ET655 - Slow Activator HS IMRON FLEET LINE 5L

The activator ET655 is the HS Slow hardener of the Imron® Fleet Line system, intended for 2K industrial vehicle paints. It extends the open time and stabilizes the painting process on large surfaces or at high temperatures.

Technical Characteristics

• Full Name: Cromax Imron® Fleet Line ET655
• Reference: ET655
• Type: HS Slow Activator (2K hardener)
• Chemical Base: Aliphatic polyisocyanate (hexamethylene diisocyanate oligomers)
• Range: Imron® Fleet Line – Cromax CVR (Commercial Vehicle Refinish)
• Packaging: 5 liters (metal can)
• Appearance: Clear to slightly amber liquid
• Density: approx. 1.08 g/cm³ at 20°C
• Flash Point: approx. 26°C
• Shelf Life: 24 months (in original closed packaging, at 5–30°C)

Usage Instructions

1. Use ET655 in case of high ambient temperature (>25°C) or for applications on large surfaces (buses, trucks, trailers).
2. Mix with the topcoat or clears from the Imron® Fleet Line range according to the ratios indicated on the base product's technical sheet (e.g., 3:1 or 4:1 depending on the product).
3. Optionally add the recommended thinner (ET750/ET755) to adjust viscosity according to conditions.
4. Apply in 2 or 2.5 cross coats, respecting evaporation times between coats.
5. Air dry or bake according to the topcoat used (e.g., 60°C / 30 min).

Recommended Applications

• Industrial painting of heavy trucks, buses, utility vehicles, trailers
• Paint booths at high temperature or extended application time

Key Benefits

• Extends the open time of the product for long applications
• Excellent flow and optimal leveling on large surfaces
• Direct compatibility with Imron® Fleet Line HS lacquers, topcoats, and clears
• Gloss, hardness, and durability meeting OEM standards

Safety & Precautions

• Contains isocyanates – risk of skin and respiratory sensitization.
• Mandatory use of A2P3 mask or air-fed system, nitrile gloves, and safety goggles.
• Flammable product: store away from heat or spark sources.
• Do not smoke during use.
• Consult the Safety Data Sheet (SDS) before use.

Thanks to its HS Slow formulation, the activator ET655 ensures perfect leveling and consistent hardening in high-temperature environments or on large surfaces, thus guaranteeing a homogeneous and professional finish in industrial painting.

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