010] 6 hrs 4 60 mins 40 mins
Hard Dry [ISO 9117-1:2009] 36 hrs 18 hrs 2 hrs 60 mins
Pot Life 16 hrs 8 hrs 2 hrs 60 mins

Overcoating Data

seeLimitations
Overcoated By Substrate Temperature
  -5°C 5°C 25°C 35°C
  Min Max Min Max Min Max Min Max
Interthane 989 36 hrs ext 18 hrs ext 5 hrs ext 4 hrs ext

Regulatory data

VOC

419 g/lt as supplied (EPA Method 24)

System and compatibility

Consult your International Paint representative for the system best suited for the surfaces to be protected.

Surface preparations

Use in accordance with the standard Worldwide Marine Specifications. All surfaces to be coated should be clean, dry and free from contamination. High pressure fresh water wash or fresh water wash, as appropriate, and remove all oil or grease, soluble contaminants and other foreign matter in accordance with SSPC-SP1 solvent cleaning.

NEWBUILDING/MAJOR REFURBISHMENT

Interthane 989 should always be applied over a recommended coating scheme. The primer surface should be dry and free from all contamination, and Interthane 989 must be applied within the overcoating intervals specified (consult the relevant product data sheet.)

REPAIR/OBM

Interthane 989 should always be applied over a recommended primer coating scheme. The primer surface should be dry and free from all contamination, and Interthane 989 must be applied within the overcoating intervals specified (consult the relevant product data sheet). Areas of breakdown, damage etc. should be prepared to the specified standard (eg. Sa21⁄2 (ISO 8501-1 : 1988)) and primed prior to the application of Interthane 989. Repair corroded areas with the specified anticorrosive scheme and apply Interthane 989 within the overcoating intervals specified for the primer (consult relevant primer data sheet). Interthane 989 may be applied directly over aged Interthane 989 following thorough fresh water washing and degreasing provided the coating to be overcoated is in an intact and tightly adherent condition. Loose or flaking coatings should be removed back to a firm edge and the area repaired before application of the full coat. The total area should be dry and free of all contamination (oil, grease, salt etc.) and overcoated with Interthane 989. within the overcoating intervals specified for the primer and/or intermediate coats (consult the relevant data sheets). Consult your International Paint representative for specific recommendations.

APPLICATION

Mixing

Material is supplied in two containers as a unit. Always mix a complete unit in the proportions supplied. Once the unit has been mixed it must be used within the working pot life specified. (1) Agitate Base (Part A) with a power agitator. (2) Combine entire contents of Curing Agent (Part B) with Base (Part A) and mix thoroughly with power agitator.

Thinner

Use International GTA713 only in exceptional circumstances. DO NOT thin more than allowed by local environmental legislation.

Airless Spray

Recommended. - Tip range 0.38 - 0.53mm (15-21 thou) - Total output fluid pressure at spray tip not less than 176 kg/cm2 (2500 p.s.i.)

Conventional Spray

Suitable.

Brush

Application by brush is recommended for small areas only. Multiple coats may be required to achieve specified film thickness.

Roller

Application by roller is recommended for small areas only. Multiple coats may be required to achieve specified film thickness. Thinning may be required.

Cleaner

International GTA713

Work Stoppages and Cleanup

Do not allow material to remain in hoses, gun or spray equipment. Thoroughly flush all equipment with International GTA713. Once units of paint have been mixed they should not be resealed and it is advised that after prolonged stoppages work recommences with freshly mixed units. Clean all equipment immediately after use with International GTA713. It is good working practice to periodically flush out spray equipment during the course of the working day. Frequency of cleaning will depend upon amount sprayed, temperature and elapsed time, including any delays. Do not exceed pot life Limitations. All surplus materials and empty containers should be disposed of in accordance with appropriate regional regulations/legislation.

Welding

In the event welding or flame cutting is performed on metal coated with this product, dust and fumes will be emitted which will require the use of appropriate personal protective equipment and adequate local exhaust ventilation. In North America do so in accordance with instruction in ANSI/ASC Z49.1 "Safety in Welding and Cutting."

SAFETY

All work involving the application and use of this product should be performed in compliance with all relevant national Health, Safety & Environmental standards and regulations. Prior to use, obtain, consult and follow the Material Safety Data Sheet for this product concerning health and safety information. Read and follow all precautionary notices on the Material Safety Data Sheet and container labels. If you do not fully understand these warnings and instructions or if you can not strictly comply with them, do not use this product. Proper ventilation and protective measures must be provided during application and drying to keep solvent vapour concentrations within safe limits and to protect against toxic or oxygen deficient hazards. Take precautions to avoid skin and eye contact (ie. gloves, goggles, face masks, barrier creams etc.) Actual safety measures are dependant on application methods and work environment.

Limitations

Not suitable for use on boottop areas. This product may be applied directly over most generic types of paint that have been aged for at least 3 months. It is advisable, however that a small trial be carried out before applying a full coat. Accurate film thickness control is essential, particularly when overcoating existing systems. As application, environmental and design factors can vary significantly, due care should be exercised in the selection, verification of performance, and use of the coating. Low temperature, high relative humidity and condensation occurring during or immediately after application may result in a matt finish and an inferior film. Overcoating information is given for guidance only and is subject to regional variation depending upon local climate and environmental conditions. Consult your local International Paint representative for specific recommendations. Apply in good weather. Temperature of the surface to be coated must be at least 3°C (5°F) above the dew point. For optimum application properties bring the material to 21-27°C (70-80°F), unless specifically instructed otherwise, prior to mixing and application. Unmixed material (in closed containers) should be maintained in protected Storage in accordance with information given in the Storage Section of this data sheet. Technical and application data herein is for the purpose of establishing a general guideline of the coating application procedures. Test performance results were obtained in a controlled laboratory environment and International Paint makes no claim that the exhibited published test results, or any other tests, accurately represent results found in all field environments. As application, environmental and design factors can vary significantly, due care should be exercised in the selection, verification of performance and use of the coating. In the overcoating data section 'ext' = extended overcoating period. Please refer to our Marine Painting Guide - Definitions and Abbreviations available on our website.

Unit size

Unit size Part A Part B
  Vol Pack Vol Pack
20 lt 16.7 lt 20 lt 3.3 lt 5 lt

Unit shipping weight

Unit size Unit Weight
20 lt 26.97 Kg

Storage

Shelf Life 12 months minimum at 25°C (77°F). Subject to re-inspection thereafter. Store in dry, shaded conditions away from sources of heat and ignition.
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