Fast Curing Unsaturated Polyester Resin up-25 for Vacuum Infusion RTM

• CAS No.: 26098-37-3
• Formula: C19h24o11
• EINECS: 0
• Molecular Principal Chain: Element Organic Polymer
• Color: Pink
• 220kg/Drum: 80 Drum in 20FCL
• Model NO.: UP-25
• Shelf Time: 3 Month
• Transport Package: Drum
• Specification: A Grade Quality
• Origin: China
• HS Code: 39079100
• Production Capacity: 10000ton/Year

Product Description

Product Description

UT-25 resin is a pre-accelerated, long-gel time unsaturated polyester resin with low viscosity, good glass fiber wettability, fast curing and air-drying properties. It is suitable for RTM and vacuum infusion forming process, and is used to manufacture glass fiber reinforced plastic fishing boats, auto parts, fan hoods and waterproof boards and other products.

 

Packing photos

 

 

 

Properties of Liquid Resin

Projects	Measured value	Test method
Appearance	Purple-red transparent liquid	GB/T 8237.4.1.1
Viscosity (Pa.s, 25ºC)	0.14-0.18	GB/T 7193.1
Gel time (min, 25ºC)	50.0-80.0	GB/T 7193.6
Acid value (mgKOH/g)	28-34	GB/T 2895
Solids content (%)	54-60	GB/T 7193.3

 

Properties of Casting Bodies

Projects	Measured value	Test method
Barcol Hardness	49	GB3854-05
Thermal Deformation Temperature (ºC)	68	GB 1634-04
Flexural modulus (Mpa)	4200	GB/T2570-95
Tensile strength (Mpa)	55	GB/T2568-95
Elongation (%)	1.8	GB/T2568-95
Impulse strength (KJ/m2)	10.2	GB2571-95

Note: 1.The sample preparation method shall be implemented according to GB 8237-87.
          2.Curing system: curing agent 55% MEKPO: 1%
          3.Post-curing treatment: 60ºC×2 hours + 100ºC×2 hours
          4.Glass fiber content: 70±3%
 

Applications

 

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