LOCTITE STYCAST OA4000

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

Loctite Stycast OA4000

Main features

  • LED Encapsulation
  • Moisture resistant
  • Excellent thermal shock properties

Product Description

LOCTITE® STYCAST OA 4000 is Part A of LOCTITE® STYCAST OS4000, a fast curing, water-white epoxy casting compound designed for the encapsulation of LED lamps and displays. The mixed compound will gel rapidly at temperatures above 120°C; following a short post cure of 2 hours @ 125°C it will develop high strength, moisture resistant castings with excellent thermal shock properties.

LOCTITE® STYCAST OS4000 can be colored and diffused by the addition of specific dye concentrates, AC7113 red, AC7044 green and AC7088 diffusant concentrate

Mix Ratio, parts by weight* 100/100

Product Family

STYCAST OA4000

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Product availability
US Shipping in 12 weeks
CA Shipping in 12 weeks
EU Shipping in 70 days
TDS, SDS & Technical Documents

Technical Specifications

General Properties
Mix RatioMix Ratio
1:1
Pot LifePot Life
4 hours
Specific GravitySpecific Gravity
1.15
Thermal Properties
Glass Transition Temperature (Tg)Glass Transition Temperature (Tg)
110 °C
Physical Properties
ViscosityViscosity
7,000 mPa.s

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