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🛡️ Protect your circuits like a pro—because your tech deserves the best!
MG Chemicals 422B-1L Silicone Conformal Coating is a UL 94 V-0 certified, high-performance protective gel designed for printed circuit boards. It offers exceptional heat resistance up to 200°C, superior corrosion protection, and UV fluorescence for easy inspection. Compatible with robotic coating systems and easy to rework, it’s the go-to solution for professionals demanding reliable, long-lasting electronic protection.












| ASIN | B00DECRZV8 |
| Best Sellers Rank | #479,070 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #547 in Industrial Coatings |
| Brand Name | MG Chemicals |
| Color | Clear |
| Compatible Material | Metal, Plastic |
| Container Type | Bottle |
| Customer Reviews | 5.0 5.0 out of 5 stars (6) |
| Full Cure Time | 48 Hours |
| Global Trade Identification Number | 00779008422212 |
| Included Components | MG Chemicals - 422B Silicone Modified Conformal Coating, Clear, 1L, Can |
| Item Form | Gel |
| Item Package Quantity | 1 |
| Item Weight | 2.14 Pounds |
| Manufacturer | MG Chemicals |
| Material Type | Silicone |
| Model | 422B-1L |
| Other Special Features of the Product | Certified UL 94 V-0, Excellent corrosion resistance, Validated for selective robotic coating equipment |
| Specific Uses For Product | High Temperature Environment |
| UPC | 779008422212 |
| Unit Count | 1.0 Count |
| Viscosity | Medium to high |
| Volume | 1 Quarts |
| Warranty Description | [email protected] |
| Water Resistance Level | Water Resistant |
A**Y
Excellent conformal coating
Excellent conformal coating. Easy to apply and dries incredibly quickly. We use a syringe to apply it very precisely, and have excellent results. As with any conformal coating, pay attention to specific directions regarding individual layer thickness!! If you apply a thick coating, it is very possible to have bubbles and longer curing times, but we still have achieved very good results thus far.
Trustpilot
1 month ago
2 weeks ago