Xiamen Better Silicone Rubber Co., Ltd
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We make liquid injection molding and manufacture different kinds of liquid silicone rubber molded parts for medical device, sanitary & bathroom products, electrical products, cosmetics, automotive and machines parts etc. Our team also can offer LSR products parts moldabilities & over-molded manufacturabilities analysis or design support etc.

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Breast Pump Duckbill Valve

Breast Pump Duckbill Valve, is one kinds of duckbill check valve & one way valve with duck shaped bills & lips in aim to allow air or fluid liquid milk forward flow and also prevent backflow, which mainly made from FDA food grade liquid silicone rubber materials and molded by injection machines. Silicone Duckbill Valve is widely used in breast pump device kits by many baby care company like Ameda, medela duckbill valve, spectra duckbill valve etc.

Quantity:
  • BT-001
  • Better

Breast Pump Duckbill Valve

Breast Pump Duckbill Valve, is one kinds of duckbill check valve & one way valve with duck shaped bills & lips in aim to allow air or fluid liquid milk forward flow and also prevent backflow, which mainly made from FDA food grade liquid silicone rubber materials and molded by injection machines. Silicone Duckbill Valve is widely used in breast pump device kits by many baby care company like Ameda,  medela duckbill valve, spectra duckbill valve etc.

LSR silicone duckbill valve


Liquid Silicone Breast Pump Duckbill Valve Materials Safety: good food, water and carbon dioxide contacts

Liquid Silicone Rubber & LSR is a two-part platinum-cured silicone, which is a high-purity and non toxic materials with lower compression set, lower outgassing, high heat resistance (working temperature: -40oC ~ 230oC), good tensile strength and tear resistace. 

Breast Pump Duckbill Valve of Liquid Silicone Rubber is  a inorganic nature, which is clean, plasticizer-free, tasteless, odorless and can proof water, resist oxidation and some chemical materials like acids and alkali.

Food grade Breast Pump Duckbill Valve Features

Breast Pump Duckbill Valve of Liquid Silicone Rubber & LSR is resistant to bacteria growth and can be sterilized by steam antoclaving, ethylene oxide, gamam, e-beam etc.

Liquid Silicone Breast Pump Duckbill Check Valves can meet all food grade requirement & certifications like UPS Class VI, FDA 21 CFR 177.2600, BfR XV etc.LR 3038 40 K1 10993-11 E.PDF


LSR Duckbill Valve for Breast Pump


The difference between Liquid Silicone Duckbill Valve and Solid Silicone Duckbill Valve

  • Materials Composition: Compared with liquid silicone & LSR materials, solid silicone is less safe because materials composition is not high purity enough.

  • Molded Methods: Solid silicone molded by compression molding, which is easy to not full cured or vulcanized, and also easy to polluted by production workers, like silicone mixing and added vulcanizing agent, materials cutting, place silicone materials into mold chambers & cavities before molded, tear silicon rubber flashing.  Duckbill check valve of liquid silicone rubebr duckbill valve, which consist of glue A and glue B, which are controlled to be 1:1 ratio dosing device, and fully mixed by a static mixes and then injected into injection mold chambers & tubes. All production process is less or not polluted by workers, and also some injection molded duckbill valve is less or not silicone rubber flashing.

  • Materials Properties: Compared with liquid silicone, solid silicone duckbill valve tear resistance, tensile strength is not good enough. Solid silicone ducbill valve is easy materials loss during use, and also easy to changed into yellow color.



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