Face Casting with Alja-Safe® Crystalline Silica-Free Alginate
Alja-Safe® Crystalline Silice-Free Alginate is suitable for making temporary molds of the face, hands and other body parts.
What Sets Alja-Safe® Apart?
In addition to being specifically designed for making body molds, Alja-Safe® alginate does not contain free crystalline silica, a known carcinogen. Alja-Safe® is easy to use and cures quickly. It reproduces fine detail and makes excellent temporary molds.
You can then cast plaster, duoMatrix® NEO (polymer modified gypsum), or Smooth-Cast® 300Q ultra-fast urethane resin into the mold to make a reproduction.
1 - Hair is prepared using water-based hair gel.
2 - Eyebrows are also prepared with water-based hair gel.
3 - Model is ready to be molded.
4 - Alja-Safe® alginate and water measured out. Slightly less water than alginate will make Alja-Safe® thicker in consistency.
5 - Water is poured into the mixing container first.
6 - Alja-Safe® alginate is added into the water.
7 - For best results, mix components while adding powder into water.
8 - Using a Squirrel mixer attached to a power drill helps to blend a large batch of alginate consistently and fast.
9 - When Alja-Safe® alginate is thoroughly mixed, it can be applied to the model.
10 - Alginate is applied from the top down.
11 - Alja-Safe® remains workable for about 8 minutes giving you time to work into all detail areas.
12 - More alginate is added until mold sufficiently thick (at least 1/2'' / 1.27 cm).
13 - Face covered with Alja-Safe® alginate. At this point, no more alginate is needed. Note the holes in the nose - so the model can breath.
14 - Salt is added in to warm tap water (80° F / 27° C) to accelerate dry time of plaster bandage.
15 - Plaster bandages are dipped in water to activate.
16 - Excess water is squeezed out of the plaster bandages.
17 - The plaster bandages are then applied directly onto the alginate.
18 - The edge of the support shell is created first around the perimeter of the alginate mold.
19 - Plaster bandages will 'meld' into itself.
20 - The entire alginate surface area needs to be covered by the plaster bandages to ensure proper support.
21 - The exterior of the plaster support shell is smoothed out while the bandages are still moist.
22 - Small piece of plaster bandage used to create nose support.
23 - Plaster bandage support shell completed.
24 - Begin the demolding process with the mold leaning forward.
25 - Running a finger on the inside perimeter of the alginate mold will help to loosen it from the face.
26 - The alginate will separate from the face very easily.
27 - The alginate is supported by the plaster shell to prevent any tears from occuring.
28 - Before the mold can be cast into, the breathing holes in the nose must be sealed off. A small amount of Alja-Safe® is mixed up and applied.
29 - Attention is paid to filling in the nose holes without creating any new detail in the mold.
30 - A tongue depressor stick is used to smooth out the alginate.
31 - The finished Alja-Safe® alginate mold with plaster bandage support shell.
32 - duoMatrix® NEO polymer-modified gypsum measured 2 Parts A : 1 Part B by Volume will be used to make a casting from the mold.
33 - The duoMatrix® NEO liquid is poured into the mixing container first, followed by the powder.
34 - A Squirrel Mixer attached to a power drill is used to mix the batch of duoMatrix® NEO thoroughly and fast.
35 - The duoMatrix® NEO is cast into the mold after being thoroughly mixed.
36 - After 60 minutes, the duoMatrix® NEO casting is ready to be demolded. The first step in this demolding is to remove the support shell first.
37 - The Alja-Safe® alginate mold is then carefully removed from the casting.
38 - The model with the exact replica casting of his face.