General Purpose Unsaturated Polyester Resin 196
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Unsaturated polyester resins (UPR) are versatile materials widely used in various applications due to their excellent mechanical properties, chemical resistance, and ease of processing. These resins are formed by the reaction of unsaturated dicarboxylic acids or anhydrides with polyols, resulting in a thermosetting polymer that can be cured using different methods, including heat and chemical initiators. Among the many types of UPR, the general-purpose unsaturated polyester resin stands out for its adaptability and effectiveness in a range of industries, from automotive to construction. This article delves into the characteristics, applications, and benefits of General Purpose Unsaturated Polyester Resin 196, highlighting its significance in modern manufacturing and composite materials.Typical Liquid Properties
Liquid ResinSpecifications
Item
Unit
Value
Standard
Appearance
Light yellow
transparent
Acid Value
mgKOH/g
18-24
ISO 2114
Viscosity(23°C,Brookfield 3# 60r)
cP
400-500
ISO 2555
Gel Time
Min
15-25
ISO 2535
Solid Content
%
64-70
ISO3251
Note: Gel Time is 25°C,1.0g CoB1and1.0g Mekp-50 were added into100 g resin.
Mechanical Porperites
TypicalValuesofResinCasting
Item
Unit
Value
Standard
Tensile strength≥
MPa
74
ISO527-2
Tensile modulus ≥
MPa
3300
ISO527-2
Elongation at break≥
%
3.5
ISO527-2
Flexural strength≥
MPa
115
ISO178
Flexural modulus≥
MPa
3400
ISO178
H.D.T ≥
℃
70
ISO75-2
Impact strength≥
KJ/m2
7.0
ASTM D-2583/EN59
General Purpose Unsaturated Polyester Resin 196
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