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Our RTV - 2 (Room Temperature Vulcanizing) Liquid Silicone Rubber (LSR) with platinum curing system is a dedicated raw material for baby care nipple teats, combining REACH compliance (EU’s strict chemical regulation), infant - safe purity, and easy processing to meet the high standards of baby product manufacturers.
As an RTV - 2 formulation, this silicone eliminates the need for high - temperature molding equipment—curing fully at 25 - 30℃ (room temperature) in 4 - 6 hours (or 1 - 2 hours at 60℃ for accelerated production), reducing energy costs for small - to - medium batch manufacturing. The platinum curing system ensures zero toxic by - products and no unpleasant odor, a critical feature for baby products that come into direct contact with infants’ mouths. It has a 1:1 mix ratio (easy to measure and blend, minimizing operational errors) and excellent fluidity (viscosity: 3,500 - 4,500 cP at 25℃), which allows it to fill the fine structures of nipple teats—such as anti - colic air valves and soft suction surfaces—without leaving bubbles or gaps. Physically, it offers a baby - friendly hardness of 25 - 35 Shore A (soft enough to avoid gum irritation, yet firm enough to resist biting deformation), a tensile strength of ≥7.5 MPa (withstands repeated sucking without tearing), and a tear strength of ≥28 kN/m (enhancing product durability).
This silicone is fully REACH - approved, with all Substances of Very High Concern (SVHC) registered and compliant with EU Regulation (EC) No 1907/2006—ensuring seamless access to European baby product markets. Beyond REACH, it meets global infant safety standards: FDA 21 CFR Part 177.2600 (food contact - safe), USP Class VI (biocompatible, no cytotoxicity), and is free from BPA, phthalates, latex, and heavy metals (lead, mercury, cadmium). After 500 + cycles of boiling water or steam sterilization (common for baby nipples), it retains 98% of its original elasticity, shows no discoloration, and has no chemical leaching (extractables ≤0.08%), keeping infants safe during use.
Designed to address the unique needs of baby nipple teats, this silicone has low volatility (VOC ≤ 30 ppm), so it won’t impart strange tastes or odors to breast milk or formula—preventing infants from rejecting the teat. Its high transparency (90% + light transmittance) allows manufacturers to showcase product purity and enables parents to check for residue easily. Additionally, it adheres well to common nipple accessories (like plastic collars) without delamination, ensuring the overall integrity of the baby feeding product.
