DMS 2221 TYPE 1 DMQR 176C (88)

Silicone, Elastomer

GRADE  10203040506070ASTM  
As Received
Hardness, Type A Durometer ± 5 pts 10203040506070D 2240
Tensile Strength psi Min. 20080010001000110011001100D 412
Elongation, Ultimate % Min 600600600500500400400D 412
Tensile Stress at 400% (or as qualified) Elongation +/-25%psi D 412
Tear Resistance, Die B with Grain ppi Min. 25100140140140140160D 624
Density gm/cm3 Qual Value ±0.03 D 297
Burn Resistance: DMS 1505 RequirementsPass DMS 1505
Compression Set -
After 22 ± 0.5 hrs at 302 ± 5°F (150 ± 3°C)
25% deflection% Max. 40404040404040
Oven Aging D 573
22 ± 0.5 hours at 395 ±9°F (200 ± 5°C)
Change in Hardness+5,-0 pts
Change in Tensile Strength (1)% Max -15-15-15-10-10-15-15
Change in Elongation% Max -10-10-15-15-15-20-20
DMS 2014, Type 4, Class 2

22 ± 0.5 hours at 158 ± 2°F
Change in hardness pts+0,-5+0,-10+0,-10+0,-10+0,-10+0,-10+0,-10
Change in Volume
%+15,-0+15,-0+15,-0+15,-0+15,-0+15,-0+15,-0
ASTM No,1 Oil
22 ± 0.5 hours at 302 ± 5°F
(150 ± 3°C)
Change in hardness pts+0,-5+0,-10+0,-10+0,-10+0,-10+0,-10+0,-10
Change in Volume %+15,-0+15,-0+15,-0+15,-0+15,-0+15,-0+15,-0
Water; 22 ± 0.5 hours at 212
± 5°F (100°± 3°C)
Change in Volume % +5,-0
Low Temperature Brittleness
10 minutes at -80°F (-62°C)
No Breaks or CracksD 2137
Method A
Corrosion of MetalSee Para. 4.5.1