I. Applications of PVDF Precision Components in Anti-Corrosion Instruments & Industrial Sensors

一、PVDF 精密零組件於防腐儀器與工業感測器之應用

(I) Complete PVDF Accessories for Anti-Corrosion Level Gauges 防腐液位計專用全系列 PVDF 零配件

1. PVDF Probe RodsAvailable in rigid solid rods, hollow sleeve rods and flexible extended rods. They are core components of magnetostrictive level transmitters, submersible level transmitters and guided wave radar level meters. As float guides and measuring carriers for liquid depth, they remain dimensionally stable under thermal cycling after long-term immersion in hydrofluoric acid, 98% concentrated sulfuric acid and high-temperature mixed etching acids, ensuring consistent liquid level measuring accuracy.
   提供實心硬桿、中空套管桿、可彎延伸桿三種款式，為磁致伸縮液位傳送器、投入式液位變送器、導波雷達液位計之核心零件。做為浮球導向件與液位量測載體，長期浸泡於氫氟酸、98% 濃硫酸、高溫混合蝕刻酸液並經溫度循環變化後，尺寸仍維持穩定，確保液位量測精準度一致。

   
   

2. PVDF Cable GlandsSpecial sealing and compression fittings for instrument cable outlets. They lock sensor signal cables, block acid/alkali vapors and corrosive liquids from invading the electrical cavity, preventing circuit board short circuits and signal deviation. It achieves IP68-rated anti-corrosion and waterproof performance.

   專供儀器電纜出口使用之密封壓接接頭，可固定感測器訊號線，阻擋酸鹼蒸氣與腐蝕液體滲入電子腔體，避免電路板短路、訊號偏移，具備 IP68 等級防腐防水效能。

   
   

3. PVDF Floats & Magnetic Float HousingsSensing floats for magnetic flap level gauges and float level switches. Non-absorbent and non-swelling, they resist cracking and water ingress failure under long-term strong acid service.

   適用於磁翻板液位計、浮球液位開關之感測浮件，材質不吸水、不膨脹，長期浸泡強酸環境不易龜裂、滲水失效。

   
   

4. PVDF Measuring Barrels, End Caps, Flanges & Threaded ConnectorsMain measuring tubes, end sealing plugs and tank mounting bases of level gauges, serving as a superior alternative to corrosion-susceptible stainless steel and PP.

   做為液位計主量測管、末端密封堵頭、儲槽安裝底座，可取代易腐蝕之不鏽鋼與 PP 材質，性能更優異。

   
   

5. Limit Stop Rings, Support Shafts & Flow Guide ShroudsDesigned to restrict float travel and protect sensing diaphragms from crystal clogging, precisely lathed from solid PVDF rods.

   限位環、支撐軸與導流護罩採實心 PVDF 棒料精車加工，用以限制浮球行程，並保護感測膜片避免結晶堵塞。

(II) PVDF Parts for Water Quality & Chemical Analysis Sensors (pH / ORP / Conductivity / Flow)

(二) 水質與化學分析感測器專用 PVDF 零組件（酸鹼 / 氧化還原 / 電導 / 流量）

1. PVDF Probe Rods & Electrode SheathsEncase pH and conductivity glass electrodes to isolate corrosive media, shielding electrode probes from physical impact and acid-base erosion. Ideal for online monitoring of semiconductor ultrapure water and electroplating solutions.

      PVDF 探桿與電極護套包覆 pH、電導玻璃電極，隔絕腐蝕介質，保護電極探頭免受撞擊與酸鹼侵蝕，適用於半導體超純水、電鍍藥液線上監測

    2.PVDF Flow Cells & Sensor BasesLiquid-contact cavities manufactured from high-purity PVDF with ultra-low ion leaching, eliminating  contamination to precision process chemicals.

      PVDF 流通槽與感測器底座接液腔體採高純 PVDF 製作，離子析出極低，不會汙染精密製程化學藥液。

   3.PVDF Cable Glands, Mounting Nuts & Hanging BracketsMatching anti-corrosion components for sensor cable sealing and tank installation.  PVDF 電纜迫緊頭、固定螺帽與吊掛支架感測器電纜密封、儲槽安裝專用防腐配套零配件

(III) Components for Special Sensors: Pressure, Radar & Piezoelectric

1. PVDF anti-corrosion housings and wetted bases encapsulate pressure sensor chips to withstand highly corrosive fluids.

2. PVDF radar waveguide rod sheaths avoid radar signal interference caused by crystallization of acid and alkali vapors.

3. PVDF Piezoelectric Film: The core sensing element. Based on piezoelectric effect, it collects vibration, ultrasonic and micro-pressure signals for precision inspection sensing equipment.

（三) 特殊感測器零組件：壓力、雷達、壓電類

1. PVDF 防腐外殼與接液底座包覆壓力感測晶片，可耐受高腐蝕流體。

2. .PVDF 雷達波導桿護套，避免酸鹼蒸氣結晶造成雷達訊號干擾。

   3.PVDF 壓電薄膜：核心感測元件，透過壓電效應擷取震動、超音波與微壓訊號，應用於精密檢測感測設備。

(IV) General Auxiliary Instrument Parts

Anti-corrosion valve stems, valve cores, liquid level sampling valves, instrument liners and junction box sleeves are all machined from PVDF rods and sheets, matching instruments for chemical, photovoltaic and semiconductor wet production lines.

(四) 儀器通用輔助零配件

防腐閥桿、閥芯、液位取樣閥、儀器內襯、接線盒護套皆以 PVDF 棒材、板材加工而成，適用於化工、光伏、半導體濕製程產線配套儀器。

II. Seven Core Advantages of PVDF for Sensors & Anti-Corrosion Instruments

二、PVDF 用於感測器與防腐儀器之七大核心優勢

1. Broad-Spectrum Resistance to Strong Corrosion, Compatible with All Types of Industrial Chemical Liquids

廣效耐強腐蝕，相容各式工業化學藥液

The stable carbon-fluorine molecular structure of PVDF enables long-term resistance to 98% concentrated sulfuric acid, 49% hydrofluoric acid, concentrated nitric acid, strong alkalis, hydrogen peroxide and various organic etching solvents at room temperature. It stays free of swelling, cracking and pulverization under continuous service in hot concentrated acids below 60°C.Ordinary stainless steel suffers pitting and perforation by HF, while PP and CPVC rapidly turn brittle in high-temperature concentrated sulfuric acid. PVDF significantly extends instrument service life and cuts production line downtime and maintenance costs.

PVDF穩定的碳氟分子結構，常溫下可長期耐受98%濃硫酸、49%氫氟酸、濃硝酸、強鹼、雙氧水與各類有機蝕刻溶劑。60℃以下高溫濃酸持續使用不會膨脹、龜裂、粉化。 一般不鏽鋼遇氫氟酸會產生點蝕穿孔，PP、CPVC材質於高溫濃硫酸環境下易脆化。PVDF可大幅延長儀器使用壽命，減少產線停機與維護成本。

2. High Purity & Ultra-Low Ion Leaching to Guarantee Precision Measuring Accuracy

高純度、離子析出量極低，確保精密量測準確度

All products are extruded from premium virgin PVDF raw materials without recycled fillers, free of black spots, impurities and bubbles. Metal ion leaching reaches ppt (parts per trillion) level.The smooth, low-adhesion surface inhibits crystal and sludge adhesion, avoiding probe blockage and data drift while reducing instrument calibration frequency.

全部產品採優質全新料 PVDF 原料押出成型，不添加回收填充料，無黑點、雜質與氣泡，金屬離子析出量達兆分比 (ppt) 等級。表面光滑低附著性，可抑制結晶與汙泥附著，避免探桿堵塞、數據飄移，降低儀器校驗次數。

3. Outstanding Dimensional Stability for Zero Measurement Deviation in Long-Term Operation

3. 尺寸穩定性卓越，長期運作零量測偏差PVDF features an extremely low thermal expansion coefficient with minimal deformation under alternating hot-cold liquid immersion and prolonged high-temperature exposure. It delivers excellent mechanical toughness, impact resistance and stress crack resistance. PVDF probe rods, float barrels and sensor sheaths will not warp after years of service, maintaining stable readings for liquid level and water quality detection and consistent instrument precision.PVDF 熱膨脹係數極低，冷熱交替浸泡與長期高溫環境下變形量極小，具備優異的機械韌性、耐衝擊與耐應力龜裂特性。PVDF 探桿、浮筒與感測護套長期使用不變形、不翹曲，穩定維持液位與水質量測數值，確保儀器精度長期一致。

4. Inherent UL94 V-0 Top Flame Retardant Grade for Workshop Safety Compliance

4. 原生 UL94 V-0 頂級阻燃，符合廠房安全規範No extra flame retardant additives are required to reach UL94 V-0 vertical flame resistance standard: it self-extinguishes instantly once separated from open flame without flaming molten drips. It complies with strict fire safety regulations for chemical explosion-proof workshops and semiconductor cleanrooms, removing fire hazards for instruments operating with corrosive, flammable liquids.無需外加阻燃劑，原生即達 UL94 V-0 垂直阻燃等級：離開明火立即自熄、無熔融滴落引燃。符合化工防爆廠房與半導體無塵室高規防火標準，消除儀器接觸腐蝕、易燃藥液的火災風險。

5. Excellent Insulation with Customizable Anti-Static Modification to Protect Sensing Chips

5. 絕緣性佳、可客製防靜電改質，保護感測晶片PVDF provides superior electrical insulation to isolate conductive corrosive media and eliminate signal noise and measuring distortion of sensors. Custom conductive PVDF modified with carbon black or carbon fiber delivers controllable surface resistance to dissipate static electricity generated by fluid friction, preventing electrostatic breakdown of precision sensor circuit boards and chips, perfectly suited for instruments in semiconductor wet cleaning processes.PVDF 具優異電氣絕緣性，可隔離導電腐蝕介質、消除感測雜訊與量測失真。透過碳黑 / 碳纖維改質可製成可控電阻的導電 PVDF，釋放流體摩擦靜電，避免精密電路與晶片被靜電擊穿，適用半導體濕式清洗製程設備。

6. Wide Temperature, Hydrolysis & Aging Resistance for Stable All-Weather Operation

6. 廣溫耐受、耐水解、耐老化，全天候穩定運作Continuous service temperature range: -40℃ ~ 120℃. Its water absorption rate is merely 0.04%, so long-term submersion will not cause swelling and damage to internal electronic components. It resists UV radiation and acid/alkali fume aging, remaining non-brittle and discoloration-free for instruments mounted on outdoor storage tanks and open pickling tanks.連續使用溫度：-40℃～120℃。吸水率僅 0.04%，長期浸泡不膨脹、不損傷內部電子零件。耐紫外線與酸鹼氣體老化，戶外儲槽、開放酸洗槽設備可長期使用，不脆化、不變色。

7. Excellent Precision Machinability & Support for Custom Non-Standard Instrument Components

7. 精密加工性優異，支援非標客製儀器零組件PVDF rods and sheets perform excellently in turning, drilling, threading and hot welding. Complex precision parts such as slender probe rods, thin-walled floats, miniature cable glands and special-shaped flanges can be fabricated according to customer drawings. Flexible PVDF grades can be processed into bent extended probe rods to fit complex installation scenarios including ultra-high storage tanks and compact equipment cavities.PVDF 棒材、板材車削、鑽孔、攻牙、熱焊性能極佳，可依圖訂製細長探桿、薄壁浮球、微型迫緊頭、異型法蘭等高精密零件。軟質 PVDF 可製作彎曲延伸探桿，适配超高儲槽、狹窄機體等複雜安裝場景。

III. Supporting Strengths as the Original Source Manufacturer

三、原廠源頭製造優勢

1. Strict Raw Material Control for High Purity

1. 嚴格原料管控、高純度穩定All PVDF rods, sheets and welding rods are produced from premium virgin raw materials with zero recycled scrap. The dense internal structure without bubbles or black spots eliminates the risk of medium penetration for finished instrument components. Batch test reports on ion leaching and flame retardancy are available to meet incoming inspection standards of high-end instrument manufacturers.全系列 PVDF 棒材、板材、焊條皆採頂級全新料生產、無回收摻料，組織緻密無氣泡、黑點，避免藥液滲透瑕疵。可提供離子析出、阻燃批次報告，符合高端儀器廠商進料規範。

2. Ample Stock of Standard Parts

2. 標準品庫存充足Conventional PVDF probe rods, cable glands, flanges and floats are kept in ready stock to rapidly fulfill bulk orders and rush orders from instrument manufacturers.常規 PVDF 探桿、電纜迫緊頭、法蘭、浮球常備現貨，可快速交付批量訂單與急單。

3. One-Stop Precision Deep Processing Service

3. 一站式精密深加工服務We provide cutting, threading, drilling, gear cutting and conductive modification processing based on customer drawings or samples, delivering finished probe rods, cable glands, sheaths and other components ready for direct assembly, saving secondary processing costs for clients.依圖 / 依樣提供裁切、攻牙、鑽孔、齒型加工、導電改質等一站式服務，出貨即為可直接組裝成品，節省客戶二次加工成本。

4. Professional Technical Support for Various Working Conditions

4. 專業工況技術對應With in-depth experience in fluoroplastic matching parts for instruments, we recommend pure PVDF or conductive modified PVDF grades according to chemical concentration, operating temperature and anti-static requirements, and provide full material selection solutions for level gauges and water quality sensors.深耕氟塑儀器配件領域，可依藥液濃度、溫度、防靜電需求，匹配純 PVDF 或導電改質 PVDF 材質，提供液位計、水質感測器完整選材方案。