行业组件数据 · 2026

硅胶柱塞头

Medical-grade silicone plunger tip for precise fluid delivery in syringes

技术定义与适配语境
典型 硅胶柱塞头 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A precision-engineered silicone component that forms the sealing interface between the plunger rod and syringe barrel in medical-grade polypropylene syringes. It ensures leak-proof operation, smooth movement, and accurate dosage delivery while maintaining biocompatibility with pharmaceutical formulations.

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组件规格

定义
A precision-engineered silicone component that forms the sealing interface between the plunger rod and syringe barrel in medical-grade polypropylene syringes. It ensures leak-proof operation, smooth movement, and accurate dosage delivery while maintaining biocompatibility with pharmaceutical formulations.
工作原理
Creates a dynamic seal through elastic deformation against the syringe barrel's inner wall, allowing controlled fluid displacement while preventing backflow or leakage during injection or aspiration operations.
材料
Medical-grade silicone (typically platinum-cured LSR) with hardness 40-60 Shore AUSP Class VI compliantfree from latex and animal-derived ingredients
Hardness
50±5 Shore A
Bioburden
≤ 100 CFU/g
Tear strength
≥ 30 N/mm
Surface finish
Ra ≤ 0.8 μm
Compression set
≤ 10%
Extraction limits
≤ 0.5%
Diameter tolerance
±0.05 mm
标准
ISO 7886-1ISO 10993USP <381>DIN 13097

行业分类与别名

硅胶柱塞头 的常用贸易名称、技术标识和检索关键词。

silicone plunger tipmedical syringe componentpharmaceutical sealingLSR medical partsplunger sealinjection device partsbiocompatible silicone硅胶柱塞头Silicone Plunger Tip机械和设备制造 硅胶柱塞头

上级产品

该组件会出现在以下整机或工业产品中。

医用级聚丙烯注射器
采用医用级聚丙烯制造，用于临床应用的灭菌一次性注射器。
查看产品详情 ->

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Material formulation deviation->Reduced elasticity leading to seal leakage->Implement raw material certification and batch testing per ISO 10993
Manufacturing dimensional variation->Increased friction or fluid bypass->Statistical process control with Cpk ≥ 1.33 for critical dimensions
Incompatible sterilization method->Material degradation and performance loss->Validate sterilization protocols (ETO, gamma, autoclave) for each material lot

工业生态与工程逻辑

兼容对象
Medical-grade polypropylene syringesGlass cartridge systemsAuto-injector devicesInfusion pump systems
可替换件
BD (Becton Dickinson)TerumoB. BraunNiproSmiths Medical
0
Material degradation from incompatible medications
1
Seal failure due to dimensional inaccuracies
2
Particulate generation from surface wear
3
Extractable/leachable contamination
4
Sterilization method incompatibility

合规与检测

tolerance
Dimensional tolerances per ISO 11040-4, extractables per USP <1663>, biocompatibility per ISO 10993 series
test method
Dimensional verification via optical comparators, seal integrity testing per ASTM F2391, compression set per ASTM D395, extractables analysis via HPLC/GC-MS

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采购评估维度

不是客户评论，也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例，不代表真实客户评分、具体国家买家反馈或实时询盘。

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常见问题

Why is medical-grade silicone preferred for plunger tips?

Medical-grade silicone offers superior biocompatibility, chemical resistance to pharmaceuticals, consistent elasticity for reliable sealing, and meets stringent regulatory requirements for patient safety.

How does plunger tip design affect syringe performance?

Optimal tip design minimizes friction for smooth operation, maintains seal integrity across temperature variations, prevents medication adherence, and ensures accurate dosage delivery throughout the syringe's operational life.

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CNFX Industrial Component Index · 机械和设备制造

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URN:CNFX:ME:UNIT:SILICONE_PLUNGER_TIP