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Pultrusion

This group of polyester resind are possessing high mechanical and HDT values. Widely used for producing traffic road signs, road side verticals and profiles.

P-755 ORTHO unsaturated polyester resin for pultrusion applications
IR-355 ISO unsaturated polyester resin for pultrusion applications
PROPERTIES FIELD OF APPLICATION TECHNICAL PROPERTIES MECHANICAL PROPERTIES(**)
Highly reactive Structural profiles  Chemical base Isophthalic Tensile strength (MPa) 60 – 70
High mechanical properties Handrails, walkways and platforms Application Pultrusion Tensile elongation (%) 2 – 3
High chemical properties Traffic and road safety equipments Viscosity (cps)  800 – 900    Tensile E-modulus (MPa) 3000 – 4000  
High heat distortion temperature (HDT)   Thixotropy No Flexural strength (MPa) 130 – 140 
Suitable for mass production   Density(g/cm³)  1,11 – 1,13    Hardness  (GYZJ 934-1) 40 – 42  
    Monomer content (%) 34 – 36  Heat distortion temperature (°C) 98 – 102
    Acid value (mgKOH/g) 18 – 30  Water absorption (mg) 28 – 32 
    Gel time (min) 20 – 25 (*)    
    Exothermic peak (°C) 190 – 210 (*)    
    Curing system (*) 1% Co(1%) + 1% MEK P (**) Test applied after post cure application