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POLYCOR® TOP COAT BR WHITE 9199

1 of 63 products in this brand
POLYCOR® TOP COAT BR WHITE 9199 - A pre-accelerated top coat based on Isophthalic unsaturated polyester resin. It is cured using MEKP peroxide.This TOP COAT product is formulated to be applied to the back surface of laminates to provide a tack free surface finish. It should not be used as a gel coat. This topcoat is formulated to meet the rigid requirements of transportation,boating and sanitary applications.

Functions: Surface Finish

Color: Custom, Off White, Transparent, White

Features: Good Mechanical Properties, Improved Mechanical Properties

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Features & Benefits

Materials Features

Applications & Uses

Application Method
Application Method

This top coat is ready to use by application with a brush. 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 working with a brush to ensure a level even thickness of 500 micron 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 spray gun.

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Elongation at break3,8%ISO 527
Tensile strength59MPa
H.D.T (NFT ISO 75)54°C
Typical Properties
ValueUnitsTest Method / Conditions
Density1,05 - 1,26
Thixotropic Index (5/50 rpm)3,8 - 4,4
Sag Resistance500μm - wet
ColorDepends colour
Hide depends colour700 - 900μm - wet
Viscosity (25°C - Spindle 5-5 rpm)210 - 260dPa.s
Solid Content (15mn at 150°C)65 - 71%
Cured Properties
ValueUnitsTest Method / Conditions
Peak Time (200g - 25°C - 1,8% MEKP)15 - 25mn
Peak exotherm (°C) (200g - 25°C - 1,8% MEKP)160 - 190
Gel Time (200g - 25°C - 1,8% MEKP)8-13mn
Film cure (500μ - 20°C - 2% MEKP)45 - 80mn

Storage & Handling

Storage and Shelf Life

Shelf-life :

4 Months .

Storage :

When the product is sealed in its original packing, stored indoors away from direct sunlight and direct heat sources and ideally at ambient temperature between 15°C and 25°C .