Chem-Set 412 Clear LED Potting Silicone

Chem-Set™ 412 Clear LED Potting Silicone is a two-part, addition-cure silicone elastomer engineered for potting LED light strips, PCBs, and sensitive electronics. With a crystal-clear finish, low viscosity, and excellent UV stability, it ensures maximum light transmission while protecting components from moisture, shock, vibration, and temperature extremes.

Pre-filled 1:1 dual cartridges simplify application—no manual mixing or guesswork. Chem-Set 412 flows easily around intricate parts and cures quickly at room temperature or faster at elevated heat. It’s the ideal solution for LED lighting installations where clarity, durability, and electrical insulation are mission-critical.

Key Features & Benefits

• Crystal-clear, non-yellowing finish for high light transmittance

• Available in 50ml, 300ml, and 600ml cartridges – no mixing needed

• Low shrinkage (0–4%) protects delicate electronic assemblies

• Flexible and shock-absorbing to prevent cracking or vibration damage

• Excellent dielectric properties (500 V/mil)

• Fast room temp cure or 30 mins @ 150°C

• UL 94 HB flame-rated (File: QMFZ2.E205830)

• Broad thermal stability from –55°C to 204°C (–67°F to 399°F)

• Low toxicity and safe for sensitive PCB materials

• Self-leveling flow simplifies potting around small components

Technical Specifications

Compliance & Certifications

• UL 94 HB Listed (QMFZ2.E205830)

• RoHS Compliant (contact for documentation)

• Low toxicity, non-corrosive formula suitable for sensitive electronic environments

Compatible Substrates

• FR4 circuit boards

• LED strip backers (aluminum, polycarbonate)

• Wire insulation and connectors

• Acrylic, ABS, PVC (with surface prep)

• Metal housings & thermoplastic enclosures