Good Mechanical Strength 191 Universal Unsaturated Polyester Resin General Purpose Resin

• CAS No.: 123-45-5
• Formula: C8h4o3.C4h10o3.C4H2O3
• EINECS: 208-750-2
• Color: Pale Yellow
• Transport Package: Drum
• Specification: 220KG/DRUM
• Model NO.: JL-191
• Trademark: JLon
• Origin: China
• Production Capacity: 100000ton/Year

Product Description

Introduction
Unsaturated polyester resin 191 general purpose polyester resin features low viscosity, good mechanical strength and high ductility, suitable for all kinds of hand layup FRP products.
Details
1.Liquid resin technical data

item	unit	index	test standard
Appearance	--	Clear pale yellow liquid	GB/T 8237.4.1.1
viscosity	25ºC,Pa.S	0.25~0.45	GB/T 7193.1
gel time	25ºC,min	10.5~21.5	GB/T 7193.6
acid value	mgKOH/g	25~30	GB/T 2895
non-volatile	%	61~67	GB/T 7193.3

2.Resin casting matrix performance

item	unit	measured value	test standard
Barcol Hardness	--	41	GB 3854-83
HDT	ºC	70	GB 1634-04
Flexural Strength	MPa	114	GB/T 2570-95
tensile strength	MPa	60	GB/T 2568-95
Elongation at break	%	3.5	GB/T 2568-95
Impact Strength	KJ/m^2	10.2	GB/T 2571-95

Remark: casting matrix should follow GB8237-87
Hardness system: hardener 55%MEKPO:1.5% accelerator E1:1%
60ºC×3 Hours + 80ºC×2 hours


3.Performance of FRP

item	unit	measured value	test standard
Flexural Strength	MPa	365	GB/T1449-83
tensile strength	MPa	290	GB/T1447-83
Impact Strength	KJ/m^2	235	GB/T 1451-83

Remark: FRP according to GB 8237-87
‚Hardness system: hardener55%MEKPO:2% accelerator E1:2% 60ºC×3hours + 110ºC×3 hours



4.Storage And Transportation
The loading and transportation must follow the rules in chapter 5 of dangerous chemicals regulations. The products should be stored under 25ºC and avoid the sunshine, heat source, and fire source. The shelf life is 6 months.