Technical Data Sheet
son J Styrene Free Polyester Gel Coat
Lan Rn eT Premium high temperature system
eee SSS
Description
APG 1750 S is a blend of specially formulated high temperature resins, color pigments, and additives designed to
produce high gloss mold surfaces. APG 1750 S allows for rapid build-up of gel coat and gives hard, durable,
impact and chemical resistant tools and molds. Back-up reinforcement may be applied after a firm gel is obtained.
This normally takes about 75 115 minutes after application. It is most commonly used in high temperature tools
for epoxy infusion, cultured marble molds, thermoforming molds, FRP molds, and RTM mold repair. It contains no
styrene and is low odor.
Properties
e High gloss e Impact and chemical resistant
e Rapid build up e Excellent finishing and machinability
High service temperature Epoxy backing materials bond well
e = Styrene-free
PHYSICAL PROPERTIES .
facet ti [i
Neutral, Orange, or | Colorless | Neutral, Orange, or
Density at 77 F (25 C) 4.30 (10.7) 1.20 (10.00) 4.30 (10.7)
Processing Conditions
Thoroughly blend 100 parts resin with 2 parts catalyst at indicated ratio for 1 to 1 % minutes in a clean dry
container.
Carefully scrape the surfaces while blending to ensure complete mixing and uniformity.
Surface Preparation and Application
APG 1750 S should always be applied to properly prepared surfaces with mold release applied to surfaces as
necessary.
Product is designed to be applied by brush, flow coating or spray (has been successfully applied with an ES
Manufacturing G860 HVLP spray gun at 40-60psi with a 2.5mm nozzle).
For best performance, APG 1750 S should be sprayed in multiple passes of 0.003 0.006 inches (0.07
0.15 mm) film thickness each to a final film thickness of 0.025 inches (0.6 mm). Wait 2 3 minutes between
passes. This technique minimizes air entrapment and pinholes in the gel coat.
Page 1/2- October 6, 2017 US Rev 05
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