Interplastic Corporation makes no warranties regarding any material and/or samples described in this report. All properties specified above are
approximate and may vary from material delivered. Delivered material complies with the Certificate of Analysis on each shipment of product.
Interplastic Corporation makes no representations of fact regarding the material except those specified above. Final determination of part or
application and the suitability of the material for the use contemplated is the sole responsibility of the buyer. Our technical sales
representatives will assist in developing procedures to fit individual requirements as a customer accommodation, but all advice is accepted at
your risk and should be checked for suitability to your particular processes and needs. These test data and properties are based on results
obtained for a specific material under the specified test conditions. They are not to be used as specifications and are not warranted as
performance attributes for any product or system.
INTERPLASTIC CORPORAT ION
2015 Northeast Broadway Street
Minneapolis, Minnesota 55413-1775
651.481.6860 Fax 612.331.4235
www.interplastic.com
Revised: 12/20
COR75-AQ-470W is a promoted, thixotropic, low HAP, corrosion resistant, isophthalic polyester resin. It is made from the
same polyester resin used to manufacture SIL45BA-2541. It is designed to be filled with 30% calcium sulfate.
COR75-AQ-470W is manufactured from ingredients listed as acceptable in FDA Code of Federal Regulation Title 21,
CFR 177.2420.
FEATURES BENEFITS
Fast Hardness Development Good cycle times and dimensional stability
Corrosion Resistance Works in a variety of environments
Fast Fiberglass Wet-Out and Adhesion Easy roll-out and high laminate physical properties
Excellent Physical Strengths and High Heat
Distortion Resistance
Composites resist fatigue
RELATED PRODUCTS GEL TIME
COR75-AQ-470 20-24 Minutes
COR75-AQ-470W 10-14 Minutes
LIQUID PROPERTIES RESULTS
Viscosity, Brookfield Model LV #3 Spindle @ 60 rpm, 77 F (25 C), cPs 375-475
Thixotropic Index 2.9-3.7
100 grams resin @ 77 F (25 C), initiated with 2.0% MEKP-925 by volume *
Gel Time, min:sec 10:00-14:00
Gel to Peak Exotherm Time, min:sec 6:00-12:00
Peak Exotherm 400-460 F (204-238 C)
Non-Volatile Content, % 46.0-49.0
Maximum Hazardous Air Pollutant (Styrene) Content, % 45
Specific Gravity 1.03-1.09
TYPICAL PROPERTIES
Thickness 1/8 inch (3.2 mm) Casting 1/8 inch (3.2 mm) Laminate
Construction Not Applicable 4 Plies 1.5 oz/ft
2
, 25% Glass Mat
Flexural Strength, ASTM D790 17,600 psi 121 MPa 19,000 psi 131 MPa
Flexural Modulus, ASTM D790 5.2 x 10
5
psi 3,593 MPa 9.1 x 10
5
psi 6,276 MPa
Tensile Strength, ASTM D638 8,630 psi 60 MPa 12,800 psi 88 MPa
Tensile Modulus, ASTM D638 5.2 x 10
5
psi 3,655 MPa 11.5 x 10
5
psi 7,931 MPa
Tensile Elongation, ASTM D638 1.9 % 1.9 % 2.2 % 2.2 %
Barcol Hardness, 934-1 gauge, ASTM D2583 42-44 42-44 42-44 42-44
Heat Distortion Temperature, ASTM D648 243 F 117 C — F — C
* Gel time and reactivity will vary due to the type and concentration of Free Radical Initiator (catalyst), shop temperature, humidity, and type of fillers used. In order to meet
your individual needs, consult our technical sales representative for assistance.
COR75-AQ-470W
Isophthalic Corrosion Resin
Technical Data Sheet