Discover top liquid silicone rubber mold making kits ideal for resin, wax, and crafty molds. These platinum-cured, non-toxic silicones offer easy mixing, fast curing, and reliable detail replication. Below are five highly relevant options with varying working times and cure speeds to fit your project scale and experience level.
| Product | Brand | Mix Ratio | Hardness | Approx. Cure Time |
|---|---|---|---|---|
| LET’S RESIN Silicone Mold Making Kit-Translucent | LET’S RESIN | 1:1 by weight | Flexible | 4 hours (varies by mold) |
| BBDINO Silicone Mold Making Kit, 38.8 Oz | BBDINO | 1:1 by volume/weight | Medium | 3–5 hours |
| BBDINO Super Soft 00-30 Liquid Silicone | BBDINO | 1:1 by weight/volume | 00-30 (extra soft) | Room temp cure |
| LET’S RESIN Silicone Mold Making Kit 72oz, 20A | LET’S RESIN | 1:1 by weight | Shore 20A | 12 hours total (varies) |
| Silicone Mold Making Kit (DecorRom) | DecorRom | 1:1 | Flexible | Up to 12 hours |
These kits cover a range of formulations, from ultra-flexible to more durable silicones, and include varying accessory kits to help with mixing, degassing, and demolding. Use the table to compare working times, cure times, and hardness at a glance, then dive into each product for specifics that match your project timeline and mold precision needs.
LET’S RESIN Silicone Mold Making Kit-Translucent
Premium Mold Making Silicone Material: Translucent, platinum-cured silicone that is non-toxic with no odor. Flexible, soft, and clear, enabling easy color customization with mica powder for varied molds. This kit emphasizes safety for skin contact and simplicity for beginners and pros alike.
Easy Mixing & Pouring: Part A and Part B mix 1:1 by weight. After combining, stir for about 5 minutes to ensure a thorough blend. Working time at room temp is approximately 5 minutes, supporting quick iterations on mold details.
No Bubbles: The formula reduces bubble formation without needing a vacuum chamber. Cure total is about 4 hours at room temperature, though larger or thicker molds may require longer. If a touch of tack remains, extending cure time helps achieve a smooth finish.
BBDINO Silicone Mold Making Kit
1:1 by Volume or Weight: The kit offers flexible mixing options with two bottles and a complete accessory set, supporting a variety of craft projects. It is designed for beginners and experienced mold makers alike, with a user manual included.
Self-Degassing & No Vacuum Chamber: Low-viscosity silicone flows easily and bubbles rise naturally, enabling simple demolding without special equipment. This reduces setup time and simplifies workflow for resin, jewelry, or casting projects.
Working Time & Cure: About 30 minutes of working time at room temperature, with a full cure in roughly 3–5 hours at standard conditions. Higher heat can shorten cure duration, though vacuum or pressure equipment may be needed for rapid results.
BBDINO Super Soft Silicone 00-30
Super Soft & Strong & Stretchy: This addition-cure silicone with hardness 00-30 yields a very soft yet durable rubber that can stretch many times its size without tearing and recovers its shape after deformation. This makes it suitable for lifelike silicone props and dolls.
Multifunctional Applications: Ideal for making reborn dolls, prosthetics, orthotics cushioning, and special effects. The material’s flexibility supports complex creases and natural skin-like textures in 3D projects.
Simple 1:1 Mixing: By weight or volume, the kit remains beginner-friendly. Room-temperature curing with low shrinkage helps maintain dimensional accuracy across mold generations.
LET’S RESIN Silicone Mold Making Kit 72oz
Premium Platinum-Cured Silicone: Safe, non-toxic, low-odor platinum silicone suitable for skin contact. The kit supports versatile mold production for crafts and professional studios, with the option to tint using mica powder for color customization.
Easy Demold & High Durability: Shore 20A hardness yields a balance between elasticity and durability, supporting repeated demolding and long mold life. High flexibility minimizes deformation during release while maintaining detail fidelity.
No Bubbles & Precise Replication: Self-defoaming capability promotes a smooth surface and detailed replication, making it suitable for intricate resin molds and multi-part molds where fine texture matters.
DecorRom Silicone Mold Making Kit
Premium, Safe Silicone: Liquid silicone rubber with safe, non-toxic composition and no strong odor. The 1:1 mix ratio simplifies preparation, making it accessible for hobbyists and professional makers alike.
Easy Mixing & Quick Degassing: Thorough stirring for uniform blending, coupled with self-degassing features to minimize voids. Cure time of up to 12 hours at room temperature ensures stable molds with good surface finish.
Versatile for Crafts: Suitable for resin molds, jewelry making, and other DIY projects. The kit is designed for beginners yet robust enough for more demanding mold-making tasks.
Buying Guide: Key Purchase Considerations
- Mixing ratio and working time: Most kits use a 1:1 ratio, but working times vary from 5 minutes to 30 minutes. Consider your project size and whether you need more open time for detailed molds or faster turnover for larger runs.
- Hardness and flexibility: Hardness ranges from very soft to stout. Softer silicones (low Shore values) are easier to demold from delicate parts but may wear faster; harder formulations offer structural rigidity for repeated use.
- Cure conditions and temperature: Room-temperature cures simplify setups, but some kits benefit from heat or vacuum to speed curing and reduce bubbles. Ensure you have compatible equipment if you plan to accelerate cure.
- Bubble management: Self-degassing features reduce or eliminate bubbles. If you do not have a degassing chamber, choose formulations designed to minimize air voids during mixing.
- Color customization: Many kits allow mica powder or colorants to tint the silicone. If you plan to create color-coded molds, verify compatibility and pigment load recommendations.
- Accessory inclusions: Some kits include gloves, sticks, edge trims, and manuals. A complete starter kit with tools helps streamline first projects.
- Intended use: Check whether the silicone is skin-safe for direct contact or ideal for molds used for resin, wax, or cosmetic-like casting. Skin-contact safe options are preferable for hobbyists crafting dolls or prosthetics.
- Scale and yield: Larger kits (e.g., 72 oz or 38.8 oz) suit batch molding or full project lines, while smaller kits fit quick tests or single molds. Estimate your total mold surface area to gauge quantity needs.
When selecting a liquid silicone rubber mold making kit, evaluate your project scope, available tools, and required mold life. The options above provide varying balances of ease of use, cure speed, and mold performance to accommodate beginners and seasoned mold makers alike.