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Additive

Discover our high-quality additives for the processing of epoxy resin, polyester resin, and gelcoat. They are used for the targeted adjustment of resin systems, improve processing properties, and enhance the quality of laminates and surfaces in boat building, model making, composite manufacturing, and industrial applications.

Additives for epoxy resin, polyester resin and gelcoat

Liquid foaming agent | HP-BEL11

BEL11 Liquid foaming agent
Solution of functional carbonyl diamides
Usable with: epoxy

To foam up of epoxy resins and to build foam laminates or in combination with sandwich materials (such as paddles or other components).

from 3,95 EUR

incl. 19% tax excl. Shipping costs

Liquid thickening agent | HP-BEL31

BEL31 is added as thixotroping agent in mixed systems
Solution of functional carbonyl diamides

After short interaction time, it takes to build a multidimensional network structure, which increases the anti-sagging properties without impairing levelling.

from 5,39 EUR

incl. 19% tax excl. Shipping costs

Degassing additive | HP-BEL51

HP-BEL51 is a defoaming and degassing agent
Solution of functional polymers and polysiloxanes

Stir it preferably into the base resin before adding other components. It is also possible to add the additive to the finished systems.

from 3,45 EUR

incl. 19% tax excl. Shipping costs

Bubble-free - Atomizer | HP-BEL61

BEL61 is used for the destruction of gas bubbles
Finest atomization, 1000 sprays per 100 ml container

The BEL61 is a liquid used to destroy surface bubbles in casting resins or epoxi coatings.

6,90 EUR
6,90 EUR per 100 ml

incl. 19% tax excl. Shipping costs

Piece:

Levelling additive | HP-BEL71

BEL71 is a levelling additive
Solution of functional polyacrylates

Stir it preferably into the base resin before adding other components.
It reduces surface defects (“fish-eyes”), especially used in upper layers (topcoats). It is also possible to add the additive to the finished systems.

from 3,95 EUR

incl. 19% tax excl. Shipping costs

Light stabilizer / Anti-yellowing additive | HP-BEL91

BEL91 is added as light stabilizer into ready mixed systems
Solution of functional amines

The HP-BEL91 improves anti-yellowing of epoxy and paints significant.

from 4,95 EUR

incl. 19% tax excl. Shipping costs

Reactive diluent for Epoxy Resins | RV23

Consider RV23 in the calculation of the hardener quantity!
Dosage up to 20 %
For a lower brittleness, we recommend adding 5 %
Overdose leads to losses of heat resistance and tensile strength

The reactive thinner RV23 is a low viscous, difunctional additive for epoxy resin systems.

from 23,90 EUR

incl. 19% tax excl. Shipping costs

Accelerator for Epoxy Resin Systems | HP-SB10

Excellent accelerating effect
Tertiary amine
Solvent-free
Shortens pot life
Optimizes curing speed

HP-SB10 is a catalytically active accelerator designed to optimize the curing process.

Sliding scale prices:: 1-2 Piece per 19,99 EUR (39,98 EUR per Kg)

3-4 Piece per 18,99 EUR (37,98 EUR per Kg)

5-9 Piece per 17,99 EUR (35,98 EUR per Kg)

10-19 Piece per 16,99 EUR (33,98 EUR per Kg)

20-49 Piece per 15,99 EUR (31,98 EUR per Kg)

> 49 Piece per 13,99 EUR (27,98 EUR per Kg)

19,99 EUR
39,98 EUR per Kg

incl. 19% tax excl. Shipping costs

Piece:

1 to 8 (from a total of 8)

Additives for different application areas

Our range includes various additive categories tailored to specific requirements. These include liquid blowing agents / foam blowing agents for the production of foam laminates, liquid thickeners for thixotropy and viscosity adjustment, and system deaerators to reduce bubble and foam formation. Flow agents help minimize surface defects, while bubble-free atomizers specifically remove trapped gas bubbles on surfaces. In addition, UV stabilizers / anti-yellowing agents improve long-term stability, and reactive diluents facilitate easier processing and better flow properties. These additives provide flexible solutions for laminating, coating, and repair processes in workshops, boat building, and industrial production.

Advantages of additives in resin processing

The use of additives helps to optimize processing workflows, improve the quality of final products, and expand the application range of resins. With targeted additives, pot life can be adjusted, surface properties enhanced, or chemical resistance increased. Additives support users in composite processing, GFRP and CFRP laminates, as well as in coating applications, enabling them to meet individual requirements while increasing work efficiency. This makes epoxy resin systems and polyester resins reliable and application-oriented, both in boat building and in industrial serial production.

Applications of additives in composite and coating processes

In practice, additives are used in many steps – from mixing and laminating to coating and repairing. They support controlled foaming, improve flow and deaeration behavior, and protect materials from yellowing, UV exposure, and environmental influences. Whether in boat building, model construction, or industrial manufacturing, additives ensure that resins, gelcoat, and composite materials can be processed reliably and achieve the required technical properties. In addition, they contribute to improving the long-term stability of laminates and floor coatings.