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🖌️ Mold your masterpiece safely and swiftly—because details matter.
Smooth-On Alja-Safe Alginate is a skin-safe, crystalline-silica free molding powder designed for fast, precise body casting. With an 8-minute pot life and 10-minute demold time, it delivers stable, high-detail molds ideal for plaster and resin reproductions. Trusted by professionals for safe, reliable, and easy-to-use performance.






| ASIN | B000KVSU60 |
| Brand | Smooth-On |
| Brand Name | Smooth-On |
| Color | Pink |
| Colour | Pink |
| Compatible Material | Plaster, Gypsum, Resin |
| Container Type | Box |
| Customer Reviews | 4.6 out of 5 stars 1,149 Reviews |
| Full Cure Time | 8 Minutes |
| Item Form | Paste, Putty |
| Item Package Quantity | 1 |
| Item Weight | 1.36 kg |
| Item form | Paste, Putty |
| Manufacturer | Smooth-On, Inc |
| Material | Alginate |
| Material Type | Alginate |
| Model | SOaljasafe3lb |
| Number of Pieces | 1 |
| Other Special Features of the Product | Non Toxic |
| Part Number | 75163586060 |
| Special features | Non Toxic |
| Specific Uses For Product | Casting |
| Specific uses for product | Casting |
| UPC | 751635296602 751635837621 |
| Unit Count | 1360.7771 Grams |
| Viscosity Level | Low to Medium |
| Volume | 3 Liters |
| Water Resistance Level | Not Water Resistant |
A**A
اكثر من ممتاز
رائع وجميل لعمل قوالب لليدين والقدمين
T**S
Shelf life of product not specified
Great product and so easy to use. Shipping time was okay. I ordered it than saw it for half the price a week later from the same company. Grrrrr. It is an excellent product even for newbies complete with full instructions website links etc. I will use this brand exclusively in the future.
I**U
Ignore the nay sayers. This product is easy and fun to use.
Great product for making molds of any thing you want. Ive used it for making molds of different lure designs and they have all come out great. I see several reviews saying the product is crap and others saying do not buy it. All I can say is that your doing it WRONG! If you use warm water, you already screwed up. The water at 80 degrees actually feels slightly cold to the touch. The warmer the water, the faster it sets up. 50/50 mixing ratio is a bit off for my liking but that's my opinion. I like to add an extra ounce or so of water to thin it down a bit which produces excellent details and pouring ability. Ive done several molds from this package including hands, feet and a face and still have some left over to play with. The trick is to find a water proof container just slightly larger than what your casting so you use less product. I use old lures melted down in an old microwave for my lures. This product hold up very well. If you cast a larger piece, you will see steaming and bubbling of the melted lures but in the end, when its cool, you still get excellent results and very few bubbles. Please, do not be put off by the negative reviews. Not every one can read and comprehend the instructions. Some people do not even try something small to see how the product works before trying the actual project. Ive yet to screw up one single project.
D**E
Awesome stuff
Worked great! Exactly what I was expecting.
S**H
Love It!
Very easy to use alginate! Included a reference chart for how much to use for each part of the body which was extremely helpful for beginners. Cure time is fast, but I slowed mine down by using slightly cold, filtered water. Picks up every tiny detail perfectly. Bought a few boxes to take multiple castings of a pregnant belly and they turned out great! As mentioned before, the chart is extremely helpful, but it doesn’t include any references for pregnant bellies, but stated a full torso would only take 1.5lbs. Since I bought extra, I decided to try 3lbs just to be safe since I was dealing with a larger belly. What a waste! Not only was it waaayyyy too much, it was too heavy & the mold didn’t turn out right due to the excess weight. Tried again only using 1.5lbs and was a perfect amount for doing a cast with both parents hands on the belly. The mother wasn’t too big compared to most pregnant women so when it came time to just do just the belly I only used a pound which was plenty. I’m very pleased with this product and will now be my go to product for future projects. Easy to use and clean up.
A**H
Great product! I will buy again
Product was delivered on time and worked as promised. I used this along with plaster bandages (ACTIVA Rigid Wrap Plaster Cloth) to make a half cast of a models face. The half cast came out perfect. The detail it captures is amazing. As a professional special makeup effects artist, I am very pleased with this product. I've never been disappointed by any Smooth-on products. Note when using this product: -The warmer the water is the faster it will set up. I like to used cold water to give me more working time. -You need to work quickly, it goes from a creamy texture to a solid before you know it. -Cover the model's eyebrows (or any facial hair they want to keep) with vaseline. It will take your hair out. -If used on the head, cover the model's head with a bald cap (it will take your hair out) -After a few hours the alginate will start to shrink and dry out, so be ready to more whatever plaster or resin in the mold as soon as possible. -Shrinkage can be fun! I got the alginate off the plaster in one piece (yeah! that doesn't always happen) and saved it by placing some very wet paper towels in the alginate so it would shrink without cracking. I checked on it every day. After a few days the face impression was about the size of my hand and slightly warped. I poured plaster into the smaller head mold. The result is a plaster cast of a slightly "S" shaped, shrunken head. It's just a fun, weird conversation piece and it totally freaked my model out (so it was worth the time). If you have extra time and extra plaster.... and you like weird stuff. :)
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