Views: 0 Author: Site Editor Publish Time: 2026-02-17 Origin: Site
Bakeware, once dominated by metal and ceramic materials, has gone through a significant transformation. With the rising demand for safe, durable, and user-friendly kitchen tools, heat cure rubber, particularly heat-cured silicone rubber, has emerged as a leading material in the food-grade bakeware industry.
Traditionally, kitchen items had to tolerate extreme temperature ranges and repetitive use—all while ensuring they wouldn't leach harmful substances into food. This is where heat cure rubber steps in to meet the challenge with impressive thermal and mechanical properties.
Before diving deep, here are the key takeaways from this article:
Heat cure rubber is a high-temperature cured silicone suitable for food-grade applications.
It offers excellent heat resistance, non-toxicity, durability, and flexibility.
It is ideal for bakeware like cake molds, muffin trays, baking mats, and spatulas.
Products made with heat-cured silicone maintain shape and performance over time.
Hefeng Silicone leads the custom production of food-grade, high-performance silicone materials.
Heat cure rubber (HCR), also known as High-Temperature Vulcanized Silicone (HTV), is a form of silicone elastomer that requires heat and pressure to be cured into its final form. It is typically processed using compression molding, transfer molding, or injection molding technologies.
Unlike liquid silicone rubber (LSR), which is processed in liquid form and cured at low temperature, HCR features higher molecular weight polymers, resulting in superior mechanical properties, such as tensile strength, tear resistance, and elongation at break.
At Hefeng Silicone, our specialty heat cure rubber formulations are designed for advanced applications, including food contact materials that meet FDA, LFGB, and REACH standards.
In bakeware, materials must endure frequent heat exposure, resist deformation, and pose no health risks. Heat-cured silicone accomplishes all this and more.
HCR silicone can withstand continuous temperatures from -60°C up to 230–250°C, and even up to 300°C in short bursts. This makes it ideal for oven-based applications without risk of melting, warping, or emitting fumes.
Food-grade heat cure rubber is inert, odorless, and free from plasticizers or other extractables. It complies with:
FDA 21 CFR 177.2600
LFGB certification for food safety
REACH and RoHS directives
Unlike traditional bakeware prone to dents or cracks, silicone formed using HCR maintains dimensional stability, rebounds easily after deformation, and offers good tear resistance.
Food releases effortlessly from HCR silicone molds, removing the need for oil or baking spray. It's easy to clean—either by hand or dishwasher—and maintains its surface quality over time.
Silicone bakeware can take on playful shapes, colors, and patterns, appealing to professional chefs and home bakers alike. Hefeng offers full OEM/ODM support to bring product ideas to life.
Manufacturing heat cure rubber bakeware combines chemistry, precision, and heat. Here’s how it works:
HCR compounds are mixed with curing additives (like peroxides or platinum catalysts) and other reinforcing fillers to achieve desired hardness, elongation, and surface texture.
Compression Molding: Material is shaped in heated steel molds under pressure.
Transfer Molding or Injection Molding: Faster processes ideal for large-scale, complex shapes.
All products undergo thorough inspections for:
Temperature stability
Surface consistency
Mechanical integrity
Food-grade compliance
Hefeng ensures strict ISO 9001-based production and testing procedures to guarantee top-notch bakeware outputs.
All of Hefeng’s heat cure rubber products for bakeware are certified and rigorously tested to meet or exceed:
FDA guidelines for food-safe silicone
LFGB (Germany) for stricter EU-level compliance
BPA-free regulation
REACH, RoHS and California Proposition 65, ensuring consumer and environmental safety
Moreover, we maintain full material traceability and supply pedigreed data sheets for each product batch.
HCR-based silicone can be used to manufacture a wide range of bakeware and culinary accessories:
Cake and bread molds
Muffin trays and cupcake forms
Non-stick baking mats
Heat-resistant handles and spatula heads
Silicone-based kitchen funnels, utensils, and gloves
These products are popular in both commercial kitchens and home baking environments for their lightweight design, flexibility, and reliable performance.
Heat cure rubber has proven itself as the go-to material for iconic bakeware products. From its safety in food contact, unparalleled thermal resistance, and ease of cleaning to its flexibility in design — it clearly outperforms traditional materials.
For businesses looking to bring world-class silicone bakeware to the market, partnering with a specialized manufacturer like Hefeng Silicone ensures both innovation and reliability at every production stage.
HCR is solid and needs high-pressure/temperature molding, while LSR is liquid and cures faster at low temperatures. HCR is preferred for higher strength and larger production runs in bakeware.
Yes. It meets FDA and LFGB standards, is BPA-free, and safe at typical oven temperatures up to 250–300°C.
