WEIGHT CHART OF POM-POLYACETAL RODS
PROPERTY ASTM POM-POLYACETAL
Specific gravity D792 1.41
P.S.I. Tensile Strength D638 8800
% Elongation D638 40.75
P.S.I. Comprehensive Strength D695 16000 (10% defl.)
Impact Strength(1/2x1/2 in. notched) D256 1.0-1.5 (1/2x1/2inbar)
Hardness Rockwell D785 M78-M80
105 P.S.I. 730 F Flexural Modules D790 3.75
Coefficient of friction -- 0.18
-104 cal sec cm3 C cm Thermal conductivity C177 5.5
Thermal expansion 105per 0C D696 8.5
Resistance to heat0C (Continuous) -- 800 C
1200 C
- cm (23 0C50%) Volume resistivity D257  10 x 1014
1/8 in thickness volts mil Dielectric strength D149  500 (90mil)
1 KHz Dielectric constant D150 3.7 
1 KHz Dissipation (power) factor D150 0.0010 (40mil)  
24/j3.2 mm % water absorption 24hr. 3.2 thickness, % D150 0.22 
in mm Burning rate D570 1.0 - 1.1 
Effect of weak acids D635 Resistant to some 
Effect of strong acids D543 Attacked 
Effect of weak alkalies D543 Attacked
Effect of strong alkalies D543 Attacked 
Effect of organic solvents D543 Excellent resistance to practically all solvents.