Choosing the right silicone mold making kit can influence the detail, flexibility, and durability of your resin, candle, soap, or jewelry molds. The following five kits represent a range of volumes, silicone hardness, and cure times, designed to suit beginners and seasoned crafters alike. Each kit uses platinum-cured silicone for improved elasticity and sharp detail replication. From compact trial kits to large-volume sets, these options provide reliable demolding and long-lasting molds. The table below highlights key specs to help you compare at a glance.
| Product | Brand | Total Volume | Hardness | Highlights |
|---|---|---|---|---|
| CHANGTIKEJI 84oz Kit | CHANGTIKEJI | 84.6oz | 10A | 2 bottles (42.3oz each); mica powder; fast cure |
| LET’S RESIN 20.46oz Kit | LET’S RESIN | 20.46oz | — | Platinum-cured; 1:1 mix; 5-min working time; no-vacuum needed |
| SHORE RESIN 66oz Kit | SHORE RESIN | 66oz | 15A | 1:1 mix; durable; large volume for multiple molds |
| LET’S RESIN 8oz Trial Kit | LET’S RESIN | 8oz | — | All-in-one starter; 30–40 min working; 3–6h cure; accessory set |
| BBDINO 21.16oz Kit | BBDINO | 21.16oz | — | 1:1 by volume; low viscosity; 30 min work; 4h cure |
CHANGTIKEJI 84oz Kit
The CHANGTIKEJI 84oz kit is built around two platinum-cured liquid silicone bottles, each containing about 42.3 ounces, totaling 84.6 ounces of mold-making material. The silicone hardness is rated at 10A, which provides high flexibility and detailed replication for both 3D silicone molds and flat resin molds. The kit also includes six bags of mica powder, ten wooden mixing sticks, and ten disposable gloves, making it suitable for beginners who want a complete starter package. The mix ratio is 1:1 by weight, with a working time near 40 minutes and a cure window of 2–4 hours at typical room temperatures. As curing proceeds, demolding remains straightforward thanks to the material’s elasticity.
Practical considerations include working in a well-ventilated area and maintaining consistent room temperature to avoid slower or uneven cures. Because this kit yields substantial volume, it is especially well-suited for larger projects, resin pours with deep molds, or multiple items in one casting session. The mica powder adds an option to customize molds with color or shimmer. Given its generous volume and beginner-friendly setup, this kit is a strong choice for ongoing mold-making projects.
LET’S RESIN 20.46oz Kit
This kit centers on platinum-cured silicone that delivers soft, clear flexibility for precise mold detail capture. With a total of about 20.46 ounces, it supports multiple small to medium molds. The mix ratio is 1:1 by weight, and the working time is approximately 5 minutes at room temperature. The complete cure typically occurs around 4 hours, though larger molds may require longer. A notable feature is the absence of bubbles in the final material, as the formula permits bubble dissipation within about two hours without vacuum degassing. The formula is non-toxic and odor-minimized, making it friendly for indoor projects.
Ideal for 3D molds and flat molds alike, this kit also allows color customization by mixing mica powder into the silicone. For beginners, the shorter working time means quick testing and iteration, while more experienced users can layer molds and test complex shapes. Given its clear, flexible silicone and user-friendly process, it serves well as a mid-sized, reliable option for hobbyists and small studios.
SHORE RESIN 66oz Kit
The SHORE RESIN offering provides a large 66-ounce total volume with a 15A hardness, suitable for users needing a tougher yet still flexible mold. The kit uses a 1:1 mix by weight, simplifying the preparation steps and reducing measuring errors. The medium-high hardness helps molds resist tearing during repeated use, especially when casting resin, jewelry pieces, or small crafts. The 66-ounce capacity supports multiple molds or one large mold, making it an attractive option for hobbyists who plan to produce more items over time.
Users should note that while the packaging emphasizes premium platinum silicone, the absence of a dedicated curing time in the short product blurb means following standard room-temperature cues is prudent. Working at a comfortable temperature ensures consistent curing efficiency. This kit is well-suited for crafters who want durable, long-lasting molds capable of withstanding repeated use in resin or crafts projects, while still offering enough elasticity to ease demolding.
LET’S RESIN 8oz Trial Kit
This starter kit from LET’S RESIN is designed as an all-in-one introduction. It includes 8 ounces of silicone rubber, two stirring sticks, two measuring cups, and disposable gloves. The kit is ideal for beginners testing the waters of mold making. The silicone is platinum-cured, non-toxic, and low-odor, with minimal shrinkage and excellent flexibility for stable, tear-resistant molds. Working time runs about 30–40 minutes at room temperature, with a full cure range of 3–6 hours. The low viscosity helps reduce air bubbles, and the kit allows quick experiments before committing to larger volumes.
Because this package emphasizes ease and practicality, it is especially attractive for hobbyists or educators seeking a hands-on, value-driven option. It supports rapid prototyping of resin casts, silicone molds, or mixed-media projects. While not offering the same long-term volume as larger kits, it provides an accessible path to learn the technique and gauge mold quality before scaling up.
BBDINO 21.16oz Kit
The BBDINO 21.16oz kit provides a total of 21.16 ounces across two 10.58-ounce bottles, with a straightforward 1:1 mix by volume. The formula emphasizes low viscosity for easy mixing and pouring, along with self-degassing characteristics that reduce the need for vacuum equipment. The kit’s working time is about 30 minutes and the cure time is around 4 hours at room temperature (25°C/77°F). It is suitable for creating both 3D silicone molds and flat molds, making it versatile for resin, plaster, wax, or jewelry projects. A Jade Green variant adds color options without complicating the process.
Users should consider the practical aspects: the kit’s two-bottle design minimizes storage complexity, and the silicone’s strength supports repeated use with minimal shrinkage. The lack of required degassing simplifies setup for beginners, while the 1:1 ratio keeps the process intuitive. This kit is a cost-effective option for ongoing mold-making tasks that demand reliable molding performance and straightforward operation.
Buying Guide
Volume And Kit Contents
- Choose a volume that matches your typical project size. Large-volume kits are cost-efficient for frequent or big molds, while smaller kits suit beginners or small-batch work.
- Look for kits that include accessories (gloves, sticks, measuring cups, mica powders) to reduce extra purchases.
- Two-bottle systems with 1:1 ratios are the simplest to manage and minimize measurement errors.
Hardness And Flexibility
- 10A to 15A silicone provides more flexibility and easier demolding of delicate or detailed parts.
- Higher hardness (around 30A) yields stiffer molds that resist tearing during repeated use but may be harder to demold intricate shapes.
- For resin casts and detailed designs, a softer to medium-hardness range (10A–15A) is often a good balance.
Working Time And Cure Time
- Working time ranges from about 5 minutes to 40 minutes; plan your mold complexity around this window.
- Cure times commonly span 2–6 hours at room temperature, with heat often shortening the cure for larger pieces.
- Consider your environment: high ambient temperatures shorten cure times, while cold spaces lengthen them.
Safety, Odor, And Purity
- Platinum-cured silicones tend to be low-odor and non-toxic, making indoor use safer.
- Check for food-grade certifications if you plan to use molds for edible items or consumer goods.
- Avoid products with harsh chemical smells when working in small spaces or around pets and children.
Compatibility And Applications
- Most kits are suitable for casting resin, plaster, wax, candles, and jewelry; verify each kit’s compatibility with your intended material.
- Consider whether you need 3D mold capability or primarily flat molds for batches of items.
- Color options or mica powder compatibility can help you color molds or castings creatively.
Price, Value, And Long-Term Use
- Evaluate cost per ounce to gauge long-term value, especially when planning multiple molds.
- More substantial kits often reduce per-project costs, but ensure you will use the volume.
- Look for kits with durability for repeated use, as long-term savings come from mold longevity.
Storage And Shelf Life
- Store silicone in a cool, dry place away from direct sunlight to preserve elasticity and prevent premature curing.
- Seal containers tightly to avoid moisture uptake, which can affect viscosity and cure behavior.