Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

KEY-199 Screen Cleaning Agent

KEY-199 Screen Cleaning Agent is a premium-grade, non-corrosive, fast-drying formulation from KEY Chemical’s Precision Care Series. Specifically engineered for sensitive optical surfaces—including LCD, OLED, and AR-coated displays—it removes fingerprints, oils, and particulates without residue or static buildup. Safe for touchscreens, lenses, and precision instruments. Meets ISO 14644-1 Class 5 cleanroom standards. VOC-compliant and RoHS-certified.
  • key 199 screen cleaning agent_9bd1710d
  • key 199 screen cleaning agent_9bd1710d

Features Of KEY-199 Screen Cleaning Agent

  1. Non-corrosive formulation specifically engineered for delicate optical and electronic display surfaces.

  2. Volatile organic compound (VOC)-compliant solvent blend with rapid evaporation and zero residue.

  3. Static-dissipative properties minimize particulate attraction during and after cleaning.

  4. Halogen-free and non-ozone-depleting, aligned with global environmental stewardship standards.

  5. Compatible with common screen protection coatings including oleophobic and anti-reflective layers.

Typical Applications Of KEY-199 Screen Cleaning Agent

  1. Cleaning of TFT-LCD, OLED, and microLED display panels in semiconductor and flat-panel display manufacturing.

  2. Maintenance of touchscreens in industrial HMIs, medical diagnostic monitors, and aviation cockpit displays.

  3. Pre-bonding surface preparation for optical adhesives and laminated display assemblies.

  4. Final wipe-down of precision optical components in AR/VR headset production lines.

  5. Re-work and repair cleaning of high-resolution inspection equipment screens (e.g., AOI, SPI systems).

Specifications Of KEY-199 Screen Cleaning Agent



Chemical TypeProprietary azeotropic solvent blend (halogen-free)
Product FormLiquid (ready-to-use)
AppearanceClear, colorless liquid
OdorFaint, neutral solvent odor
Primary ApplicationsOptical display cleaning, precision electronics surface decontamination
Key FeaturesNon-corrosive, static-dissipative, low surface tension, fast-drying
BenefitsNo streaking, no coating degradation, safe for PET, ITO, and AR films
Regulatory ComplianceREACH compliant; RoHS 2.0 compatible; no SVHCs above threshold


Compatible Systems Of KEY-199 Screen Cleaning Agent

Common Compatible SystemsSuitability
Automated spray-clean systems (e.g., GEMETEC, MRC)Highly Recommended – Optimized for nozzle compatibility and uniform mist dispersion
Manual lint-free wipe protocols (e.g., Texwipe TX4215, Berkshire AlphaWipe)Highly Recommended – No fiber shedding or chemical interaction
Ultrasonic cleaning baths (40–60 kHz, ambient temperature)Recommended – Effective for pre-cleaning frame assemblies; avoid prolonged immersion
In-line vapor degreasing equipment (low-boiling point configuration)Suitable – Requires condenser temperature adjustment; consult technical bulletin

KEY-199 Screen Cleaning Agent – Frequently Asked Questions (FAQ)

Q1: What is the CAS Registry Number for KEY-199 Screen Cleaning Agent?

A: KEY-199 is a proprietary multi-component formulation and does not have a single CAS number; individual constituents are listed under CAS numbers 108-88-3 (p-xylene), 110-54-3 (n-butyl acetate), and 78-93-3 (ethyl acetate) — full composition disclosed under NDA.


Q2: What is the recommended application method and typical usage rate per square meter?

A: Apply via precision spray nozzle or saturated lint-free wipe; average consumption is 8–12 mL/m² for single-pass cleaning on standard display substrates.


Q3: How does KEY-199 differ from conventional IPA-based cleaners in terms of performance and safety?

A: Unlike IPA, KEY-199 offers lower surface tension for improved contaminant lift, reduced flammability (flash point >45°C), and no risk of ITO layer oxidation or polymer swelling.


Q4: Does KEY-199 meet ISO 14644-1 Class 5 cleanroom requirements for particle generation?

A: Yes — validated per ISO 14644-1 and JIS B 9920:2019; generates <1 particle ≥0.5 µm per 1000 L air when applied with certified wipes and controlled dispensing.


Q5: Has migration or extractables testing been performed for use in medical-grade display applications?

A: Yes — tested per USP <87> and <88> (cytotoxicity and systemic injection assays); no leachable organics detected by GC-MS after 72-hr extraction in simulated body fluid at 37°C.



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