What it is and why choose it
INTERTHANE 3230G Part A Indivisible Kit is the base component of a two-component, high solids, low VOC acrylic polyurethane primer/finish pigmented with zinc phosphate. When mixed with its dedicated curing agent (Part B), it delivers fast curing, durable and decorative protection with enhanced anti-corrosive performance. It is designed for OEM and industrial environments where rapid handling, energy-efficient stoving and long-lasting gloss and colour retention are essential.
Main features
- Two-component acrylic polyurethane primer/finish (Part A base component).
- High gloss finish with typically 70–80 gloss units at 60°.
- High volume solids (70% ± 2%) for efficient film build and coverage.
- Low VOC formulation (214 g/kg) in line with EU Solvent Emissions Directive.
- Fast curing with quick handling times across a wide temperature range.
- Good adhesion to correctly prepared steel, galvanised steel and stainless steel.
- Lead chromate free.
- Versatile film thickness suitable for single- or two-coat systems.
- Designed for automated application and forced curing processes.
- Suitable for use as part of the International 3200 product series systems.
Technical specifications
- Product type: Acrylic polyurethane primer/finish (Part A of two-component system).
- Colour: Colours available on request.
- Gloss level: 70–80 gloss units at 60°.
- Volume solids: 70% ± 2%.
- Recommended dry film thickness: 80–150 microns (3.2–6 mils).
- Typical wet film thickness: 114–214 microns (4.6–8.6 mils).
- Theoretical coverage: 8.80 m²/litre at 80 microns d.f.t. and stated volume solids (351 sq.ft/US gallon at 3.2 mils d.f.t.).
- Practical coverage: Allow appropriate loss factors.
- Density: 1.49 kg/l (12.4 lb/gal).
- VOC: 214 g/kg (EU Solvent Emissions Directive, Council Directive 2010/75/EU).
- Flash point (typical): Part A 35°C (95°F); Part B 50°C (122°F); Mixed 35°C (95°F).
- Mix ratio (by volume): 6 parts Part A : 1 part Part B.
- Working pot life after mixing: approx. 5 hours at 15°C, 2.5 hours at 25°C, 1.5 hours at 40°C.
- Touch dry: approx. 2.5 h (15°C); 90 min (25°C); 60 min (40°C); 50 min (60°C).
- Hard dry: approx. 10 h (15°C); 6 h (25°C); 3 h (40°C); 90 min (60°C).
- Overcoating interval with self (minimum): 10 h (15°C); 6 h (25°C); 3 h (40°C); 90 min (60°C). Maximum: Extended.
- Recommended application methods: Airless spray, air assisted airless spray, conventional air spray (pressure pot), plural component airless spray, brush, roller.
- Recommended thinner/cleaner: International GTA713 (do not thin more than allowed by local environmental legislation).
- Surface preparation – steel: Abrasive blast to Sa2½ (ISO 8501-1:2007) or SSPC-SP6 with 40–60 microns (1.6–2.4 mils) profile; 20–30 microns (0.8–1.2 mils) allowable for improved aesthetics.
- Surface preparation – stainless, galvanised steel and aluminium: Solvent or detergent cleaning followed by water rinsing, then sanding or sweep blasting to ISO 8501-1:2007 Sa1 / SSPC SP7.
- Suitable substrates: Correctly prepared steel, galvanised steel, stainless steel, aluminium and suitably primed surfaces.
- System compatibility – recommended primer: Intergard 3210 when enhanced anti-corrosive performance is required.
- Overcoatable with: Itself (Interthane 3230G) or Interthane 3230HG, Interthane 3230M, Interthane 3230SG.
- Service environment: Polyurethane-based anti-corrosive systems suited to ISO 12944 C1, C2 and C3 low-corrosivity environments for light industrial steelwork.
- Surface temperature during application: At least 3°C (5°F) above dew point.
- Pack size for Part A (typical): 20 litre unit, 17.14 litre fill in 20 litre can.
- Shipping weight (typical) Part A: 28.4 kg for 20 litre unit.
- Storage and shelf life: Minimum 12 months at 25°C (77°F), stored dry and shaded, away from heat and ignition sources; subject to re-inspection thereafter.
Applications and use cases
INTERTHANE 3230G Part A is formulated for OEM and industrial users as part of the International 3200 series coating systems. Typical uses include:
- Single- or two-coat primer/finish systems for construction and mining heavy machinery.
- Protective coating for agricultural equipment.
- Coating of railcars and other transportation vehicles.
- Material handling and lifting equipment.
- Pumps, valves and gear units.
- Other small motors and machinery requiring a durable, decorative and anti-corrosive finish.
- Light industrial steelwork in internal dry environments.
- Exposed steelwork in low-corrosivity environments corresponding to ISO 12944 C1, C2 and C3.
The product is particularly suitable where automated spray application and forced curing are in operation. Its rapid drying profile at or below 40°C helps reduce energy consumption and stoving emissions compared with conventional alkyd enamels that typically require higher drying temperatures.
FAQ
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Is INTERTHANE 3230G suitable as both primer and topcoat?
Yes. It is an acrylic polyurethane primer/finish designed for use as a single- or two-coat system, acting as both primer and finishing coat.
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On which substrates can this coating be applied?
It can be applied to correctly prepared steel, galvanised steel, stainless steel, aluminium and suitably primed surfaces, following the specified surface preparation standards.
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What film thickness is recommended?
The typical dry film thickness is 80–150 microns per coat, corresponding to 114–214 microns wet.
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How fast does the product dry?
At 25°C, the coating is typically touch dry in about 90 minutes and hard dry in around 6 hours. Drying is faster at higher temperatures and slower at lower temperatures.
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Can INTERTHANE 3230G be overcoated with other finishes?
Yes. It may be overcoated with itself or with Interthane 3230HG, Interthane 3230M and Interthane 3230SG, within the specified overcoating intervals.
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Is the product compliant with VOC regulations?
Yes. Its VOC content is 214 g/kg in line with the EU Solvent Emissions Directive (Council Directive 2010/75/EU).
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Who is this product intended for?
It is intended only for use by professional applicators in industrial situations, in accordance with the guidance provided on the technical and safety data sheets.
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What happens if the coating is exposed to standing water too early?
Premature exposure to ponding water can cause a permanent colour change, but this does not affect the anti-corrosive protection provided by the coating.
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Can more than one coat be required for certain colours?
Yes. In some colours, more than one application may be needed to achieve uniform coverage.
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How should unused mixed material and empty containers be handled?
All surplus materials and empty containers should be disposed of in accordance with the relevant regional regulations and legislation.
Section 14 – Transport information
Consultar ficha técnica del fabricante.
Section 8 – Individual protection measures
- This product is intended for professional use only and must be applied in compliance with all relevant national Health, Safety and Environmental standards and regulations.
- Use appropriate personal protective equipment as indicated in the Safety Data Sheet (SDS), especially when welding or flame cutting on coated metal, as dust and fumes will be emitted.
- Warning: Contains isocyanate. For spray application, wear an air-fed hood.
- Ensure adequate local exhaust ventilation during application and when working on coated surfaces.
*Contenido generado por IA
