ASCOTRAN® HPB is a ready-to-use liquid antiflash-rust additive designed for all waterborne coatings. It acts as a hydrophobic agent, protecting almost dry films under severe conditions of ambient humidity. Additionally, it serves as a corrosion inhibitor for protecting metal packaging.

Labeling Claims: Organic, VOC-free

Compatible Polymers & Resins: Acrylics, Alkyds, Epoxies (EP), Polyurethanes (PU), Styrene Acrylics

End Uses: 2K (2 component) Coating, Glue, Mastics, Stains, Varnishes, Waterborne Coating

Technical Data Sheet

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Identification & Functionality

CASE Ingredients Functions
Product Families
Chemical Nature

Aqueous preparation made of organic acid salts.

Features & Benefits

Labeling Claims
Product Features
  • Does not cause coating’s water sensitivity
  • Usable in labeled paints (Ecolabel 2014/312/EU, NF-130 & Blaue Angel (RAL UZ-102 & UZ-12a)
  • Usable on ferreous and galvanized steel substrates

Applications & Uses

Compatible Polymers & Resins
Compatible Substrates & Surfaces
Adhesive & Sealant End Applications
Coating End Applications
Use Level
0.3 - 1.5% (for packaging protection.), 0.3 - 0.6% (on degreased steel, not rusted, sand-blasted or not.), 0.5 - 2% (on cast-iron or rusted substrates.)
Product Application
  • In 2K systems: should be added in the resin part in most cases (to be checked with preliminary testing).
  • Any type of waterborne paint or coating, neutral or alkaline, for professional or do-it-yourself uses :
    • Paints, Thick-coatings, Varnishes, Stains, Mastics, Glues.


Physical Form
Pale yellow limpid liquid
Compatible with
PU, Alkyds, Epoxy, Acrylics, Styrene-acrylic
Immiscible In
Isopropanol, Methyl Ethyl Ketone
Miscible in
Water, Ethanol, Dipropylene Glycol Monomethyl Ether, Butyl Glycol, Ethylene Glycol
Typical Properties
ValueUnitsTest Method / Conditions
Density (at 20°C)1.1 - 1.14--
Viscosity (at 20°C)33 - 43cPs-
pH Pure (at 20°C)7.7 - 8.3--
Freezing Pointmax. 0°C-
Volatile Organic Compounds*0%-

*According to directive 2004-42-CE

Regulatory & Compliance

Certifications & Compliance
Chemical Inventories

Packaging & Availability

Packaging Type
Packaging Information
  • Plastic pail of 30kg net.
  • Metal drum of 200kg net.
  • IBC of 1000 kg net.

No specific condition for transport. Weight and packaging size (off-pallet) :

  • Pail : 1.5kg - Ø30, H50
  • Drum : 15kg - Ø60, H90
  • IBC : 70kg - L120, l100, H120

Storage & Handling

Shelf Life
2 Years
Storage and Shelf Information
  • Ideal temperature conditions: 0 to 30°C.
  • Exposure: avoid direct exposure to sunlight.
  • Expiration: 2 years in its original sealed drum, in the storage conditions described above. With time, the colour of the product may turn darker, but it does not modify its properties.