^{3M Novec EGC-2704 薄膜塗料 電子級塗佈液}

^{3M Novec 2704 Electronic Grade Coating}

Solids: 4 wt% fluorinated polymer

Solvent: 3M Novec 7200 Engineered Fluid

Color: Yellow/Orange

Container Size: 3.5 gal (33lb/15.0kg), 1 gal (11lb/5.0kg)

Appearance: Transparent, orange, liquid solution
Solids: 4 wt% fluorinated polymer
Solvent: 3M Novec 7200 Engineered Fluid
Density: 1.41 g/mL
Boiling Point of Solvent: 78°C (172°F)
Flash Point: None (per closed cup method)
Environmental: Low in toxicity, non-ozone depleting, nonflammable, low-VOC, RoHS compliant, contains no chlorine or bromine
System: One part homogeneous solution
Property: Fluoropolymer Coating
Appearance: Transparent, light yellow to orange (depending on thickness)
Coating Thickness: Typically 0.2 to 1 micron (depending on application method)
Solvent and Chemical Resistance: Yes (resists aqueous, hydrocarbon and alcohol based fluids)
Tg (glass transition temperature): 46.8°C (116°F)

Thermal Stability of Dry Film: Can withstand 175°C for 24 hours and maintain repellency
Contact Angles (static, dip coated/dried on glass substrate): 105° (water), 65° (hexadecane)
Refractive Index: 1.3778
Shelf Life: 1 year in the original unopened package
Solder-Through Repairability: Yes

Features

• Easy application and processing – dries in seconds without the need for post-application curing
• Can be easily removed for rework and repair using 3M Novec Engineered Fluids
• Is UV detectable for easy identification of coating and quality control
• Allows solder-through repairability
• Contains a low level of volatile organic compounds (VOCs) and has low global warming potential

• Is thermally and electrically stable with good dielectric properties

 • Adheres to a variety of materials (metals, glass, ceramics, polymers, composites, laminates)
• Provides excellent repellency, anti-wetting and anti-sticking properties against liquids – water, hydrocarbons,
silicones, and photoresists
• Is insoluble in solvents such as heptanes, toluene & water
• The polymer can endure up to 175°C for 24 hours and maintain repellency

• Has low surface energy which allows lubricating oils, silicones, photoresist solutions, etc. to bead and drain freely from coated surfaces
• Has excellent surface wetting, especially under low standoff SMT components
• Protects against corrosive gases and vapors in addition to liquids

Application Ideas
• Provides excellent moisture, chemical and corrosion protection to printed circuit boards and their components
• Provides protection of display and touch panel components
• Is an easy and cost-effective alternative to conformal coatings
• Provides excellent anti-wetting, anti-stiction, anti-migration and anti-corrosion properties in many diverse applications

• Can serve as
– an anti-stiction coating for liquid crystal displays, micromotors or MEMS (Micro Electronic Mechanical Systems) components
– an anti-migration coating for displays, spindle motors or lubricated electronic parts
– an anti-corrosion coating for a variety of materials and components

Novec EGC-1700

電子級塗佈液

EGC-1700電子級塗佈液，提供了印刷電路版方便及快速的保護層，能有效的隔離潮濕及腐蝕性的化學環境，對於敏感的電子零件，達到最好的保護。可適用於硬碟業、微機電系統(MEMS)、LCD和印刷電路版產業，達到防潮、抗沾黏和抗腐蝕的特性。 EGC-1700 的塗佈非常簡單，常溫之下快速乾燥，不需要烘烤，即能對電子零件及印刷電路板的連接介面，提供合身且超薄，肉眼看不見的輕薄塗佈，良好的潑水特性，可以抵抗多數的液體，如：潤滑油、矽油、光阻劑….等半導體製程，常用的液體環境。

Novec EGC-1720

電子級塗佈液

Novec  EGC-1720隱形抗污膜，能有效的附著在玻璃表面，可適用於各種電子產品，如 : 觸控面板，抗反射塗佈(AR)面板、光學薄膜、各種電子零件、MEMS、半導體元件或手機零件。 雖然厚度只有 50-100埃(A)，但具有極佳的抗污、抗沾黏和防潮的效果。

Novec EGC-2702

電子級塗佈液

EGC-2702是透明的塗佈液、低黏稠度和低表面張力，它是以氫氟醚溶劑做為載體。需運用在乾淨或乾燥的表面，如：銅、環氧樹脂板材、鋁、陶磁、鋼、錫或玻璃的材質時，EGC-2702電子級塗佈液可形成透明的保護膜，達到防潮、抗沾黏和抗腐蝕的效果。

Novec EGC-4880

電子級塗佈液

EGC-4880電子級塗佈液可形成透明的保護膜，氧化高分子溶在烷氧基矽烷/酒精溶劑。需運用於乾淨的表面，如：玻璃、陶磁、鋁和鋼的材質上，此保護膜可達到防刮、防潮、抗沾黏和抗腐蝕的效果。