Unsaturated Polyester Resin (BUP 631) for marine vessels and boats and pultrusion

BUP 631 is a pre-promoted and thixotropic orthophthalic based unsaturated polyester resin with medium viscosity, limited water absorption, resistant to hydrolysis and very good mechanical properties for ambient temperature cure with MEK peroxide.

Details

Chemical Composition

Unsaturated Polyester Resin

Advantages
  • Medium viscosity
  • Limited water absorption
  • Resistance to hydrolysis
  • Excellent adhesion to glass fiber
  • Very good mechanical and chemical properties
Other Applications

Marine vessels and boats
Pultrusion

Storage

Store in a cool place below 25 °C and away from moisture and direct sunlight. Under above mentioned storage conditions, the shelf life of the resin will be at least 3 months ex-works.

Handling

The usual protective measures employed during the handling of Unsaturated Polyester Resins should be observed. Further product safety information can be obtained from our Material Safety Data Sheet which is available on request.
225 kg (net) in steel drums

Technical data

Quantity Value Unit Comment
Appearance Properties
Appearance
Physical Properties
Density 1.1599 g/ml
Viscosity 700 - 1000 cP
Solid Content 63 ± 2 %
Thermal Properties
Heat Deflection temperature >65 ºC
Exotherm peak temperature <170 ºC
Mechanical Properties
Flexural strength >120 MPa
Tensile strength >65 MPa
Tensile elongation 3.41 %
barcol hardness >40
Chemical Properties
gel time 18 - 35 min

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