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Unsaturated Polyester Resin for hand lay up
    • Unsaturated Polyester Resin for hand lay up

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
AppearancePink Sticky Thick

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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