What are the advantages of Unsaturated Polyester Resin? - PowerPoint PPT Presentation

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What are the advantages of Unsaturated Polyester Resin?

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Polyester resin for GP has a broad variety of articles that are contemplated advantages to multiple applications that give them very compliant to connect structures like fiberglass. – PowerPoint PPT presentation

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Title: What are the advantages of Unsaturated Polyester Resin?


1
Comprehensive Guide To General Purpose Polyester
Resin
2
Polyester Resin for GP
  • The general purpose unsaturated polyester resin
    is extensively used in industrial purposes,
    chemical equipment, auto industry, marine
    industry, and FRP cooler bodies. They are
    fabricated with an innovative technique of
    production to meet international quality
    standards. We compile with requirements of
    industries interested in superior performance and
    improved efficiency of their finished product.

3
General Applications of Polyester Resin
  • Flowerpot
  • Automobile components
  • Dust bin
  • Sports equipment
  • Water tank
  • Safety helmet
  • Garden furniture
  • Container
  • Bathtub
  • Panels
  • Statues
  • Machine cover

4
Product Features and Benefits
  • The polyester resin for gp is a quick curing
    unsaturated polyester resin that depends on the
    orthophthalic raw material for laminating
    purposes. It serves longer-term and ideal for
    both gun spray-up and layup. The resin offers
    outstanding mechanical properties, influence, and
    water resistance. The glass fiber laminate formed
    with this resin has good rigidity, excellent
    mechanical strength, and exceptional durability.
  • Medium reactivity
  • Muddy yellow and transparent in color
  • Efficient heat resistance
  • Good water resistance

5
  • Post curing
  • It is suggested to mature the products for 24
    hours, and post-curing should be operated for a
    minimum of three hours at 2-3 hours or 800
    Celsius at room temperature. It is vital for
    getting the best properties.
  • Usage
  • The polyester resin for gp is optimum if the
    laminate is entirely post cured. The volume of
    the Accelerator and catalyst must be wholly mixed
    before the catalyst is added to avoid a direct
    blending which may give rise to an explosion.

6
Storage and Packaging
  • The polyester resin remains stable for 4 months
    at 250C and 3 months at 300C in the dark. At an
    elevated temperature, the resin stability
    worsens, mainly when exposed to direct sunlight.
    'No smoking' rules must be rigorously followed.
    In case of leakage, use earth or sand to absorb
    and spade off for disposal according to local
    regulations. And in the case of fire, use dry
    chemical foam, water spray, or carbon dioxide to
    extinguish the flame.
  • The polyester resin is packed using HDPE carboys
    ( 30, 35, 40, and 45 kgs) and HDPE drum barrels
    (225kgs) of standard net size and weight.
    Specific packing size provided for projects on
    returnable containers. Also, technical services
    are offered to comply with standards
  • Health and safe
  • Never add accelerator metal salts or pre
    accelerated resin to peroxides while adding
    peroxides to a resin solution, and mix the
    resulting product thoroughly. In hot diluents or
    processes, make sure you do not add any organic
    peroxides. Prevent the impurities of Accelerator,
    a promoter from materials such as Copper, Iron,
    Cobalt storing acids, salts, and sanding dust.
    Recommended containers include polypropylene,
    glass, Teflon, stainless steel, or Poky-ethylene
    to prevent material's impurities during its
    handling.

7
What are the Advantages of the Unsaturated
Polyester Resin
  • Polyester resin for gp has a wide variety of
    features that are contemplated advantages to many
    applications that make them highly compliant to
    combine structures like fiberglass. Some of the
    advantages include
  • Due to the low viscosity benefit, it makes any
    compound easy to shape while laminating.
  • It has a short curing time, i.e. (lt12-24 hours )
  • It gives excellent flexibility once it is cured.
    It makes it an incredible ingredient for
    combining structure like fiberglass
  • Polyester can hold out against temperatures up to
    80 degree Celsius
  • The protraction capacity is ultimately good. When
    used in compounds, it produces a three times more
    flexible structure compared to carbon fiber.
  • Good wetting is also another feature of
    polyester. It has good wetting to glass fibers,
    making the creation of new compounds easier
  • During curing, it gives a comparatively low
    shrinkage rate at between 4-8 . But the rate can
    be expected to lower under certain situations,
    ensuring excellent consistency in structural
    applications.

8
  • Linear thermal extension ranges from 100-200 x
    10-6 K-1
  • Water-resistance capacity, cured polyester resin
    offers outstanding, extendable durability to
    water, having been utilized as a waterproofing
    system to protect various structures and used in
    the marine industry for boat construction.
  • Polyester resin also offers broad chemical
    resistance to a range of components from
    vegetable oil to sulfuric acid, making it the
    popular resin choice in many coating and lining
    systems.
  • Excellent chemical resistance capacity to aging
    and weathering
  • Polyester resin holds out well against extreme
    weather conditions like ice. Snow, rain, and
    strong wind, as well as UV rays and high
    temperatures.
  • Polyester resin is available at a comparatively
    low cost compared to other resins on the market
    by as much as five times.

9
What are the Disadvantages of the Polyester Resin
  • When compared to resin-based or resins, polyester
    resins do have some drawbacks that could be
    discerned as resin's limitations in certain
    circumstances some of the disadvantages are as
    follows
  • It has lower mechanical properties when compared
    to epoxy resin, for example. On the other hand,
    unsaturated polyester resin for gp is more
    resilient but less rigid.
  • Increased shrinkage is another factor though it
    can be minimized by adding thermoplastic
    components.
  • It has a robust styrene smell, but with the
    possible effort, it can be reduced.
  • Sufficient bubble-free mixing is required to
    ensure a qualitative laminate.
  • No matter what resin it might be, safety is the
    primary concern. But this resin posses the toxic
    nature of its fumes, especially of its catalyst.
    MEKP constitutes a safety risk if the right
    protection is not used. And to mitigate these
    risks, flame retardant resin can also be
    utilized.
  • Not suitable for bonding numerous substrates such
    as steel unless a primer is used
  • Waste is also another disadvantage as many
    polyester resin-based compounds are sent to
    landfill every year, which is considerably
    increasing. But enough effort has been made to
    recycle it, from catalyst-driven recovery to the
    utilization of glycol degradation.

10
Conclusion
  • All the information regarding polyester resin for
    gp is comprehensively discussed above, like its
    economic and straightforward use. It is
    considered a significant component in several
    industries, from aerospace to construction. It
    offers excellent physical and chemical properties
    and exclusively affordable compared to other
    resins like urethanes and epoxies. Also it gives
    superior performances in multiple cases.

11
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