FDA Approved Vertical LSR Injection Molding Machine for High Production Baby Bottle Nipples
Manufacturing baby bottle nipples and pacifiers is not merely a molding process—it is a safety-critical mission. These products go directly into an infant's mouth, are subjected to repeated boiling sterilization, and must withstand vigorous sucking or chewing for months. Parents entrust their baby's health to your brand, and regulators hold you to the strictest standards on earth.
However, many standard injection molding machines are not designed for this specific challenge. They cause:
- Inconsistent wall thickness leading to nipple collapse or leakage
- Micro-flash on the mouth-contact rim that chafes delicate skin
- Pinholes & leaks from insufficient packing pressure on thin membranes
- FDA audit failures due to improper material handling pathways
Our FDA Approved Vertical LSR Injection Molding Machine is not a generic plastics machine retrofitted for silicone. It is a purpose-built system engineered from the ground up to meet the unique material, precision, and hygiene demands of baby oral care products—and it comes with full documented traceability to help you pass regulatory inspections with confidence.
Liquid Silicone Rubber (LSR) elastomers offer numerous advantages with a wide variety of available grades including general purpose, food-grade, medical, self-adhesive, low-volatile, optically clear, and specialty grades in various durometers from very firm to very soft.
LSR materials are inherently insulating with superior heat and flame resistance, making them ideal for electrical, automotive, and industrial applications. Their natural biocompatibility and hypo-allergenic properties make them excellent for skin-contact products.
LSR maintains its original shape after numerous compressions, even in extreme temperatures, distinguishing it from other elastomeric polymers. While naturally translucent white, LSR can be pigmented in various colors.
Nearly every industry imaginable benefits from LSR and liquid injection molding for products such as:
- Seals, gaskets and thin membranes
- Insulators and cushions
- Valves and bladders
- Respiratory masks
- Syringes and IV components
- Wearable health monitoring devices
- Electronic components
- Food and beverage products
Silicone rubber is a synthetic elastomer made from silicon, oxygen, hydrogen, and carbon. It offers exceptional resistance to extreme temperatures (-60°F to 450°F) while maintaining durability and flexibility. Its strong resistance to UV light, moisture, and ozone makes it suitable for outdoor and demanding applications.
These properties make silicone rubber essential for industries requiring long-lasting, high-performance solutions. Its stability in harsh conditions ensures reliability in critical applications across automotive, energy, aerospace, and other sectors.

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