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Interline 925

A light coloured, solvent free, pure epoxy coating.

INTENDED USES

A high performance potable water tank coating which can also be used in ballast tanks, void spaces, cofferdams and wet spaces. For use at Newbuilding or Maintenance & Repair.

color THA125/THA127-White, THA125/THA126-Cream
Finish/Sheen Gloss
Part B (Curing Agent) THA126, THA127
Volume Solids 100% (ISO 3233:1998)
Mix Ratio 3 volume(s) Part A to 1 volume(s) Part B
Typical Film Thickness 300 microns dry (300 microns wet). NSF approval is based on 450 microns dry in a single coat.
Theoretical Coverage 3.33 m2/litre at 300 microns dft, allow appropriate loss factors
Method of Application Airless Spray, Brush, Roller
Flash Point Part A >101°C; Part B >101°C; Mixed >101°C

Drying Information

  Substrate Temperature
  10°C 15°C 25°C 35°C
Touch Dry [ISO 1517:73] 15 hrs 12 hrs 8 hrs 5 hrs
Hard Dry [ISO 9117:90] 36 hrs 24 hrs 18 hrs 8 hrs
Pot Life

2 hrs

90 hrs 60 mins 45 mins

Note

When used in non-marine applications, different overcoating intervals apply - refer to the International Protective Coatings Interline 925 datasheet.

Overcoating Data

see limitations
Overcoated By Substrate Temperature
  5°C 10°C 25°C 35°C
  Min Max Min Max Min Max Min Max
Interline 850 36 hrs 35 days 30 hrs 34 days 16 hrs 28 days 12 hrs 14 days

REGULATORY DATA

VOC

125 g/lt as supplied (EPA Method 24) 23 g/kg of liquid paint as supplied. EU Solvent Emissions Directive (Council Directive 1999/13/EC)

Note.

VOC values are typical and are provided for guidance purposes only. These may be subject to variation depending on factors such as differences in colour and normal manufacturing tolerances.

CERTIFICATION

When used as part of an approved scheme, this material has the following certification:

  • Potable Water - Carriage of Potable Water (WRC) (BS6920:Part 1)

  • Potable Water - Certification for tanks greater than 1,000 gallons (ANSI Standard 61)

  • Potable Water - Offshore installations (Norwegian National Institute of Public Health)

  • Potable Water - Compliant with The Vessel Sanitation Programme (VSP) Construction Guidelines

  • Potable Water - Approved for contact with non-acid aqueous foodstuff (type 1) (Adolfo Lutz Institute)

  • Potable Water - Carriage of Potable Water (Folkehelseinstituttet, Norway)

Potable Water Certification issued by external bodies is dependent upon formulation and/or manufacturing site. Based on this, products supplied in different territories may not be approved to all of the standards listed above. Consult your International Paint representative for details.

SYSTEMS AND COMPATIBILITY

Consult your International Paint representative for the system best suited for the surfaces to be protected. When using in potable or grey water tanks, consult the Interline 925 Potable or Grey Water Tanks Application Guidelines.

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

Where necessary, remove weld spatter and smooth weld seams and sharp edges. Welds and damaged areas should be blast cleaned to Sa21⁄2 (ISO 8501-1:2007). Intact shop primer should be prepared by sweep blasting to International Paint standard AS3 or by power tooling to Pt3 (JSRA SSPC:1984). For PVB and unapproved shop primers, the surface should be blast cleaned to Sa21⁄2 (ISO 8501-1:2007)

Note

For potable water tanks, the entire tank must be blast cleaned to a minimum of Sa21⁄2 (ISO 8501-1:2007).

MAJOR REFURBISHMENT

Abrasive blast clean to Sa21⁄2 (ISO 8501-1:2007). If oxidation has occurred between blasting and application of Interline 925, the surface should be reblasted to the specified visual standard. Surface defects revealed by the blast cleaning process, should be ground, filled, or treated in the appropriate manner.

REPAIR

Consult International Paint. 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) Agitate Curing Agent (Part B) with a power agitator. (3) Combine entire contents of Curing Agent (Part B) with Base (Part A) and mix thoroughly with power agitator.

Thinner

Not recommended.

Airless Spray

Recommended Tip Range 0.53-0.64 mm (21-25 thou) Total output fluid pressure at spray tip not less than 211 kg/cm2 (3000 p.s.i.) Mixed material temperatures should be between 30-35°C for optimum spraying.

Conventional Spray

Application by conventional spray is not recommended.

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.

Cleaner

International GTA822/GTA415

Work Stoppages and Cleanup

Do not allow material to remain in hoses, gun or spray equipment. Thoroughly flush all equipment with International GTA822/GTA415. 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 GTA822/GTA415. 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

At ambient temperatures below 25°C paint lines must be lagged. In-line heaters should not be used unless absolutely necessary. Consult International Paint for detailed instructions. This product will not cure adequately below 10°C. For maximum performance the curing temperature should be kept below 35°C. Particular care should be taken to avoid exceeding this in localised areas when artificial heating is introduced. The climatic conditions within the tank must be controlled to maintain a maximum relative humidity of 50% at temperatures between 10-15°C, and a maximum relative humidity of 60% at temperatures of 16°C and above. The drying times and overcoating intervals may alter due to various on-site factors such as tank configuration and ventilation rates. Maximum overcoating intervals may need to be reduced when application takes place in conditions of poor ventilation. Consult International Paint. 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 above the dew point. For optimum application properties bring the material to 30-35°C, 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.

UNIT SIZE

Unit Size Part A Part B
  Vol Pack Vol Pack
20 lt 15 lt 20 lt 5 lt 5 lt
4 US gal 3 US gal 5 US gal 1 US gal 1 US gal

UNIT SHIPPING WEIGHT

Unit Size Unit Weight
20 lt 29.33 KgKg
4 US gal 53.3 lb

STORAGE

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