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Master Bond adhesives

Polynt POLYCOR® HWR PA Gel Coat Spray
Categories: Polymer; Thermoset

Material Notes: A pre-accelerated gel coat based on Isophthalic Neopentylglycol unsaturated polyester resin. It is cured using MEKP peroxide.

Appearance: Product is available in white, off-white and wide range of colors and can be color matched according to a particular demand. The product is formulated to assure a hide in wet film thickness of 500µm. However some bright shades may have a hide slightly lower opacity.

Properties / Advantages: The product is easy to use with highly controlled rheological properties providing high resistance to sagging. This product has excellent resistance to yellowing over time. It has excellent gloss retention properties. This product has very good water resistance properties. This product has resilient mechanical properties.

Application: This gel coat is ready to use by application with airless spray equipment. Mix the product slowly but thoroughly for 10 minutes prior to each shift start up. Apply the correct film thickness. A wet film thickness between 300 to 600µm is required ideally in 3 even passes. Check that the correct level of MEKP is added. A level of 1,8% is recommended. Do not use more than 3% or lower than 1,2% MEKP catalyst. Minimum application temperature : 15°C This product is not designed for use with a roller or brush.

Use Areas: This high performance gel coat is formulated for use in sanitary and marine applications or GRP application where resistance to water and blistering are needed. Offering superior weathering properties for high end parts.

Information provided by Polynt Composites.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.27 - 1.31 g/cc0.0459 - 0.0473 lb/in³
Solids Content 62.1 - 64.5 %62.1 - 64.5 %15mn at 150°C
Viscosity 10000 - 14000 cP10000 - 14000 cPSpindle 4 - 4 rpm
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength 53.0 MPa7690 psiISO 527
Elongation at Break 3.7 %3.7 %ISO 527
 
Thermal PropertiesMetricEnglishComments
Deflection Temperature at 1.8 MPa (264 psi) 65.0 °C149 °FNFT ISO 75
 
Processing PropertiesMetricEnglishComments
Cure Time  15.0 - 25.0 min
@Temperature 25.0 °C
0.250 - 0.417 hour
@Temperature 77.0 °F
Peak time; 200g - 25°C - 1,8% MEKP
 45.0 - 60.0 min
@Temperature 20.0 °C
0.750 - 1.00 hour
@Temperature 68.0 °F
Film cure; 500µ - 20°C - 2% MEKP
Gel Time 8.00 - 11.0 min
@Temperature 25.0 °C
8.00 - 11.0 min
@Temperature 77.0 °F
200g - 25°C - 1,8% MEKP
Shelf Life 4.00 Month4.00 Month
 
Descriptive Properties
Peak Exotherm170-220°C200g - 25°C - 1,8% MEKP
Sag Resistance500 µmwet
Thixotropic Index5-62/20 rpm

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

PPOLYN9234 / 231829

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