Opti-tec 4210 is a two-part, high hardness, room temperature curing polyurethane resin designed for the potting and encapsulation of electronic devices requiring very high clarity. Opti-tec 4210 has excellent outdoor weathering properties, due to the incorporation of both UV resistant base materials and the addition of UV stabilisers and antioxidants. Opti-tec 4210 is a harder version of Opti-tec 4200.
Features & Benefits
Water clear – for high clarity potting, encapsulating, casting
Very hard, Shore D80 – resists scratching and marking
Excellent long term UV stability – can be used outdoors
Low viscosity – easy to mix and process
High mechanical strength
Applications
Potting of LED lighting projects, including LED tracks, arrays, luminaires
Protection of electronics located outside or walked on; uplighters
Optical instruments
High quality casting resin
Lens forming
Opti-tec 4210 can be used to encapsulate LED uplights
Specifications
Resin
Hardener
Mixed
Colour
Clear
Clear
Clear
Specific gravity (g/ml)
1.05
1.13
1.09
Viscosity m.Pa.s @ 25°C
2500
1200
1700
Mix ratio by weight
0.93:1
Mix ratio by volume
1:1
Curing (typical values – will vary according to mass and application. Higher cure temperatures will result in greater cure shrinkage and exotherm)
Clear Hard Polyurethane Encapsulant – 250g twin pack sachet
OPT4210-1KG
Clear Hard Polyurethane Encapsulant – 1 kilogram kit
Last updated: October 2016
Version: 2.0
Statements, technical information and recommendations contained herein are based on tests we believe to be reliable but they are not to be construed in any manner as warrantees expressed or implied. The user shall determine the suitability of the product for his intended use and the user assumes all risk and liability whatsoever in connection therewith.
