BRT – Optically Brightened Laminating Epoxy

From: 58.79

Optically brightened version of our CLR system, for white surfboard lamination and hot coating. BRT is a SUPER SAP® Formulation.

SKU: EK-BRT Category:

Product Overview

BRT Optically Brightened Laminating Epoxy is a SUPER SAP® formulation. This optically brightened, clear laminating system is designed specifically for ultra white cosmetic applications such as surfboard laminations over EPS (expanded polystyrene) or PU (polyurethane) foam.  Based on ENTROPY RESINS classic CLR – CLEAR Epoxy Resin, BRT Optically Brightened Laminating Epoxy Resin can be paired with all CLR Clear hardeners.

Available in CLX (Extra Fast), CLF (Fast) and CLS (Slow) cure speeds – Hardener speeds can be combined to customise working times.

CLX Extra Fast Cure: 18 min pot life, 2 hr tack free time, Recommended Full Cure 7 days @ 25°C.

CLF Fast Cure: 21 min pot life, 4 hr tack free time, Recommended Full Cure 7 days @ 25°C.

CLS Slow Cure: 43 min pot life, 8 hr tack free time, Recommended Full Cure 7 days @ 25°C Post cure recommended.

Two-part epoxy resin kits are comprised of BRT Epoxy Resin and CLX (EXTRA FAST), CLF (FAST) or CLS (SLOW) Hardener.

For dark colour substrate applications, we recommend our CLR formula.

Best Uses

White Surfboards

Stand up Paddle Boards

 

Key Features Clear,
UV stable
Applications CLX: Professional Laminating / Hand Layup / Low Colour Applications

CLF & CLS: General Laminating/Adhesive/Coating System/Hand Layup/Vacuum Moulding
Biobased Content (% C, ASTM D6866) CLX Extra-Fast Hardener Kit: 21%
CLF Fast Hardener Kit: 21%
CLS Slow Hardener Kit: 29%
Colour Clear
Mix Ratio (by volume) 2:1
Mixed Viscosity (cP @ 25°C) CLX Extra-Fast Hardener Kit: 580 mPas
CLF Fast Hardener Kit: 725 mPas
CLS Slow Hardener Kit: 800 mPas
Pot Life (100g @ 25°C) CLX Extra-Fast Hardener Kit: 18 min
CLF Fast Hardener Kit: 21 min
CLS Slow Hardener Kit: 43 min
Tack Free Time (@ 35°C) CLX Extra-Fast Hardener Kit: 2 hr
CLF Fast Hardener Kit: 4 hr
CLS Slow Hardener Kit: 8 hr
Recommend Full Cure CLX Extra-Fast Hardener Kit 7 days @ 25°C
CLF Fast Hardener Kit 7 days @ 25°C
CLS Slow Hardener Kit 7 days @ 25°C
Tensile Strength (ASTM D638) CLX Extra-Fast Hardener Kit: 65.5 MPa
CLF Fast Hardener Kit: 65.5 MPa
CLS Slow Hardener Kit: 67.6 MPa
Elongation (ASTM D638) CLX Extra-Fast Hardener Kit: 6%
CLF Fast Hardener Kit: 5%
CLS Slow Hardener Kit: 6%
Flexural Strength (ASTM D790) CLX Extra-Fast Hardener Kit: 96.5 MPa
CLF Fast Hardener Kit: 93.1 MPa
CLS Slow Hardener Kit: 100.5 MPa
Tg (Ultimate, DSC) CLX Extra-Fast Hardener Kit: 77°C
CLF Fast Hardener Kit: 65°C
CLS Slow Hardener Kit: 77°C