UP2303 Comparison
| photo | price | summary | rating |
|---|---|---|---|
 | $41.58 | Condition is New, U Pol Products SYSTEM 20 UP2303 National Rule Fast Hardener, 1 L Tin, Clear, Liq, FREE SHIPPING | 99.8% |
 | $42.89 | Condition is New, 1PC U-POL PRODUCTS UP2303 National Rule Hardener: Fast Hardener, Clear, 34o, shipping cost = $8.00 | 99.5% |
 | $55.15 | Condition is New, U-POL Products UPL-UP2303 2303 System 2030 Fast Hardener - 1 Liter, FREE SHIPPING | 98.6% |
 | $88.99 | Condition is New, U-POL UP2882 Universal Urethane Clear Coat Gallon Kit W/ UP2303 Fast Hardener, shipping cost = $6.99 | 100.0% |
 | $90.98 | Top Pick! Condition is New, U-POL UP2882 Universal Urethane Clear Coat Gallon Kit W/ UP2303 Fast Hardener, shipping cost = $4.99 | 99.9% |
 | $107.99 | Condition is New, 2K Urethane Primer HS Gallon Kit Gray DTM U-Pol UP2253 W/UP2303 Fast Hardener, shipping cost = $6.99 | 100.0% |
 | $109.98 | Condition is New, 2K Urethane Primer HS Gallon Kit GRAY DTM U-Pol UP2253 & UP2303 Fast Hardener, shipping cost = $8.99 | 99.9% |
 | $110.00 | Condition is New, U-POL UP2882 Universal Urethane Clear Coat Gallon Kit W/ UP2303 Fast Hardener, shipping cost = $87.24 | 99.4% |
| photo | price | summary | rating |
|---|---|---|---|
 | $40.00 | Top Pick! Condition is Used, UPol U Pol Hardener System 20 UP2303 Fast Hardener 1 Quart 1 liter, shipping cost = $19.60 | 100.0% |
Introducing the UP2303 National Rule Hardener by U-POL, a 34-ounce can of high-performance body filler specifically formulated to meet national regulations for vehicle repairs. This hardener is an essential additive for those working on vehicle bodywork projects that require a faster curing time or a harder final product.
The UP2303 National Rule Hardener is a two-component product that, when mixed with U-POL's body filler products, significantly reduces the curing time while increasing the final hardness of the filler. This makes it an ideal choice for professional body shops, collision repair centers, and DIY enthusiasts who demand quick turnaround times and superior results.
U-POL's National Rule Hardener is compatible with a wide range of U-POL body filler products, ensuring versatility and convenience for various repair projects. The hardener comes in a convenient 34-ounce can, offering ample quantity for multiple applications.
To use the UP2303 National Rule Hardener, simply mix it in the prescribed ratio with your chosen U-POL body filler. The exact mixing ratio can be found in the product data sheet or on the product label. Once mixed, apply the filler as you would normally, allowing it to cure according to the adjusted curing time provided by the hardener.
The UP2303 National Rule Hardener is a crucial tool for anyone working on vehicle bodywork projects, enabling faster repairs and a harder, more durable final product. With its compatibility with various U-POL body fillers and its convenient 34-ounce size, this hardener offers unmatched versatility and value for your automotive repair needs.
In summary, the UP2303 National Rule Hardener by U-POL is a powerful additive designed to help you achieve faster curing times and harder final products when working with U-POL body fillers. Its compatibility with a range of filler products and convenient 34-ounce size make it a must-have for professional body shops, collision repair centers, and DIY enthusiasts alike.
U-Pol Up2303 National Rule Hardener (34oz) - A Detailed Analysis
The U-Pol Up2303 National Rule Hardener is a popular body filling and repair product. This analysis aims to provide you with an in-depth understanding of its features, benefits, and potential drawbacks to help you make an informed decision about purchasing it.
Features:1. Fast curing time: The Up2303 hardener takes around 15 minutes to reach its full curing point.
2. Excellent bonding strength: This hardener is known for its strong bonding capabilities, making it suitable for repairing damaged body panels.
3. Wide temperature range: It can be used effectively in temperatures ranging from 50 F to 122 F (10 C to 50 C).
4. Non-sag formula: The hardener's non-sag formula ensures that it maintains a smooth surface during application.
Benefits:1. Quick repair: With its fast curing time, the Up2303 hardener enables you to complete repairs more efficiently, saving time and labor costs.
2. Durable repairs: The strong bonding strength of this hardener results in durable repairs that can withstand the test of time.
3. Versatility: Its wide temperature range and non-sag formula make it a versatile option for various body repair projects.
Drawbacks:1. Potential for shrinkage: Some users have reported shrinkage issues during the curing process, which could lead to unsightly cracks or gaps in the repaired area.
2. Odor: The Up2303 hardener has a strong odor, which may require proper ventilation during application.
Conclusion:The U-Pol Up2303 National Rule Hardener offers several benefits, such as fast curing time, excellent bonding strength, and versatility. However, it also comes with potential drawbacks like shrinkage and strong odor. Weighing these factors against your specific needs and preferences, the Up2303 hardener could be an excellent choice for those seeking efficient and durable body repair solutions.
Recommendation:If you're looking for a fast-curing, strong-bonding hardener for body repairs, the U-Pol Up2303 National Rule Hardener is definitely worth considering. However, be prepared for potential shrinkage issues and the strong odor during application. To mitigate these concerns, ensure proper ventilation and follow the manufacturer's instructions carefully.
Details:
For use with U-pol 2k primers and clear coats size: 1 liter tin color: clear ctn: 6 this is a hardener replacement hardener n/a case qty number supplied weight. Shipping on this item is free to the 48 contiguous states. See below for shipping information. Foreign duties are not included in shipping prices quoted.
Product number:upl-up2303. National rule hardener: fast hardener, clear, 34oz UPL-UP2303 brand new. Manufacturer: U-pol products.
specifications paintjosh:
- brand: U-pol Products
- mpn: Up2303
- part type: Hardener
shipping paintjosh:
- transit: 3-6 days
- service: ups ground
- type: calculated
- carrier: ups
- class: standard
returns paintjosh:
- paid by: seller
- time: 30 days
- policy: returns accepted
offer paintjosh:
- availability: in stock
- options: ship-to-home
- started: october 16, 2025
- prices: $40.00–$110.00
- item condition:
- New
- Used
- sold #: 12
general paintjosh:
- category: Auto Parts > Tools > Paints Supplies
seller paintjosh:
- # reviews: 22964
- rating: 99.5%
- city: orange, california
payments paintjosh:
- wallet: apple-pay
- credit card: diners-club
- other