Reversol P-763 is a filled, beige opaque fire retardant unsaturated polyester gelcoat based on RP9583. It is recommended for brush application. Mold-side surface of article made form Reversol P763 is matt and turns yellowish on outdoor exposure.for use in contact moulding. It is the nonpromoted. Like its bae variant RP9583, Reversol P-763 has a class 1 surface spread of flame rating when tested to BS-476 Part 7, 1997. Reversol P-763 is recommended to be added with 0.18part-by-weight (pbw) Cobalt Octoate (10%) promoter and addition of 1 – 1.5 pbw catalyst (MEKP) to 100 pbwgelcoat during application. Reversol P-763 gelcoat should be use at above 20°C ambient working condition. To achieve optimum mechanical, weathering and fire retardant properties, it is recommended to post-cure Reversol P-763 laminates at 50°C for 24 hours, or allow minimum 7 days ageing at tropical condition of 28-33°C, before putting laminates into service.

Available Documents

TDS Download

Technical Informations

Application Advice/Typical Applications

Shipping and Storage

To ensure maximum stability and maintain optimum resin properties, Reversol P-763 should be stored in closed containers below 32°C and away from heat sources and sunlight. All storage should conform to local fire and building codes. Drums should be stored away from all sources of flame or combustion. Inventory should be maintained at minimum reasonable stock and used on a first-in-first-out basis. When properly stored, Reversol P-763 will remain stable for 3 months from date of delivery.

Product Security/Health and Safety

Before handling, please read the Safety Data Sheet of this product for advice on safety, use and disposal.

Effluents and Pollution Control

Before handling, please read the Safety Data Sheet of this product for advice on safety, use and disposal.

For further information regarding this product please refer to:

Synthomer Limited Head Office
Phone: +44 (0)1279 436 211
FAX: +44 (0)1279 444 025


Character Value Unit
Non-Volatile Content 78.5 ±1.5
Viscosity@ 25°C - Brookfield, #5/10 20,000-28,000 cps 
Thixotropic Index - Brookfield, #5 - 25°C 5.5 minimum at 1 and 10 rpm 
Geltime @ 25ºC - 0.18% Co. Oct (10%) + 1.5% MEKP 15 – 25 minute 
Specific Gravity 1.49  
Volumetric Shrinkage 6.8
Appearance Hazy, opaque beige  
Geltime @ 25ºC - 0.18% Co. Oct (10%) + 1% MEKP. 30-42 minute 

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