Smooth-On Cast 305 Urethane Resin (Trial Unit)
Product ID: 273889732
Details
- BrandSmooth-On
- Item formLiquid
- MaterialPlastic
- Special featuresPortable
- Specific uses for productCraft Model
⏳30 min demold time
🎨Bright white, paintable
⚖️1:1 mix ratio
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🎯 Slow down to level up your casting game!
Smooth-On Smooth-Cast 305 is a 2-pint urethane resin kit designed for professionals seeking a slower curing time with a 30-minute demold and 7-minute pot life. Its ultra-low viscosity delivers bubble-free, bright white castings that are durable, machinable, and paintable without vacuum degassing. Ideal for prototypes, sculptures, and special effects, it features a convenient 1:1 mix ratio and resists moisture and mild solvents.
| Asin | B00ZGOSTTY |
| Brand Name | Smooth-On |
| Color | Bright White |
| Compatible Material | Plastic, Metal, Wood, General-Purpose |
| Container Type | Bottle |
| Customer Reviews | 4.6 4.6 out of 5 stars (202) 4.6 out of 5 stars |
| Eu Spare Part Availability Duration | 30 Minutes |
| Full Cure Time | 30 Minutes |
| Included Components | 1 x Smooth Cast 300, 1 x Smooth Cast 500, 1 x Smooth Cast 700 |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Weight | 2 Pounds |
| Manufacturer | Smooth-On |
| Material Type | Plastic |
| Model | Smooth-Cast 305 |
| Number Of Pieces | 2 |
| Other Special Features Of The Product | Portable |
| Part Number | FBASOSC305Trial |
| Specific Uses For Product | Craft, Model |
| Tensile Strength | 21 Megapascals |
| Upc | 035239000262 |
| Viscosity Level | Low |
| Volume | 16 Fluid Ounces |
| Water Resistance Level | Water Resistant |
User
Excelente resina
Buen rendimiento y duración. Era lo esperado.
User
Mehor de lonque esperaba muy bueno
Es muy bueno
User
Item was as described
This resin worked very well for my project. The resin itself is quite sturdy after casting and was easy to measure out before casting. I highly recommend!
User
Excellent Product
I’ve used a lot of casting resins and urethanes and this is one of the best Smooth-On has to offer. I like it better than 300 (2 min pot life and 10 minute cure), as 305 has a manageable pot life of 8 minutes and a cure time of 30. These characteristics make it an ideal material if you need to produce several casts in a day, while providing adequate time to mix and pour into your molds. The plastic is bright white as advertised when cured and durable.I’m producing very small castings (4-6 grams of material at a time) and the 1-1 volume ratio is very easy to mix and follow.
User
A few bubbles, but worked great.
It works quite well if you use both a vacuum to de-gas and pressure-pot to pressurize. I still have a few bubbles float to the top or get stuck on mold features, but otherwise this is the best option I have found available on amazon.The working time is short, I only have about 3 minutes (of the 7 minutes) to get it mixed and in the mold, but not as short as the 300 version, where I only feel like I have one minute (of the 3 minutes).I did eventually switch from this to the Task 9 version to mix it with color.
Trustpilot
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