Firstly, you should know tin is “tin cure silicone” and platinum is “Platinum Cure Silicone”.If you choose the wrong one it could mess up your costly master beyond repair by not curing against the substrate material and remaining sticky no matter what you do.
Silicone for Concrete/Cement/Stone Moldmaking
Choosing Tin or Platinum Cure RTV Silicone When Making Molds
PLATINUM CURE SILICONE FOR DIFFERENT MOLDS MAKING – SIMOST silicone
Ditto® Quik-Set RTV2 Silicone Rubber Mold Compound - Rio Grande
Difference Between Tin-Cure and Platinum-Cure Silicone Rubber Mold Making
What's the best silicone for mould making?
RTV Silicone Rubber - Super Silicon
Creating Silicone for Epoxy Molds Using the Glowforge Laser
PREMIUM QUALITY SILICONE RUBBER: Cast-A-Mold 25T is a tin cured room-temperature-vulcanizing (RTV) silicone casting rubber. You can use it to create
Specialty Resin & Chemical Cast-A-Mold 25T RTV (1/2 Gallon) | 2-Part Liquid Silicone Mold Making Kit | Rubber Molding Compound for Casting Epoxy
DIY candle Molds: Creating Silicone Molds for Candle Making
Tin Vs. Platinum Cure Silicone Rubber Comparing Condensation and Addition Silicones
Platinum Silicone Rubber for Prototyping, Food Grade Silicone Rubber, RTV-2 Silicone Rubber for Prototyping
Making a silicone mask 2: Engineering the mold – Morganica
Can you use a silicone mold in the steamer? - Quora