Description
The GELCOAT 888 is a thixotropic and accelerated polyester product formulated with Iso NPG resin. It is recommended for
applications which require fire-retardant classification. This gel coat is halogen free, antimony free and has a good resistance
to hydrolysis and UV.
Certificates
M1F0 (4mm) NF16-101 NORESTER 6280
HL2 R1-R7-R17 (4mm) EN45545 NORESTER 6280
Physical Properties of Uncured Gelcoat (SV version)
Brookfield Viscosity 23°C-sp5-Poise- 5rpm ISO 2555 140-230
Specific gravity at 23°C ICON012 1.48 – 1.52
Solid Content – % ICON003 74-76
Storage stability 20°C- months – 3
Reactivity
Drying time at 23°C
2 % MEKP (M50) on 100g-minutes 60
Viscosity & Gel time versions available
Mechanical Properties of cast gel coat*
Elongation at Break ISO 527 1,5 %
Flexural Modulus ISO 178 6.4 GPa
Flexural Strength ISO 178 60 MPa
Heat Distortion Temperature -HDT ISO 75-2 58°C
Barcol Hardness ASTM 2583 50
* To catalyze at 2% of MEKP- post-cured 3h@80°C
Application & Specificities
Recommendations before use Application temperature between 18-25°C.
Homogenize the product.
Recommendations during use 1,25 – 2% Methyl Ethyl Ketone (MEKP).
Mix the catalyst well.
Thickness Apply 500-600 µm of wet.
Avoid excess thickness.
Colours available Consult technical service.
Gloss is lower than a standard polyester gelcoat.
Post Curing 24h at room temperature (16-20°C) then 16h at 40°C
for optimal properties.
Certificates
The gelcoat is classified according to the certificates
named above and according to the application in our
laboratory. It is the customer’s responsibility to
ensure that their moulding is properly classified.
