Overview:
Our bespoke silicone dispensing valves are engineered for inverted squeeze-bottle applications that demand reliable, drip-free performance and precise single-squeeze dosing. Manufactured using silicone compression molding, these valves are produced from platinum-cured, food-grade silicone for excellent elasticity, chemical compatibility, and long-term dimensional stability. Fully OEM-capable, we offer custom slit geometries (cross-slit, single slit, Y-cut, duckbill), Shore hardness tuning, color matching, and private-label packaging to match your bottle design and product viscosity.
Key Specifications:
| Attribute | Specification |
|---|---|
| Product Name | Silicone Dispensing Valve (nominal) |
| Size | Custom |
| Material | Platinum-cured food-grade silicone (custom compounds available) |
| Manufacturing Process | Silicone compression molding (precision tooling by CNC & EDM) |
| Effective Aperture (typical) | 2.5–6.0 mm (customizable by slit profile) |
| Valve Styles | Cross-slit (X-cut), single slit, Y-cut, duckbill, membrane (custom) |
| Shore Hardness | 30–70 Shore A (standard 35–60 A for condiments) |
| Temperature Range | −40 °C to +230 °C (compound dependent) |
| Typical Life | ≥100,000 – 300,000 squeeze cycles (application dependent) |
| Leak Performance | Inverted leak test configurable 24–168 hrs per spec |
| Dimensional Tolerance | ±0.05 mm (critical features ±0.02 mm on request) |
| Surface Finish | Smooth internal flow path; matte or gloss external finish options |
| Certifications | Manufactured in ISO 9001 facility; materials FDA & LFGB compliant (certs available) |
| Sample Lead Time | 5–10 business days |
| Production Lead Time | 12–30 business days after sample/tool approval |
| MOQ | Small MOQ accepted for validation; fully scalable to bulk production |
| Packaging | Bulk, tray, blister, or custom retail packaging; serialized lot traceability |
Key Benefits:
- Zero-drip dispensing — optimized slit geometry and material hardness deliver single-squeeze dosing with minimal residual drip.
- Food-safe, durable material — platinum-cured silicone offers chemical resistance and long-term elasticity for condiment contact.
- Tailored flow control — slit profile, aperture and Shore A hardness are tuned to match viscosity and target dispensing force.
- High repeatability — compression-molded parts provide consistent dimensions and repeatable sealing performance across runs.
Manufacturing Notes:
- Tooling: Molds are machined with high precision using CNC, mirror EDM and slow-speed wire EDM to achieve tight tolerances and mirror finishes for low-flash demolding.
- Molding: Silicone compression molding with controlled charge weight, vacuum de-airing and programmed cure cycles ensures consistent vulcanization, minimal flash and accurate slit geometry.
- Post-process: Automated trimming, visual/vision inspection and optional silicone washing/passivation are applied prior to packing. Secondary assembly (overmolding, snap-fit housings) available.
Quality Assurance & Testing:
All valves are produced under an ISO 9001 quality system and go through multi-stage inspection: incoming raw material checks, in-process monitoring, and final QA. Typical test equipment and checks include CMM for dimensional verification, Shore A durometers, tensile/elongation testers, inverted leak/seal integrity testers (24–168 hrs), 3D optical projectors and vision systems for visual/geometry inspection, and thermal cycling chambers for temperature stability. Third-party FDA/LFGB material testing and batch traceability documentation are available on request.
Packaging, Supply & OEM Services:
We support flexible packaging (bulk, trays, retail blister) with lot traceability and custom labelling. Our factory provides end-to-end OEM services — DFM, rapid prototyping, mold design & build, color/hardness formulation, tool trials and scalable production. Small validation runs are accepted and processes scale to high-volume automated lines with consistent quality control.
If you’d like a tailored recommendation (slit type + Shore A) for your product viscosity and desired dispense force, or want a sample/prototype quote, share your bottle neck dimensions and product viscosity — we’ll propose the optimal valve geometry and a rapid prototyping plan.
Our Factory:
At our world-class manufacturing facility, we integrate cutting-edge technologies—including CNC machining, mirror EDM, conventional EDM, and ultra-precise slow-speed wire cutting (WC)—to achieve unparalleled accuracy in mold fabrication. Our production capacity is supported by 15 rubber compression molding presses and 2 LSR injection molding systems, enabling us to balance high efficiency with consistent, scalable output.
To ensure uncompromising quality, we deploy state-of-the-art inspection equipment such as 3D optical projectors, sealing integrity testers, Shore A durometers, and elasticity measurement systems. These tools are operated by a team of highly skilled, certified quality professionals. Every process is executed in full compliance with ISO 9001 and IATF 16949 standards, guaranteeing the production of reliable, high-performance components that meet the most demanding industry requirements.
Furthermore, we leverage automation technologies—including AutoDryers, high-speed doming systems, and precision die-cutting equipment—to streamline workflows, maintain strict dimensional tolerances, and boost throughput. These innovations not only elevate operational efficiency but also ensure exceptional product quality and performance at every stage of manufacturing.
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