Types of polyester resins.
Isophthalic polyester resin.
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Main Features: - 
Good chemical resistance. 
 
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Uses: - 
Applications in shipbuilding and marine. 
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Manufacture of parts exposed to aggressive chemical conditions. 
 
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Orthophthalic polyester resin.
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Main Features: - 
Greater hardness compared to isophthalic. 
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Improved tensile strength. 
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Suitable for applications that require greater rigidity. 
 
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Applications: - 
Manufacture of parts that demand greater hardness. 
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Applications in laminates that need structural resistance. 
 
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Modified orthophthalic polyester resin.
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Main Features: - 
Same hardness compared to orthophthalic. 
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Suitable for applications that require greater rigidity. 
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Sustainable approach added with recycled PET. 
 
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Applications: - 
Manufacture of parts that demand greater hardness. 
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Applications in laminates that need structural resistance. 
 
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Isophthalic gelcoat.
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Main Features: - 
Resistance to aggressive environments, UV rays and hydrolysis. 
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Formulated on a polyester base. 
 
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Applications: - 
Durable topcoat for weather-exposed applications. 
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Surface finish on elements exposed to the sun and adverse conditions. 
 
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Orthophthalic gelcoat.
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Main Features: - 
Resistance to harsh use environments and UV rays. 
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Formulated on a polyester base. 
 
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Applications: - 
Durable topcoat for mold making applications. 
 
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