HOME » HYBRID TOOLING » SIlicones & Urethane Rubbers

15 SHORE A
Great for impact absorbing pads or protective surfaces. Download pdf

25 SHORE A
Great for undercut parts that are to be used as gaskets or seals. Download pdf

30 SHORE A
Great for parts with undercut geometry; also works well as an absorbent bumper or cable connector seal. Download pdf

42 SHORE A
Great for bumpers and pads. Also works very well for as an overmold
rubber. Download pdf

55 SHORE A
A Good choice for shock absorbing parts or tires. Download pdf

60 SHORE A
Our most popular choice for an overmolded rubber. Download pdf

65 SHORE A
For parts a little harder than our 60 Shore A, but has a higher shrinkage rate and longer cure time. Download pdf

70 SHORE A
Great for mechanical parts and models, vibration dampeners and wheels. Very good choice for grommets, antenna or rubber feet applications. Download pdf

80 SHORE A
Good choice for antennas and for a more rigid feeling keypad, but not as good for color matching as 70 SHORE A. Download pdf

85 SHORE A
Still considered a "shock-absorbing" durometer, but is not as easily color-matched as 70 or 90 Shore A. Download pdf

90 SHORE A
Very good elongation makes this product perfect for antennas, grommets, abrasion resistant parts and linings, bumpers, rails, paper feed rollers, holding fixtures and other hard rubber applications. Download pdf

60A Silicones*

*Please contact your Project Coordinator for available silicones for casting applications.

Technical Data (Comparison Chart)

PHYSICAL PROPERTIES
PROPERTIES Units ASTM 15 SHORE A 25 SHORE A 30 SHORE A 42 SHORE A 55 SHORE A 60 SHORE A 65 SHORE A 70 SHORE A 80 SHORE A 85 SHORE A 90 SHORE A
Appearance     color match color match color match color match color match color match color match color match color match color match color match
Hardness, SHORE A   D2240 13-17 25 30+/-2 42+/-2 55+/-2 60+/-2 65+/-2 70+/-2 80+/-2 85+/-2 90+/-2
Specific Gravity g/cc D792 1.00 1.03 1.04 1.07 1.08 1.06 1.07 1.05 1.08 1.08 1.08
Elongation % D412 850 1,100 1,000 1,080 530 300 515 315 377 275 440
Tear Strength pli D624 25 45 40 65 98 57 125 87 131 180 300
Shrinkage, Linear in/in D2566 0.008 0.009 0.004 0.005 0.005   0.005 0.002 0.005 0.003 0.007
Tensile Strength psi D412 240 345 425 735 890 685 1,200 940 1,900 2,500 3,000
Tensile Modulus @100%   D412   52     261 312 377 430      
@200%       93     404 497 575 660      
@300%       132     546 623 764 900      
last updated:02.13.07