Composites & Laminates

COMPOSITION:

• similar to GRP production|

PROPERTIES:

• excellent strenght to weight ratio
• tough, glossy finish on surfaces in contact with the mould
• large complex shapes possible
• safety equiptments must be used

USES:

• aerospace components
• sporting equiptments (eg fishing rods, rackets & skies)
• body armour

COMPOSITION:

• sealant & releasing agent are applied to a smooth tapered mould
• hardner & pigment are added to polyester resin
  
• 1mm thick resin 'gelcoat' is applied to the mould & allowed to dry for around 30mins
  
• glass fibre matting is laid over mould & pressed into the resin using rollers or by stippling with a brush
• alternate layers of resin & glass fibre are built up to an appropiate thichness
• excess material is removed
• resin is allowed to cure before the mould is separated & edges are finished when fully hardened
  

PROPERTIES:

• very good strenght to weight ratio
• tough
• glossy
  
• water resistance on surfaces in contact with the mould
• large complex shapes possible
• safety euiptment has to be used to protect from fumes & fine fibres
  

USES:

• sailing boats hulls
  
• canoes
• signage
• garden pond liners