Acetal Products

Acetals

Acetron Data Sheet

MECHANICAL PROPERTIES
ENGLISH VALUES
COMMENTS
METRIC VALUES
Specific Gravity
1.41
ASTM D792
1.41
Tensile Strength, psi
9500
ASTM D638
66 MPa
Tensile Modulus, psi
400000
ASTM D638
2,758 MPa
Elongation, %
30
ASTM D638
30 %
Flexural Strength, psi
12000
ASTM D790
83 MPa
Flexural Modulus, psi
400000
ASTM D790
2,758 MPa
Shear Strength, psi
8000
ASTM D732
55 MPa
Compressive Strength, psi
15000
ASTM D695, 10% Def.
103 MPa
Compressive Modulus, psi
400000
ASTM D695
2,758 MPa
Hardness, Rockwell M
88
ASTM D785
88
Hardness, Rockwell R
120
ASTM D785
120
Hardness, Durometer, Shore D Scale
85
ASTM D2240
85
Izod Impact (Notched), ft-lb/in
1
ASTM D256 Type A
53 J/m
Coefficient of Friction, Dynamic
0.25
Dry vs. Steel, PTM55007
0.25
Limiting PV, psi-fpm
2700
PTM55007
0.09 MPa-m/sec
k (wear) factor, 10-10in3-min/lb-ft-hr
200
PTM55007
200 10-10in3-min/lb-ft-hr
THERMAL PROPERTIES
ENGLISH VALUES
COMMENTS
METRIC VALUES
Coefficient of Thermal Expansion, 10E-4/°F
0.54
ASTM E831 (TMA)
0.97 10-4/K
Deflection Temperature 264 psi, ºF
220
ASTM D648
104 °C
Melting Point (Crystalline) Peak, °F
335
ASTM D3418
168 °C
Continuous Service in Air (Max), °F
180
Without Load
82 °C
Thermal Conductivity, BTU-in/hr-ft²-°F
1.6

0.23 W/m-K
ELECTRICAL PROPERTIES
VALUES
COMMENTS
METRIC VALUES
Dielectric Strength, Short Term, Volts/mil
420
ASTM D149(2)
17 kV/mm
Surface Resistance, Ohm/Square
1E+15
EOS/ESD S11.11
1E+15 Ohm/Square
Dielectric Constant, 1 MHz
3.8
ASTM D150(2)
3.8
Dissipation Factor, 1 MHz
0.005
ASTM D150(2)
0.005
CHEMICAL PROPERTIES
ENGLISH VALUES
COMMENTS
METRIC VALUES
Water Absorption Immersion, 24 hr., %
0.2
ASTM D570
0.2 %
Water Absorption Immersion Sat, %
0.9
ASTM D570
0.9 %
Acids, Weak (acetic, dilute HCl)
2
Limited Service
2
Acids, Strong (conc. HCl or sulfuric)
1
Unnacceptable
1
Alkalies, Weak (dilute NaOH)
3
Acceptable Service
3
Alkalies, Strong (conc. NaOH)
1
Unnacceptable
1
Hydrocarbons, Aromatic (toluene)
3
Acceptable Service
3
Hydrocarbons, Aliphatic (gasoline)
3
Acceptable Service
3
Ketones, Esters (acetone)
3
Acceptable Service
3
Ethers (diethyl ether, THF)
3
Acceptable Service
3
Chlorinated Solvents (methylene chloride)
2
Limited Service
2
Alcohols (methanol, anti-freeze)
3
Acceptable Service
3
Inorganic Salt Solutions (NaCl, KCl)
3
Acceptable Service
3
Continuous Sunlight
2
Limited Service
2
Steam
2
Limited Service
2
COMPLIANCE
ENGLISH VALUES
COMMENTS
METRIC VALUES
Flammability, UL94 (5=V-0; 4=V-1; 3=V-2; 1=HB)
1 (HB)
UL94
1
 

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