Casting Body Parts with Alginate and Fine Casting Plaster
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- Опубліковано 18 жов 2024
- Martin from East Coast Fibreglass demonstrates how to produce a highly detailed cast of 2 hands held together using alginate to make a mould, and fine casting plaster (plaster of paris) to make the cast. This is a very quick and easy project that can be completed easily in under an hour.
Excellent, excellent, excellent instruction. Thank you!
Waw! been researching this so much and your video and the comments you answered gave me everything I have been looking for to feel confident to trying this! Thank you to you and your lovely daughter💜
Lots of Caribbean Love from Trinidad and Tobago 🇹🇹
I have been casting for many years with many materials, a couple of things about this, you don't really need a pot/tube that big, you can see how thick the set Alginate was but the main thing is how the plaster was mixed, and too much, best to pour the water into the mould then out again into a bowl or tub, you then sprinkle the plaster into the water not to fast and let it settle filling till it's just below the top of the water, little islands of plaster above and let' soak for a min or 2, it won't go hard then mix it, it will be a lot smoother fewer chances of lumps or air bubbles in your cast. I would use a brush to coat the insides of the mould with the plaster before pouring the plaster again less chance of missed parts or bubbles holes in the cast. hope that helps.
mam can you plz recommend wholesale vendors for good alginate?
Mam i am new to this hand molding powder
I don't know the amount of alginate powder for 2 hands molding
Can you plz explain
How much alginate in grams to make 2 hands and how much water in liters?
Many thanks for the tips I will certainly try that procedure next time we do a cast. its always good to hear from professionals who do this on a more frequent basis. your right the container was a bit big but it was all we had at the time. 😀
Any dentist watching this in lockdown 😁
Hey mam I am checking for a long time please will you help me for this handcasting I want to do but don't know where to find this powder online ?
Me
@@divyaatul6336 dentalkart, alginate
@@nagmani7652 could you please tell what type of powder that you mixed with water and poured in that mood and how long it will take to set
I found your video very helpful. The only questions I have are, 1) How long do your hands remain in the alginate before you wiggle them out and 2) How long does it take for the plaster to dry before you can peel away the alginate? Thank you.
To answer your questions - 1) It depends mainly on how warm the water is, but it is very fast - only a minute or two, and you can tell when it has set. 2) Again, this depends on the type of plaster, room temperature etc but you can tell when it has dried as the top open part will go hard. Hope that helps! :-)
@@ecfibreglassuk so inorder to get some seconds more for alginate to harden, shud i take bit warm water or too cold water
@@manasahegde2617 good question +1
Thank you for this video, very well explained! Only one question: How long did it take for the plaster to set before removing the alginate?
The plaster sets in about 30 minutes at room temperature
100g alginate powder
How many litter water is needed?
If we can mold a hand using 100g alginate powder
how much did each bag of alginate contain?? ...I hope you can get back to me on this question, it would mean a lot as I am casting hands for my major work at school :)
Hi, the bags are 454g each
@@ecfibreglassuk can l get the lifecasting material
Great video, thank you for sharing and few questions ...... can product other then plaster of paris be used inside mould please? Also is alginate only product that you use with water, or can you add another chemical to make it reusable please to make 2 or more of same mould for family. Thankyou
Hey there, just for anyone wondering, the process cant be repeated with alginate, as soon as you used it once you can throw it out. (Technically you could also eat it, its edible)
I want to make my hands.. but I want to recast too give to family members about 6 all together. How would you recommend this?
You could use something like skin safe silicone or latex to make a more flexible mould
@@ecfibreglassuk can mould be reused then rather then cutting away please?
Finally i made it thank you for the guidance
Is it successful ?
nice. can one pour in liquid resin? also can one save the mold?
Yes resin would also work. The mould is single use. You'd need to use silicone or latex
Although i mix it within 40 seconds but it became hard and i had to waste the mold i need to cast a hand can you please help me in mixing and using exact amount of water and alginate powder
i used Alginate impression material which i bought from dental store
Where i can buy this alginate for wholesale
how much water did you used in 450 gms pack ? in liters?
Hi, for small impressions you should use a powder:water ratio of 1:1 or 1:2. For larger impressions this can be increased to 1:3 or 1:4.
How much time taken for molding mixture freeze
Which alignment you used ??
fantastic
What temperature does the water has to be?
How can make the elements?
Can we put Gold inside it
Is it the same Alginate powder used for dental purposes??
It is indeed
Wow! Thanks, Sir..
How can make the element
Is the water used cold, straight from the tap?
It can be
Hello How much grams of alginate here ? Is 500g sufficient ? Thanks ! 🙏🏼
This was a 500g bag of alginate
@@ecfibreglassuk thank you for your prompt reply !
@@jagmn3075 👍
If anyone tells me about the components of molding powder,plz
i tried thrice to mix alginate powder into water but failed can you please confirm me the exact ratio of water
For small impressions you should use a powder:water ratio of 1:1 or 1:2. For larger impressions this can be increased to 1:3 or 1:4. Water temperature will also matter, cold will take longer, hot will be faster. It will set in 3-5 minutes
@@ecfibreglassuk i have to make an adult hand impression if i have 400 grams of powder i should use 1200 ml water is that correct?
@@syedajaveria4730 yes, 1200ml of water at 1:3 ratio, 1600ml water at 1:4 ratio
@@ecfibreglassuk Thanks i will try again with tap water i hope this time it will work i will use two cups of powder and 4 cups of powder will it work for an adult single hand?
Sorry 2 cups powder and 4 cups water will it be ok for a single hand?
What kind of alginate did you use?
its just dental alginate
May I know the ratios of water:aliginate powder and water:plaster of paris?
Alginate - For small impressions you should use a powder:water ratio of 1:1 or 1:2. For larger impressions this can be increased to 1:3 or 1:4.
Fine casting plaster - Water addition ratio of 100:70 - or 1kg of plaster to 0.7 litres of water - sets in 13-20 minutes at room temperature.
@@ecfibreglassuk thanks
Can the Alginate mould be used more that once if it isn’t damaged?
Yep
Can we use sodium alginate for molding ?
The seaweed extract? Yes you can, if it's a moulding material.
@@ecfibreglassuk yes the seaweed one but i dont exactly know whthr its the molding material or not ..
@@evaasma6654 I don't think it is
which casting cement was used?
Plaster of paris I guess
Water and plaster mix ratio please
For small impressions you should use a powder:water ratio of 1:1 or 1:2. For larger impressions this can be increased to 1:3 or 1:4.
@@ecfibreglassuk Thankyou soo much sir
Pls tell me the ratio
It mentions the ratio in the video
by the time i mix it it becomes hard
Hello, in my experience using alginate (dentistry student), try using cold water to slow the setting time
I can't help but point out that you should read Ronald Reagan's autobiography. Specifically the part about his tailor....
Have you commented on the right video?!
Yep. It has to do with your unconformable shirt collar there. There's a little tailor trick/adjustment to altering the collar that he used all his life. Once it was shown to him of course. Plus it's actually a good read irregardless of one's politics..
btw, you won't hurt my feelings by deleting this comment, as it has nothing to do with the video itself. I've just had several people be so grateful for that tip over the years..
Ah ok I'll try to look it up! Thanks!
Found it
books.google.com/books?id=gP25BAAAQBAJ&pg=PA107&lpg=PA107&dq=Ronald+Reagan%27s+tip+on+shirt+collars&source=bl&ots=_aRAnkJhOO&sig=terWM0-O3P1nInMHsc6Q0VXlEX0&hl=en&sa=X&ved=0ahUKEwiGwtrmiuTXAhUGSt8KHcciB3MQ6AEIMDAB#v=onepage&q=Ronald%20Reagan's%20tip%20on%20shirt%20collars&f=false
What temperature for the water ?
Hello, try using cold water to slow the setting time