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7182X ™ formulated Aflas ® for OAT coolant service
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7182X ™ 80 Durometer FEPM
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Description: Excellent long-term, high temperature (220C) service in
aqueous & nonaqueous electrolytes, including organic acid (OAT) coolants.
Outstanding long-term resistance to compressive stress relaxation in
thermally and chemically aggressive environments. Ultra low compression
set.
Physical Properties:
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ASTM Test Method
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Property
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Avg.
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Value
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Min Value
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D412
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Tensile Strength:
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21.0 MPa
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3045 psi
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2800 psi
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Ultimate Elongation:
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130 %
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100 %
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Stress at Elongation:
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- M25
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2.9 MPa
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423 psi
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- - -
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- M50
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6.1 MPa
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888 psi
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550 psi
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- M100
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14.3 MPa
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2075 psi
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1500 psi
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Strain Energy at 20% Strain:
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0.3 MPa
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43 psi
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- - -
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Calculated Shear Modulus, G:
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5.6 MPa
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809 psi
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- - -
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Calculated Young Modulus, E:
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16.7 MPa
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2428 psi
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- - -
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E-secant from the initial slope:
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15.7 MPa
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2282 psi
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- - -
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D624,
Die B
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Tear Strength:
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1.3 MPa
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182 psi
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Max Value
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Min Value
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D2240,
Typ A
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Durometer Hardness:
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84 pts
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78 pts
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D297,
16.3.1
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Specific Gravity:
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1.56
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1.53
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D395, Meth.B:
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COMPRESSION SET:
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-120 O-ring
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-214 O-ring
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(a) Dry Heat
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ASTM Button
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0.103 c/s
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0.139 c/s
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70 hrs @ 200C (392F)
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11%
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- - -
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- - -
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168 hrs @ 200C
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12%
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- - -
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- - -
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336 hrs @ 200C
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14%
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- - -
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- - -
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1000 hrs @ 200C
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- - -
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37%
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32%
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(b) Water-Ethylene Glycol
Nalcool® 3000 (6%) (pH 11.0)
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10 hrs @ 200C
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- - -
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29%
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26%
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100 hrs @ 200C
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- - -
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47%
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40%
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10000 hrs @ 200C
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- - -
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58%
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57%
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D865
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DRY HEAT AGING:
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Tensile Chg
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Elongation Chg
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Durometer Chg
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70 hrs @ 200C
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7%
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16%
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0
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1000 hrs @ 200C
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-2%
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42%
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-4 pts
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SEALS EASTERN
MOLDING SUCCESS FOR 50 YEARS.
ISO 9001:2008 CERTIFIED - BVQi (NA), Inc.
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FastDash ™ is a trademark of Seals Eastern, Inc.;
OringOnline ® is a registered trademark of Seals Eastern, Inc.;
7182 ™ is a trademark of Seals Eastern, Inc.;
AFLAS ® is a registered trademark of Asahi Glass Co., Ltd.;
Viton ® is a registered trademark of Dupont Performance Elastomers, LLC.
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