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Unsaturated Polyester Resin for hand lay up
Unsaturated Polyester Resin for hand lay up application
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Product Detail

191RS is a dicyclopentadiene modified unsaturated polyester resin with medium viscosity and medium reactivity. Has
good mechanical strength, Suitable for hand lay up applications.


Specifications of liquid resin

Item

Unit

Value

Standard

Appearance

Pink Sticky Thick
Liquid

Acid Value

mgKOH/g

15-23

GB2895

Viscosity(25℃)

mPa.S

500-700

GB7193

Gel Time

min

5-9

GB7193

Non-Volatile

%

66-74

GB7193

80℃Thermal Stability

hr

≥48

GB7193

Note: Gel Time is 25°C; in air bath; 0.5 ml cobalt isocaprylate solution and 0.5 ml MEKP solution were added into 50 g resin


Performance Indexes of Resin Casting Substance

Item

Unit

Value

Standard

Barcol hardness ≥

Barcol

40

GB3854

Tensile strength ≥

MPa

50

GB2567

Tensile modulus ≥

MPa

2700

GB2567

Elongation at break ≥

%

2.0

GB2567

Flexural strength ≥

MPa

85

GB2567

Flexural modulus ≥

MPa

3000

GB2567

Impact strength ≥

KJ/m2

7.5

GB2567

H.D.T ≥

70

GB1634.2

Note: Environmental Temperature for Experiment: 23±2°C; relative humidity: 50±5%


Packing and Storing

Packed in metal barrel of 220 KG net weight or IBC 1000KG net weight.
With shelf life of 6 months at 20°C at ventilated places; avoiding direct sunlight and heat or fire.
Note: The data were tested according to GB standard. Influenced by many factors in the process of fabrication,
necessary researches by user are not exclusive. Legally, no warranties for some performances of product are
applicable to one specific use, and the rights to amend the materials are reserved.


fiberglass polyester resin



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