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High Performance Light Stabilizer for Automotive OEM Coatings

Hostavin® 3058 LIQ

Hostavin 3058 LIQ is a liquid, non-basic and low molecular weight hindered amine light stabilizer (HALS) designed for high performance solventborne clearcoats requiring exterior durability and ideally suited for acid-catalyzed and oxidative systems.
  • Excellent solubility and broad compatibility in wide range of liquid paints
  • Low volatility and excellent stabilization efficiency
  • Non interacting with photoinitiator radicals during UV curing process
  • The low migration properties makes it suitable for use in plastic coatings 

Classification according CLP regulation (Regulation (EC) No. 1272/2008, as amended).
    Skin irritation, Cat. 2
    Skin sensitization, Cat. 1
    Short-term (acute) aquatic hazard, Cat. 1
    Long-term (chronic) aquatic hazard, Cat. 1 
For further information please refer to the Material Safety Data Sheet.

Chemical Composition


Classification:             Acylated hindered amine light stabilizer (HALS)


Delivery Specifications and (*) General Properties 

CharacteristicsUnitTarget valueTest method
Appearance yellowish liquidQM-AA-634
Gardner color max. 5ISO 4630
Starting material[%]max. 9.0QM-AA-930
Acylated HALS[%]min. 91QM-AA-930
*Density at 20°C[g/cm³]~ 1.00 
*Miscibility at 20°C[g/100g] 
      Water max. 0.02 
      n-Butanol min. 200 
      White Spirit min. 200 
      Xylene min. 200 
      Acetone min. 200 
      Ethyl Acetate min. 200 
      Toluene min. 200 



Hostavin 3058 LIQ is widely used in clearcoat automotive OEM systems based on acid-catalyzed resin system. It is highly recommended for high solid solventborne paint systems in the general industrial coatings market.

In addition it is suitable for alkyd based wood stains and varnishes requiring long lasting performance and as an acylated HALS, Hostavin 3058 LIQ is not instantly active and therefore does not interact with the photoinitiators during the UV curing process.

Recommended dosage level of Hostavin 3058 LIQ:                      1.0 - 3.0% (active additive on solid resin) 

Packaging and Handling

Delivery form

Steel drums 50 kg
Pallet 400 kg (8 drums)

Minimum shelf life is five years from the date of shipping when stored in a cool, dry place. Due to the nature of this products, the Gardner color may change overtime. Hostavin 3058 LIQ also tends to form a crystalline precipitate when stored in cold conditions, heating the product to 50°C for a few hours will re-liquify Hostastat 3058 LIQ to its original state. Neither the Gardner color change nor the reheating affects the products performance.

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