How much would i need to cast a mold of a round item 2.5 inches in diameter and about 3/4 of an inch thick?

The best thing I can tell you is this. Place the item in a suitable container that you can make a mold with. Add water to give you the volume you need as if you were making the mold. Pour the water into the same type of measuring container you would use to measure the compound with. Jot down the amount, or mark it on your container. That should give you an approximate amount of mold maker you should use. Always make a small amount extra, just in case.

Can this product be used to make wedding bands?

For small items like rings and other jewelry, always get 30A silicone for the mold, you could also do 20A just dont make the mold too thin. . This is 15A I believe.

Can these molds be used in an oven? I assume the silicone is not food grade but I'm thinking of using those with oven bake clay

I use my torch on them that is the only heat I've used on my molds.

Is this tin-cure or platinum cure silicone?

Most 1:1 silicone mixes are platinum cure, although I don't know with certainty with this product. I have successfully applied heat to accelerate curing (works only with platinum cure); moisture had no effect (works only with tin cure). So this is *probably* platinum cure.

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Silicone Mold Making Kit - Liquid Silicone Rubber 15A Platinum Silicone - Translucent - 7 oz

Silicone Mold Making Kit - Liquid Silicone Rubber 15A Platinum Silicone - Translucent - 7 oz

Product ID: 262614425

Details

Brand
Miraclekoo
Colour
clear
Item dimensions L x W x H
12.5 x 8 x 4
Material
Platinum
Shape
custom

⏳4-6 hrs room temp cure time

💨Self-debubbling tech, no vacuum needed

⚖️1:1 mix ratio for perfect curing

Description

🛠️ Mold your masterpiece with zero hassle and total clarity!

BUBBLE FREE PERFECTION - Innovative self-debubbling technology eliminates air bubbles within 2 hours—no extra tools required.
SAFE ODORLESS FORMULA - Non-toxic, platinum silicone ensures a flexible, soft, and transparent mold every time.
OPTIMIZED CURING CONTROL - Adjust cure speed with temperature tweaks for flawless results tailored to your project size.
VERSATILE CREATIVE FREEDOM - Ideal for resin, wax, candle, soap, and casting molds—expand your DIY horizons.
EFFORTLESS PRECISION MIXING - Simple 1:1 weight ratio means no guesswork—just pour, stir, and create.

The Miraclekoo Silicone Mold Making Kit features a 7 oz platinum silicone rubber with a precise 1:1 mixing ratio, self-debubbling technology, and a flexible, odorless, translucent formula. It cures in 4-6 hours at room temperature without vacuum degassing, making it perfect for professional-quality resin, wax, candle, and soap molds. Designed for ease and safety, this kit empowers creators to produce flawless molds with minimal effort.

Specifications

ASIN	B07XKBJWKH
Brand	Miraclekoo
Brand Name	Miraclekoo
Color	clear
Colour	clear
Item Dimensions	12.5 x 8 x 4 centimeters
Item Type Name	Liquid Silicone Rubber
Item dimensions L x W x H	12.5 x 8 x 4 centimeters
Manufacturer	Miraclekoo
Manufacturer Part Number	MCSRSMMKLMM
Material	Platinum silicone
Material Type	Platinum silicone
Model Number	MCSRSMMKLMM
Number of Pieces	1
Number of pieces	1
Shape	custom
Unit Count	1 Count

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