China Resin Unsaturated Polyester Resin for Glass Fiber Pipes, Filament Winding Resin

• Molecular Principal Chain: Carbon Chain Polymer
• Color: White
• CAS No.: 123-45-5
• Formula: C8h4o3.C4h10o3.C4H2O3
• Einecs: 208-750-2
• Transport Package: as Required
• Specification: as required
• Trademark: as required
• Origin: China
• Production Capacity: 50000mt/Month

Product Description

unsaturated polyester resin property

Item	Range	unit	Testing method
appearance	Light yellow viscous liquid	-	GB/T 8237.4.1.1
Acid value	25-30	mgKOH/g	GB/T 2895
Viscosity,25ºC	0.25-0.45	Pa.s	GB/T 7193.1
Solid content	61-70	%	GB/T 7193.3
Gel time ,25ºC	9-17	min	GB/T 7193-2008

                                     Gel time testing: 50% Cyclohexanon peroxide paste: 4%, promoter E1:4%

 

unsaturated polyester resin casting body property

Item	Unit	Measured value	Testing method
Barco hardness	--	41	GB 3854-83
Heat distortion temperature	ºC	70	GB 1634-04
Bending strength	MPa	112	GB/T 2570-95
Tensile Strength	MPa	60	GB/T 2568-95
Elongation at break	%	3.5	GB/T 2568-95
Impact strength	KJ/m2	10.2	GB/T 2571-95

                                      Notes:1.casting body preparation method according to GB8237-87

2. Curing system: hardener 55%MEKP:2% , promoter E1:2%  post cure system: 60ºC×2h + 80ºC×2h

                

unsaturated polyester resin FRP typical data

Item	Unit	Measured data	Testing method
Bending strength	MPa	365	GB/T1449-83
Tensile Strength	MPa	290	GB/T1447-83
Impact strength	KJ/m2	235	GB/T 1451-83

 Notes:1.casting body preparation method according to GB8237-87

           2.Curing system: hardener 55%MEKP:2% , promoter E1:2%  post cure system:            60ºC×3h + 110ºC×3h

 

unsaturated polyester resin package and storage conditions

 

ü Packed in metal barrel , 220kg/barrel (about 85.6 gallons)

ü Try to prevent liquid resin from directly sunshine and heat resource

ü Prohibit open before use

ü Flammable, should keep away from open fire

ü Shelf life is 6 month under 25ºC

ü Store and operate in a dry, well-ventilated place

ü Please read MSDS carefully before use this product