Model No.: HWSV22
Outer Diameter: 9.93mm
Cross Slit Size: 1.27*1.27mm
Application: Liquid Foundation
MOQ: 50,000pcs/ lot
Product Type: Customized
NBR valves are manufactured from high-quality eco-friendly nitrile butadiene rubber (NBR) materials specially developed for liquid dispensing and sealing applications. Compared with many conventional rubber materials, NBR offers an excellent balance of oil resistance, chemical resistance, elasticity, and cost performance, making it a popular choice for cosmetic and industrial valve applications.
The valve provides excellent resistance to oils, cosmetic ingredients, and chemical substances, making it especially suitable for liquid foundation packaging and other oil-based cosmetic formulations. The NBR material helps maintain stable sealing performance while preventing leakage, swelling, or material degradation during long-term use.
Designed for controlled liquid dispensing, the valve can achieve stable and consistent quantitative extrusion performance. Its flexible rubber structure allows smooth liquid output while maintaining reliable resealing capability after dispensing. This helps improve user experience and product cleanliness in cosmetic packaging systems.
Compared with fluorosilicone valves, NBR valves provide a highly cost-effective solution while still maintaining good sealing reliability and material performance. For applications requiring balanced performance and economical production cost, NBR rubber valves are an ideal option.
The valve adopts an ultra-precision cross slit structure measuring only 1.27 × 1.27mm. Such a small slit size requires extremely accurate punching tooling and strict manufacturing control. The slit precision directly affects valve opening force, dispensing consistency, and sealing functionality.
To ensure stable valve performance, HOPEWELL applies specialized slit processing technology to prevent slit re-adhesion after punching. This special manufacturing process helps maintain stable opening performance, smooth dispensing behavior, and long-term sealing reliability throughout repeated usage cycles.
Produced through precision heat press molding processes, the valves offer stable dimensions, excellent elasticity, and consistent quality performance. HOPEWELL specializes in manufacturing high-precision silicone and rubber valves with strict process control and supports customized valve development according to customer packaging structures and application requirements.
Item Name | NBR Valves |
Material | NBR Rubber |
Process | Heat Press Molding |
Color | Black |
Hardness | 50 Shore A |
Outer Diameter | 9.93mm |
Height | 1.27*1.27mm |
Application | Liquid Foundation |
Liquid Foundation Packaging:
NBR valves are widely used in liquid foundation bottles and cosmetic dispensing systems requiring controlled liquid output and reliable leak prevention.
Cosmetic Dispensing Systems:
The valve is suitable for cosmetic packaging applications involving creams, lotions, liquid makeup, and oil-based beauty products requiring smooth dispensing performance.
Personal Care Products:
Due to its oil resistance and sealing capability, the valve can be applied in skincare products, beauty applicators, and personal care dispensing components.
Industrial Fluid Dispensing:
NBR rubber valves can also be used in industrial fluid control applications involving oils, lubricants, and chemical liquids requiring stable sealing performance.
Custom Rubber Valve Applications:
HOPEWELL supports customized NBR valve solutions for special dispensing systems, packaging structures, and fluid control requirements.
An NBR valve is a precision rubber dispensing valve manufactured from nitrile butadiene rubber material with excellent oil resistance, chemical resistance, and sealing performance.
NBR rubber offers good oil resistance, chemical resistance, elasticity, weather resistance, and cost performance, making it suitable for cosmetic and industrial sealing applications.
NBR valves are widely used in liquid foundation bottles, cosmetic packaging systems, skincare products, and oil-based liquid dispensing applications.
The slit structure directly affects dispensing consistency, opening pressure, and sealing capability. Ultra-small precision slits require highly accurate tooling and stable manufacturing processes.
Yes. NBR valves provide very good cost performance while still maintaining reliable sealing and dispensing capability for many cosmetic and fluid control applications.
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