NORBIN N75-021 Hardener Standard (0.5L)
Main advantage NORBIN N75-021 – these are German standards for the reliability and predictability of BASF chemical processes at the most affordable price. In the budget segment of auto repair, painters often encounter a problem when cheap third-party hardeners cause the varnish to become cloudy, boil, or sag a month after painting.
The original NORBIN standard hardener is fully insured against such defects. It is ideally balanced under the resin varnish N15-020, guarantees easy polishing of the repair area and ensures a long-lasting result. This is the best commercial solution for car services that keep strict records of costs for materials, but are not willing to risk their reputation and the quality of the work performed.
NORBIN N75-021 Hardener Standard is a universal two-component (2K) polyisocyanate hardener of standard action, developed by the world chemical leader BASF. The product is designed as a basic system component for the budget line of NORBIN materials and is intended for chemical cross-linking and polymerization of two-component acrylic varnish NORBIN N15-020 MS and a series of filler primers.
Modification N75-021 is optimized for body work at normal room temperature in a paint shop. It guarantees the painter comfortable working hours, optimal fluidity of the material and predictable drying speed for both detailed and full car body painting.
Key advantages of the model:
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Balanced drying time: Provides optimal polymerization window at temperature +20°C…+25°C, allowing the varnish to spread beautifully over the part, but at the same time dry within strictly regulated periods.
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Ideal finishing layer pouring: The standard speed of cross-linking of polymers gives the varnish the opportunity to stretch on the surface, which helps to form a neat, even shagreen without the “dry spray” effect.
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System versatility: One 500 ml bottle covers the needs of the painting area both at the priming stage (mixing fillers) and at the final varnishing stage.
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Reliable barrier strength: Forms a stable molecular structure of the finished coating, which successfully resists atmospheric loads, ultraviolet radiation and the mechanical effects of road sandblasting.
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Gloss stability: The completely transparent composition does not yellow over time and does not reduce the depth of gloss of acrylic clear varnishes.
| Parameter | Meaning/Instruction |
| Package volume | 0.5 liter (500 ml) in a metal can |
| Product type | Standard 2K hardener (Hardener Standard) |
| Recommended temperature | From +15°C to +25°C |
| Main accompanying varnish | NORBIN N15-020 MS (Acrylic clear varnish, 1l) |
| Mixing proportions | Strictly according to the TDS of the main product (for varnish – 2:1 by volume) |
| Potlife of the mixture (Potlife) | Before 2 hours at +20°C (after mixing with varnish) |
