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Used for roofing applications such as hand lay-up, spray up, centrifugal casting, filament winding, polyester concrete, etc. It is particularly suitable for gel coat curing, and its low viscosity makes it ideal for airless spray-up techniques with external mixing.
- Must be purchased and use with Bullet Roof GRP Roofing Topcoat and/or Bullet Roof GRP Roofing Resin to ensure products cure correctly
- Next-working day delivery available (1KG size only)
Bullet Roof GRP Hardener is used for roofing applications such as hand lay-up, spray up, centrifugal casting, filament winding, polyester concrete, etc. It is particularly suitable for gel coat curing, and its low viscosity makes it ideal for spray-up techniques (airless) with external mixing.
Must be purchased and use with Bullet Roof GRP Roofing Topcoat and/or Bullet Roof GRP Roofing Resin to ensure products cure correctly.
Cure Performance
The factors to be considered in selecting the optimum initiator / acclerator system are:
- Process
- Resin Type
- Required gel time or pot life
- Part thickness
- Room temperature
- Nature and quantity of additives
- Dosage optimisation between Sentinel Hardener and accelerator
Bullet GRP hardener is Methyl Ethyl Ketone Peroxide used for the cure of unsaturated polyester resins at room temperature in combination with a cobalt accelerator.
Top Features & Benefits
- Density at 20℃ 1,128g/ml
- Viscosity at 20℃ 16mPa s
- SADT (self-accelerating decomposition temp) 65℃
- Flash point (setapoint) 60℃
Dosage
Bullet GRP hardener is recommended for the curing of ortho- and isophtalic resins at temperatures between 15℃ and 50℃. Concentration at a rate of between 1 and 4% by weight based on resin, depending on weather conditions.
Data sheet
- Manufacturer
- Bullet
- Pack Size
- 1kg, 5kg
- Shelf Life (from date of manufacture)
- Product can be stored maximum three months after receiving date, if kept in appropriate conditions and below its maximum storage temperature. Refer to the safety data sheet for detailed storage instructions.
- Product Usage Type
- Hardener
Questions
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Bullet Roof GRP Hardener is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT