ANCHOR SEAL

8/25/10

Product # U2080AK

Urethane- Shore 80A

Features:

Applications:

High elongation

Fabrication of flexible parts

Tough & durable

Electrical encapsulation

Fast rebound

Molds for casting plaster, epoxy

12-16 hour de-mold time

and polyester with deep undercuts

Insensitive to moisture

Skin membranes/animated objects

Black color

Cable end-sealing

Mixing & Curing Instructions:

Mix Ratio:

100 Parts A to 66 Parts B by wt.

Cure Schedule: De-mold Time, 12-16 hours @ 77-100oF.

Actual de-mold time will depend on cure temperature and casting thickness.

Curing will be slower with cooler temperatures or in thin sections.

Full Cure, 5-7 days @ 77oF or

Post Cure, 12 hours @ 150-160oF for maximum properties.

Properties @ 77oF, Uncured:

Pot Life, 100 gram mass, minutes …...………………...……………. 20

Viscosity, A:B Mixed………………………………...………...… 1,300

Viscosity, CPS….………………….…

Part A

2,500 Part B

970

Specific Gravity…………………….…..… Part A 1.09 Part B

1.00

Shelf life, factory sealed cans………………………………… 6 months

Physical Properties @77oF, Cured:

Durometer (Hardness) Shore A…………………………………...… 80

Specific Gravity, grams/CC……………………...………………... 1.03

Pounds per cubic inch.………………...……………

………… 0.037

Color…………………………………………………………

… black

Tensile Strength, PSI…………………………..……………...….. 2,300

Tensile Elongation, %………………………...……………………. 290

Tear Strength, Pli…………………………...……………………… 200

Shrinkage, in/in…………………………...…………………...…. 0.005

-more-

ANCHOR SEAL

Product # U2080AK

Urethane- Shore 80A

IMPORTANT INFORMATION: READ BEFORE USING PRODUCT

Directions for Use: Because of differences in density, pigments and fillers, when present, may separate

from the liquid components during storage. To insure product homogeneity and maximum performance, check the

containers for settling. If settling is evident, loosen any settled pigments from the bottom of the container and

thoroughly mix contents prior to use. Use a metal mixing stick or power mix at slow speed with a drill press and

dispersion blade. This product might crystallize in its shipping container during storage. If it appears hard, or has a

granular consistency, or if it is normally clear but appears cloudy, warm it thoroughly at 120oF to reconstitute.

Allow it to cool back to room temperature, then remix the contents before using.

Measuring: Carefully weigh Part A and Part B components with an accurate scale. If measuring volumetrically, use

precise metering pumps, graduated/pre-marked containers or pre-measured kits. Place the correct proportions of

Part A and Part B into a straight-sided container. Note: Altering the mix ratio from what is specified on the data

sheet is not recommended. Cured properties could be adversely affected.

Mixing: Mix thoroughly with a flat-ended metal stick or a slow speed drill press with a dispersion blade. Scrape the

sides and bottom occasionally to assure a thorough blend. Do not whip excessive air into the mixture. To guard

against partially cured sections, never apply material scraped from the sides of the original mixing container. For

best results, transfer the mixture into a second container and stir it again before application. This will help insure

consistent properties and maximum performance.

De-airing: Low viscosity resins will de-air naturally on their own. Some applications require a totally

air-free product. If a vacuum pump and chamber are used, evacuate the material for 5-15 minutes @ 28-29 inches

of mercury. Allow sufficient space above the liquid for expansion, about four times the liquid volume. Resins

slightly warmed are thinner and will de-air faster. Also, the use of an anti-foam or air-out additive will lower the

surface tension and hasten air release. Caution: Warming a catalyzed mixture will shorten the pot life and decrease

gel time.

Storage: Liquid urethane is sensitive to moisture absorption. After opening, blanket the contents with dry nitrogen

before re-sealing the container.

Handling Cautions: Review the Material Safety Data Sheet before using this product.

Warning: For Industrial Use Only. All chemicals must be handled with care. Avoid breathing fumes, mists and

dust, they could cause respiratory discomfort or damage. Work in a well-ventilated area. Avoid all contact with the

skin. If contact occurs, wash affected area thoroughly with soap and water. Repeated skin contact may cause

dermatitis in susceptible individuals. Wear protective clothing and gloves. Severe irritation will result if this product

is splashed into the eyes. Always wear eye protection. If eye contact occurs, flood eyes with clear water for 15

minutes and immediately seek medical attention. Always maintain good industrial hygiene when using this product.

Notice To Buyer: All information contained herein is believed to be accurate. However, it is the

responsibility of the end user to determine the suitability of this product in his particular application. As the use of

this product by others is beyond our control no warranty whether expressed or implied is made by Anchor-Seal, Inc.

or any of its representatives as to this product’s merchantability or fitness for a particular purpose. Under no

circumstances shall Anchor-Seal, Inc. be liable for incidental consequential or other damages for any reason. The

sole liability of Anchor-Seal, Inc. shall be to refund the purchase price or replace materials deemed to be defective

by us.

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