PUR 1635 A/B Transparent light yellow polyurethane potting compound
PUR 1635 is a two-component solvent-free room temperature or heat cured polyurethane material that appears light yellow transparent after curing. It is used in two-component sealing, potting flame retardant and other fields. The raw materials are free of heavy metals, environmentally friendly, and have wide process operability. The finished product has high physical properties and good adhesion with the substrate. It can be cured at room temperature or by heating, and can be deeply cured with less heat release and low shrinkage rate during curing; After curing, it has excellent flexibility and good flame retardant effect.
- Color: Part A: Light yellow transparent liquid; Part B: colorless or light yellow transparent liquid; After mixing: light yellow semi transparent fluid
- Viscosity（25℃ mPa·s）：A part：500±200；B part：700±200； Mixed ratio：500±200；
- Density（25℃ g/cm3）：A part：1.10±0.05；B part：0.96±0.05； Density after mixing：1.03±0.05；
Product Details
Feature
■ Excellent low-temperature characteristics and excellent weather resistance
■ V-0 Excellent flame retardancy, meet V-0
■ Excellent electrical insulation and stability
■ Good waterproof, moisture resistance, water absorption is very low
■ Good adhesion to most metals and plastics
Application
■ This product is commonly used for potting electronic capacitors and automotive electronic modules;
■ Household appliances such as lampblack stove, microwave oven, rice cooker, washing machine, air conditioning control PCB board potting;
■ The circuit boards and magnetic induction coils of smart toilets, induction toilets, and metal induction trash cans are protected by moisture-proof and waterproof potting protection.
