OLS-1557 | Liquid Encapsulant - Two part Epoxy
Harmonization Code : 3907.30.00.85 | Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms : Epoxide resins : Other

Main features
- Low viscosity
- Good workability
- High temperature resistance
Product Description
OPTOLINQ OLS-1557 is an optically clear, two-part, and heat-curable epoxy resin. OLS-1557 AB mixture has low viscosity and good workability after mixing. When fully cured, the product demonstrates minimal mold shrinkage, high toughness, high-temperature resistance, good adhesion on different surfaces, and excellent electrical properties, making OLS-1557 an ideal material for the encapsulation of optoelectronic devices.
Packaging
TDS, SDS & Technical Documents
- TDS _OPTOLINQ OLS-1557
Technical Specifications
General Properties
Thermal Properties
Chemical Properties
Additional Information
Processing Instructions
- Mix component A and B, stir uniformly, and degas under vacuum.
- Recommended molding curing conditions: Mold at 150 °C for 5 minutes and post-mold cure at 130–135 °C for 6–8 hours. Identify the specific curing settings based on your product requirements.
Using Additives
Optolinq OLS-1557 can be mixed with diffusing agents or color pastes to achieve customer-specific purposes.
Recommended quantity of various diffusing agents and color pastes:
- OPC-R Red Color Paste: 0.1-0.5% by epoxy weight
- OPC-B Blue Color Paste: 0.1-0.5% by epoxy weight
- OPC-G Green Color Paste: 0.1-0.5% by epoxy weight
- ODF-090 Diffusing Agent: 3-5% by weight (LED lamps), 4-8% (LED displays)
Storage and Handling
Store in a ventilated, dry, and clean environment below 30 °C and 70% RH. Keep away from fire and heat sources. It is strictly forbidden to store in outdoor environments. At proper storage conditions, Part A has a shelf life of 6 months and Part B a shelf life of 3 months. Shelf life can be extended by using cold storage.