Polyester bonding paste - fiber reinforced 25 kg

Bonding paste KL 3 25 KG


In stock

Is a 2-component, transparent and glass fibre filled and pre-accelerated bonding paste based on orthophthalic polyester resinFor a fast and durable bonding of e.g. PUR, PVC, wood, stone, polyester parts and phenol foam.

Available in 25 kg packaging.

€332.74 / st


Finds its application in the bodywork sector, boat building, mouldings, etc. For fastening, filling out and radiusing of bulkheads, frames, hull connections, etc. The cured adhesive bond has good impact resistance and is resistant to moisture and most diluted chemicals.


  • The surface must always be dry and free of dust and grease. 
  •  Mix the polyester with 2-3% Mekp hardener and apply this mixture with a rubber spatula. 
  •  Can already be loaded after 2-3 hours.
  • Potlife: 18-65 min. at 20°C. 
  • Processing temperature: 18-25°C.
  • Always apply small quantities in proportion to the potlife. 
  • When gluing laminates made of LSE (low styrene emission = paraffin wax) resins and older than 24 hours, sanding is necessary to regain adhesion.
  • Hardening after 24 hours.
  • Can be accelerated with 0.5-1.5 % cobalt. 
  • Never mix cobalt directly with Mekp hardener, but separately in the resin.

Note: all polyesters can be slowed down with inhibitor.
Always provide appropriate protective clothing and gloves. Avoid prolonged skin contact. Cleaning agent for tools: cleaner M (environmentally friendly substitute for acetone). This product contains styrene and must therefore be handled in accordance with the safety regulations.

Technical specifications

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