Bio-Based BRT Resin: White Surf/Paddle Board Lamination - Entropy Resins

Entropy's BRT biobased epoxy laminating resin with crystal clear, glossy optical quality. Specially designed for the lamination and hot coating of white or low color surfboards, paddle boards and other board sports. - Areas of application: Surfboards, paddle, coating... - Suitable hardeners: Choice between slow, fast, or extra fast hardener depending on the project. - UV protection: UV resistant and low yellowing. - Eco-friendly: 30% biobased, USDA BioPreferred certified. Hardeners available: Extra Fast CLX Fast CLR Slow CLS Touch dry (at 25°C) 2 hours 4 hours 8 hours Full curing time 7 days at 25°C 7 days at 25°C 7 days at 25°C Entropy's BRT biobased epoxy laminating resin with crystal clear, glossy optical quality. Specially designed for the lamination and hot coating of white or low color surfboards, paddle boards and other board sports. Derived from ENTROPY CLR Common uses: White surfboards, Paddle Super Sap® formulation. 30% biobased content Certified USDA BioPreferred

Manufacturer part number: ER-BRT-1

Vendor: Résine-Net

Availability: In stock

€62.37

Qty:

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Product Description

The BRT from Entropy Resins is a general-purpose, clear, optical gloss, and UV-resistant laminating resin designed for laminating white surfboards and for hot coating.

Based on the entropic CLR - Clear Epoxy Resin, the BRT can be combined with all CLR Clear hardeners.

The BRT is a USDA BioPreferred® certified product with a biobase content of 30%.

Suitable Hardeners

CLS (Slow: Curing in 8 hours)
CLF (Fast: Curing in 4 hours)
CLX (Extra Fast: Curing in 2 hours)

Frequent Use

White surfboards
Stand-up paddle boards

Consumption

Approximately 3 litres for 1 short board of 2 m and approximately 12 litres for 1 SUP or 2 long boards.

Working Temperature

Optimal temperature of 21°C to 30°C.

Working Environment

Prefer low-humidity environments, especially for use outside the optimal temperature range for the product.

Technical Specifications

BRT resin + extra fast hardener CLX

Mixing ratio by volume	2:1
Mixing ratio by weight	100:45
Mixing viscosity (cPs at 25°C)	1160
Time of use (at 25°C)	18 minutes
Dry to the touch (at 25°C)	2 hours
Recommended complete curing	7 days at 25°C
Characteristics	flagship product for transparency, UV and yellowing resistance, low viscosity
Application	professional lamination, manual layering, low-colour application

BRT resin + fast curing CLF

Mixing ratio by volume	2:1
Mixing ratio by weight	100:44
Mixing viscosity (cPs at 25°C)	1100
Time of use (at 25°C)	21 minutes
Dry to the touch (at 25°C)	4 hours
Recommended complete curing	7 days at 25°C
Characteristics	excellent transparency, UV resistance, low yellowing, low alterations in cold or humid environments
Application	general laminating epoxy resin, adhesive, coating, manual layering, vacuum moulding

BRT resin + slow hardener CLS

Mixing ratio by volume	2:1
Mixing ratio by weight	100:43
Mixing viscosity (cPs at 25°C)	800
Time of use (at 25°C)	43 minutes
Dry to the touch (at 25°C)	8 hours
Recommended complete curing	7 days at 25°C (post-curing recommended)
Characteristics	excellent transparency, UV resistance, low yellowing, long service life
Application	general laminating epoxy resin, adhesive, coating, manual layering, vacuum moulding

Usage Tips

For best results, mix the two components according to weight.
Always mix the product thoroughly for at least 2 minutes, scraping all surfaces of the container to ensure complete mixing.
It is preferable to use the product in a temperature-controlled environment within the optimal limits of the product's use. Avoid cold ambient temperatures or high humidity.
For optimum curing performance, ensure that surfaces are dry and free of all dirt, debris and/or traces of oil. Surface preparation by mechanical sanding is strongly recommended.
Carry out preliminary tests with the materials and processes being considered to fully understand the curing characteristics of the resin in your working environment and the compatibility of the resin with other materials.

Avoid using BRT on dark-coloured surfaces as the optical brightener could degrade the appearance!

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