QianShield QS-STD-158 Ethanol-Based Superhydrophobic nano coat

QianShield QS-STD-158 Ethanol-Based Hydrophobic PCBA Protectant

Manufacturer: QianShield Nano Technology (Shanghai Zhenqian Chemical Technology Co., Ltd.)

Product Overview:
QS-STD-158 is our standard-tier hydrophobic protectant formulated with a fluorinated ethanol-based solvent system. Engineered for high-volume production environments, it provides excellent water repellency at 75% of the cost of our flagship PRO line. The faster-evaporating ethanol solvent enables shorter cycle times on automated dip coating lines.

Specifications:
- Water Contact Angle: 158° ± 2°
- Sliding Angle: < 5°
- Optical Transparency: 88%
- Water Immersion Durability: > 120 hours (< 3% contact angle loss)
- Curing: RT 2-4 hours / 80°C forced cure 30 minutes
- Operating Range: -40°C to 180°C
- Solvent: Fluorinated ethanol-based
- Appearance: Colorless transparent liquid
- Shelf Life: 12 months (sealed, RT)
- Flammability: Flammable (ethanol-based, Class 3)

Key Differentiators vs PRO-160:
- 98.75% contact angle performance 
- Faster solvent evaporation = shorter production cycle
- 180°C max temp (vs 200°C PRO) covers 95%+ of electronics applications
- Same 120-hour immersion durability

Application: Dip coat (10-30 sec immersion, 2-5 mm/s withdrawal), spray (0.2-0.4 MPa, 0.5mm nozzle), or brush. One coat sufficient.

Target Applications:
- FPV drone fleet builds (cost-effective waterproofing for team/club orders)
- LED strip and display module batch coating
- Consumer IoT sensor board protection
- PCBA contract manufacturing standard conformal coating service
- Glass/PDMS microfluidic hydrophobic treatment

Packaging: 50 ml glass bottle (sample), 500 ml HDPE bottle, 5 kg / 25 kg HDPE drums. OEM labeling available (50 kg MOQ).

Supply: 500 kg/month. Samples ship 3-5 days (DHL/FedEx/UPS). Bulk 7-15 days (Shanghai port, sea/air freight).

QA: Batch-tested for contact angle, transparency, immersion durability. COA + MSDS included with every order.

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