3350 W. 48th Pl. Chicago, IL 60632-3000. Phone 773-927-3484, FAX 773-650-5853.
Source for liquid thermosets: silicones, moldmaking urethanes, casting plastics, polyester resins, epoxy.
Fiberglass fabrics, release agents, fillers and dyes.
All products available in small quantity.

EP8033 Urethane Casting Resin

GENERAL DESCRIPTION:  EP 8033 is a two-component casting urethane primarily formulated for the manufacture of non-structural or decorative items. EP 8033 provides the following outstanding features:


                (1)           Extremely low viscosity (Water-thin)

                (2)           Convenient 1:1 mix ratio by volume

                (3)           Rapid set time for high productivity

                (4)           Odorless cure      

                (5)           Excellent reproduction of even the finest detail

                (6)           Pleasing light-cream color 

                (7)           Can be painted, stained and finished

                (8)           Tough, break-resistant character                     


Recommended mix ratio is 50 parts of A with 50 parts of B, by volume. This provides a 3 minute pot life, and a 10 to 20 minute cure time. Pot life and cure time will vary depending on temperature, humidity and casting thickness. Urethanes are extremely water sensitive: The slightest moisture that comes into contact with either part A, part B or the curing mixture could may cause incomplete curing and/or foaming. Take the necessary precautions (close the caps on containers tightly; do not blow on curing resin; make sure mold is dry prior to casting).  


The resultant room temperature cured plastic has these properties:


                                Specific Gravity                                    1.04

                                Hardness (Durometer)                         76 D

                                Tensile Strength                                   3,000 psi

                                Elongation                                             10%

                                Shrinkage                                              Negligible

                                Heat Resistance                                   160°F

                                Viscosity                                               75 cps


EP8033 is available in the following sizes:


                                2 Pint Kit                                2 lb

                                2 Quart Kit                             4 lb

                                2 Gallon Kit                           16 lb

                                2 5 Gallon Kit                        80 lb

                                2 55 Gallon Drum Kit            950 lb


Warning:  Uncured product may cause respiratory or skin irritation with possible sensitization. Use only with adequate ventilation. If skin contact occurs, wash thoroughly with soap and water. In case of eye contact, flood with water and call a physician. Use of gloves and face shield is recommended.  This product should not be used near food or where prolonged skin contact may occur.


Disclaimer:  This information is based on sources that we believe to be accurate. It is offered in good faith, but without guarantee, since conditions of use are beyond control. All  risk of use are assumed by the user.


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