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Silicone rubber molding for automotive

How to Choose the Right Silicone for Your OEM Product

How to Choose the Right Silicone for Your OEM Product

Material selection is one of the most important decisions in silicone OEM manufacturing. Whether you're designing a wearable, kitchenware, or medical component, the right silicone affects durability, safety, and production costs.


H2: Overview of Silicone Types Used in OEM Projects

  • HTV Silicone (High-Temperature Vulcanized)

    • Solid form; used in compression or transfer molding

    • Great for large products or simple shapes

  • LSR (Liquid Silicone Rubber)

    • Injection molded; high precision

    • Ideal for medical and baby care industries

  • Silicone Foam

    • Lightweight and soft

    • Used in cushioning, insulation, gaskets


H2: Key Factors to Consider

  • 🛠️ Product Function: Is it for sealing, touch, or medical contact?

  • 🔥 Temperature Range: Will it face high heat or cold?

  • 👶 Compliance: Does it need to be FDA, LFGB, or ROHS certified?

  • 🧩 Production Method: Injection or compression molding?


H2: Application-Based Recommendations

Application Best Material
Medical tubing LSR
Kitchenware HTV
Cushion seals Silicone foam
Phone cases HTV or LSR
Wearables LSR

H2: Mistakes to Avoid

  • ❌ Choosing HTV for high-precision parts

  • ❌ Ignoring certification needs (FDA, REACH)

  • ❌ Underestimating tooling differences


H2: Get Help From a Silicone Expert

At WH Silicone, we help clients select the right silicone based on your product function, environment, and compliance needs. Our engineers provide free material consulting and prototyping for OEM orders.

Guide to Liquid Silicone Rubber (LSR): Benefits, Uses & OEM Tips

Guide to Liquid Silicone Rubber (LSR): Benefits, Uses & OEM Tips

Guide to Liquid Silicone Rubber (LSR): Benefits, Uses & OEM Tips

Liquid Silicone Rubber (LSR) is a two-part platinum-cured silicone with excellent flexibility, heat resistance, and biocompatibility. It has become the top choice in medical, baby, and electronic silicone OEM applications.


What is Liquid Silicone Rubber (LSR)?

LSR is a low-viscosity silicone that cures quickly at high temperatures in an injection mold. Unlike solid HTV (High-Temperature Vulcanized) silicone, LSR offers superior precision for complex or small parts.


Key Benefits of LSR in OEM Manufacturing

  • 🔹 High Precision: Perfect for complex geometries and micro parts.

  • 🔹 Heat & Chemical Resistance: Withstands -50°C to 250°C and resists chemicals.

  • 🔹 Medical-Grade Compatible: Biocompatible and FDA-approved.

  • 🔹 Efficient Production: Fast curing speeds up mass production.

  • 🔹 Durability: Long product lifespan, non-yellowing, UV resistant.


Common Applications of LSR

  • 👶 Baby nipples & pacifiers

  • 💉 Medical seals & valves

  • 📱 Electronics keypads & waterproof gaskets

  • 🧼 Kitchenware and soft grips


OEM Tips for LSR Projects

  • ✅ Use precision steel molds with fine venting.

  • ✅ Plan for flash removal in post-processing.

  • ✅ Partner with experienced silicone mold experts like WH Silicone.

  • ✅ Ideal for automated production—design with injection gates in mind.


LSR vs. HTV Silicone

Feature LSR HTV
Viscosity Low High
Processing Injection mold Compression mold
Precision Higher Moderate
Cost Higher tooling cost Lower tooling
Output Volume High Medium

Why Choose WH Silicone for Your LSR OEM Needs?

At WH Silicone, we offer full-cycle LSR production — from mold development to precision injection molding in ISO-certified environments. Whether you need medical, baby, or consumer-grade silicone parts, we bring 10+ years of expertise in custom LSR production.