Glasurit 523-15 Racing Additive (1L)
Main advantage Glasurit 523-15 is a controlled increase in the throughput of a car service center. Time is the most expensive resource in auto body repair. This accelerator allows you to shorten the cycle of a car being in the chamber, reduce the cost of diesel fuel or electricity for drying, and deliver the finished car to the client on the day of call. This is a professional German tool for stations aimed at maximum speed and uncompromising technology.
Glasurit 523-15 is a professional premium drying accelerator (express activator) developed by BASF. The product is intended for addition to standard Glasurit two-component clearcoats (both VOC compliant and non-VOC compliant), acrylic enamels 22 Line / 22 Line VOC, as well as the popular series of filler primers 285-HS.
The additive chemically intensifies the process of intermolecular cross-linking of polymers. This allows you to radically reduce the drying time of paintwork materials both at natural temperature (+20°C) and during a forced cycle in a paint-drying chamber (+60°C) or under IR lamps, without compromising the shine and strength of the finish coating.
Key advantages of the model:
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Enormous time savings (Racing Effect): Reduces complete drying time in the chamber at +60°C to just 10–20 minutes (depending on the varnish), allowing you to quickly free up painting space for the next car.
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Quick set of mounting strength: Significantly improves surface drying and touch hardness. Coverage is quickly acquired Tape Resistance, which is critical for performing complex multi-color work and masking.
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Ideal for local repairs and express processes: Optimizes Spot Repair technology. Allows you to transfer painted elements for assembly and final polishing many times faster.
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Working in cool conditions: Compensates for slow curing of materials at preparation stations during the off-season or when the workshop is ineffectively heated.
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Preservation of premium gloss: Unlike artisanal methods of accelerating drying, the original Glasurit 523-15 additive does not cause shrinkage, loss of gloss, clouding or cracking of the varnish film.
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Convenient dosage (1 l): Since the product is introduced instead of the standard thinner in small proportions, a liter jar is enough for a large volume of repair operations.
| Parameter | Meaning/Instruction |
| Package volume | 1 liter |
| Product type | Drying accelerator / Express additive (Racing Additive) |
| Compatibility | Varnish 923-115 (and other standard varnishes), enamels 22 Series, primers 285-HS |
| Functional role | Replaces the standard thinner in the mixture |
| Viscosity of the finished mixture | 16–22 seconds according to DIN 4 at +20°C |








