China Unsaturate Polyester Resin for FRP Boat

Unsaturated Polyester Resin

TM-191RS General Unsaturated Polyester Resin
1,Brief Introduction:
TM-191RS UPR is a kind of general purpose use UPR, low viscosity, good mechanical strength and high elongation. It can be applied in all kinds of FRP products as well as lay-up products.

2,Liquid resin technical data:

itemunitindextest standardAppearance--Clear pale yellow liquidGB/T 8237.4.1.1viscosity25ºC,Pa.S0.25~0.45GB/T 7193.1gel time25ºC,min10.5~21.5GB/T 7193.6acid valuemgKOH/g25~30GB/T 2895non-volatile%61~67GB/T 7193.3

Gel Time: 50% cyclohexanoneperoxide 4%, Accelerator E1: 4%:

3,resin casting matrix performance

itemunitmeasured valuetest standardBarcol Hardness--41GB 3854-83HDTºC70GB 1634-04Flexural StrengthMPa114GB/T 2570-95tensile strengthMPa60GB/T 2568-95Elongation at break%3.5GB/T 2568-95Impact StrengthKJ/m210.2GB/T 2571-95

Remark: casting matrix should follow GB8237-87
Hardness system: hardener 55%MEKPO:1.5% accelerator E1:1%
60ºCx3 Hours + 80ºCx2 hours

4,performance of FRP

itemunitmeasured valuetest standardFlexural StrengthMPa365GB/T1449-83tensile strengthMPa290GB/T1447-83Impact StrengthKJ/m2235GB/T 1451-83

Remark: FRP according to GB 8237-87
‚Hardness system: hardener55%MEKPO:2% accelerator E1:2% 60ºCx3hours + 110ºCx3 hours

5,Refererce Formula
Weight portion
TM-191RS UPR 100 pottion
Hardener(55%MEKPO) 2 portion
(or 50% cyclohexanone peroxide)(4 portion)
acceleratorE1 1-4 portion (the weight depend on the local tempurate)

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