Custom Silicone bag Manufacturer in China

Cdx is an expert in manufacturing silicone bags, delivering safe, reusable, and eco-friendly solutions trusted by global brands.

Silicone bag

A silicone bead is a small, molded piece made from food-grade or medical-grade silicone. Unlike traditional plastic or wooden beads, silicone beads are soft, safe, and durable, which makes them widely used in daily life. They are non-toxic, BPA-free, and resistant to heat, water, and wear.

Why Choose CDX Silicone Bag

Versatile Use: Suitable for food storage, travel, and daily organization—perfect for fruits, vegetables, grains, cosmetics, or personal items.
Safe & Reliable: Made from food-grade silicone, BPA-free, non-toxic, and certified by FDA and LFGB.
Easy to Use: Lightweight, foldable, and dishwasher safe; simple to seal, carry, and reuse.
Leak-Proof Performance: Excellent airtight sealing to prevent spills and keep contents fresh.

Silicone Bags Molding Process

Compression Molding

Process: Silicone raw material is placed into a heated mold cavity and shaped under high pressure.
Application: Suitable for thick, durable silicone bag bodies, commonly used for food storage.
Advantages: Stable molding, lower mold cost, ideal for medium-volume customization.

Liquid Silicone Rubber (LSR) Injection Molding

Process: Liquid silicone is injected into molds using an injection machine, then quickly cured.
Application: Best for large-scale production, especially for complex parts such as bag openings, zippers, or sealing strips.
Advantages: High precision, efficient, smooth surface finish, and highly automated.

Sheet Extrusion + Heat Sealing

Process: Silicone is extruded into sheets, then cut and heat-sealed to form bag bodies.
Application: Common for flat silicone food bags or travel storage bags.
Advantages: Suitable for larger or thinner bags, good thickness control, cost-effective for wide applications.

Overmolding & Secondary Processing

Process: Secondary injection molding applied to reinforce openings, embed zippers, or add logos.
Application: Enhances sealing performance and adds customization options.
Advantages: Improves product functionality and brand differentiation.