Glasurit ProClass P-R-130 Reducer, slow (5L)
Main advantage Glasurit P-R-130 – this is guaranteed protection against defects when painting large objects or in extreme heat. Trying to apply premium UHS varnish on the side of a large SUV in thirty-degree heat with a standard solvent is a huge risk of getting “fence” shagreen.
The original ProClass slow thinner gives the material the necessary time to properly distribute throughout the metal and release all the air. As a result, you get impeccable German coating quality without the need for long and exhausting final polishing.
Glasurit ProClass P-R-130 is a high-tech organic thinner with a slow evaporation rate, created for a premium line of materials ProClass. The product is designed to adjust the working viscosity and bring the new generation of transparent varnishes and filler primers to the ideal consistency.
A slow thinner keeps the applied layer of material “open” for a longer time. This is critical when painting large areas or commercial vehicles, as it avoids over-dusting at the boundaries of application areas and ensures flawless merging of layers.
Key advantages of the model:
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Indispensable for complete body repainting: The slower evaporation rate allows the painter to comfortably coat the entire vehicle in one cycle. The edge of the varnish film does not dry out too quickly, which completely eliminates the appearance of a “dry flame” and roughness at the joints of parts.
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Working in summer heat: Optimizes the painting process at elevated temperatures (from +25°C to +35°C), when standard thinners evaporate instantly, preventing the varnish or primer from spreading properly over the surface.
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Flawless flow and mirror gloss: Thanks to the prolonged tension time of the paint film, the coating forms a smooth mirror surface with a beautiful and even factory shagreen.
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Reliable protection against “boiling” and pores: The slow release of volatile substances ensures that all gases and solvent vapors freely leave even a thick layer of paintwork before its upper edge is blocked. This prevents the appearance of micropores and dull spots.
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Highest degree of purification: The product is made from elite chemical raw materials, does not contain aggressive impurities and is completely inert to the structure of polyurethane and acrylic resins of the ProClass system.
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Economical professional packaging (5 l): Large volume, providing favorable cost per liter and completely covering the needs of the body shop during the summer season.
| Parameter | Meaning/Instruction |
| Package volume | 5 liters |
| Evaporation rate | Slow/Long |
| Compatibility | Transparent varnishes and filler primers Glasurit series ProClass |
| Recommended application temperature | From +25°C to +35°C (or for large-scale body painting at +20°C) |
| Mixing proportions | Strictly in accordance with the technological map (TDS) of the main activated material |
| Purpose | Thinning to working viscosity, improving spreadability and eliminating dusting in difficult conditions |








