Interior coating for aluminium packaging, essential for protecting the quality of the products and preventing damage to the material with which they come in contact.
The excellent quality of the Protaral® interior coatings, their reliability and immediate availability worldwide are key factors behind the success of these products over the years, above all in demanding industries where high quality product appearance is essential, such as the pharmaceuticals & cosmetics and food & beverage markets. Weilburger Coatings (the Grebe Group) constantly invests in research to improve its coatings for aluminium packaging and meet new market requirements. Today a company opting to use aluminium packaging conveys its great sense of responsibility, awareness and commitment to the environment.
Color | Polymer Resistance |
Application | Suitable for | |
Protaral® Monobloc | ||||
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Pigmented | Epoxy phenolic Very high resistance to alkaline products |
Multipurpose | Suitable for all standard aerosol cans. For methylene products containing chloride |
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Clear gold |
Epoxy phenolic Very high resistance to acidic products |
Very easy to spray even on older spraying lines | Suitable for large gauge aerosol cans. Developed especially for whipped cream |
Protaral® Classic | ||||
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Clear gold |
Epoxy phenolic amino modified Very high resistance to acidic products (tomato) |
Multipurpose. Very easy to spray with all kinds of spraying machines. Performs well also on older production plants and lines where dirt build up is a problem. High solids content |
Suitable for all tube gauges. Standard uses (wide range of applications, very good average performance) |
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Clear gold |
Epoxy phenolic amino modified Very high resistance to acidic products |
High solids content | Standard uses (wide range of applications, very good average performance). Optimized to achieve very little residual smell inside the coated tubes |
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Clear gold |
Epoxy phenolic amino modified Very high resistance to acidic products (tomato) |
Particularly suitable for high speed production lines. High solids content |
Low overspray (avoids issues related to overspray build-up and subsequent external over-coating problems with water-based enamels) |
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Clear gold |
Epoxy phenolic amino modified Resistant to ammonia and alkaline substances resistance (hair dyes) |
Particularly suitable for high speed production lines. High solids content | Standard uses (wide range of applications, very good average performance). Avoids issues related to overspray build-up and subsequent external over-coating problems with water-based enamels |
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Clear gold |
Epoxy phenolic Resistant to acidic products |
Specifically for toothpaste | Specially formulated for toothpaste |
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Clear gold |
Epoxy urea Ammonia resistant |
Very good behaviour also on older production lines. High viscosity. Medium solids content |
Specially formulated to fulfils L’Oréal specification “ammonia test” |
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Pigmented | Epoxy phenolic amino modified Excellent ammonia resistance |
Performs very well on older production lines. High viscosity. Medium solids content | Strong hair dyes |
Protaral® Hydro | ||||
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Clear gold |
H2O epoxy phenolic General purpose. High resistance to acidic and good resistance to alkaline products |
High solids content | Brand new water-based development |