At Stratum Polymer, we create and manufacture custom polymer and silicone products that fit your needs perfectly. Whether you need a simple seal, a custom mold, or durable sheeting, we make products built to last in any environment.
From custom seals to flexible polymer sheets, we handle everything from start to finish to ensure the highest quality.
Durable, flat polymer sheeting in silicone, EPDM, and more. Perfect for seals, protective barriers, and custom DIY projects.
Explore SheetingCustom-shaped polymer channels, weather-stripping, tubes, and flexible seals designed to keep water, dust, and air exactly where they belong.
Explore Seals & StripsWe mold polymer into any shape you need, from simple O-rings to complex custom designs bonded to metal parts.
Explore MoldingOur team creates custom polymer mixes tailored to your specific project—whether you need it extra stretchy, heat-resistant, or super durable.
Explore Our MixesWe follow strict quality guidelines to guarantee that every batch of polymer meets high standards. From food-safe silicone to vehicle-grade polymer, we make sure our products are safe, reliable, and trackable.
Our testing lab checks every batch for strength, flexibility, and hardness so you know you are getting a product that performs.
How We Test Our QualityEvery polymer mix we create is thoroughly tested for strength, hardness, and wear. This ensures that the polymer you order behaves exactly the same way, batch after batch.
Our factory operates under certified quality guidelines. We inspect every step of the process, from checking raw ingredients to measuring final shapes with lasers before they ship.
We use specialized, clean manufacturing areas to make food-grade and medical-grade silicone seals that are safe for kitchen appliances, baby products, and medical devices.