Low Shrinkage Active Alignment Camera Module Adhesive


Low Shrinkage Optical Camera Module Adhesive with LED and/or Heat-Cure

Dymax 9803 low shrinkage optical epoxy adhesive offers superior adhesion for common substrates used in camera modules and LiDAR assemblies, in active alignment, and other optical bonding applications. The adhesive has the unique flexibility to cure in seconds with LED and/or UV/Visible light as well as low temperature heat for shadow areas. 

In addition, 9803 meets critical low-outgassing specifications making it ideal for complex optical positioning applications such as lens bonding, bonding the lens barrel to holder or bonding the holder to printed circuit boards (PCBs).

The one component epoxy requires cold shipment and cold storage (and should be kept between 1°C [34° F] -and 5°C [41°F]) but does not require frozen shipment or storage conditions. The epoxy has improved 85°C/85% RH resistance, exhibits less overall movement through thermal excursions and features higher viscosity and thixotropy to maintain bead shape upon dispense.

Meets NASA ASTM E595 low-outgassing specifications and follows RoHS directives 2015/863/EU. 



  • Rapid LED or UV/Visible light and/or heat cure
  • Very low volumetric shrinkage
  • High Tg and Low CTE
  • Low ASTM E595 Outgassing
  • No frozen storage, refrigerated shipment/storage 1-5°C [34-41° F]

Typical Properties

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Property Values
Viscosity (nominal) 86,000 (nominal)
Uncured appearance Off white opaque to charcoal translucent gel
Volumetric shrinkage 1.1%
Recommended substrates ABS; CAP; FR-4 Board; LCP; PC; PET; PPS; PS; Stainless Steel; Aluminum; Glass; Magnesium

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9803 Low Shrink Adhesive For Active Alignment of Camera Modules

Dymax 9803 low-shrinkage cationic epoxy is specifically designed for the alignment of camera modules, optical components, LiDAR (Light Detection and Ranging), and other ADAS (Advanced Driver Assistance Systems) assemblies used in automotive applications. The product cures very fast primarily with LED or broad-spectrum light or UV light only. 9803 also features a low-temperature (80-85°C) heat-cure for shadow areas or where heat-only cure is preferred.

Success Story: Epoxy Helps Automotive Camera Manufacturer Reduce Processing Time by 79%

A manufacturer was looking for an alternative adhesive for their automotive camera module line. Their current active alignment process was slow, driving down throughput. Dymax was able to offer a solution using 9803 low shrink epoxy that allowed the manufacturer to reduce their overall processing time by 79%, as well as achieve higher bond strength, a reduction in shrinkage, and lower shipping and handling costs.

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