Silicone
MQ, PVMQ, VMQ or SILICONE RUBBER.
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Excellent resistance to heat (dry air), at +200º C continuous and +220º C intermittent.
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Remains flexible at low temperatures of -70ºC.
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Resistant to ultra-violet light, ozone and weathering.
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Exhibits low flammability and low smoke toxicity.
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Good electrical insulation properties.
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Silicone rubber is physiologically inert, thus making it the preferred choice of the medical, pharmaceutical and food processing industries.
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Silicones have comparatively low mechanical properties, tensile strength, elongation and tear strength, however they keep constant even at high temperatures but should not be used with high pressure steam.
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Resistance to chemicals; its resistance to oils and hydrocarbon products is fairly limited and similar to that of Chloroprene rubbers. Reasonable resistance to a whole range of general chemical products, but acids, alkalis, esters and ketone should be avoided.
| Ref. |
Specific Gravity |
Hardness |
Tens. Stren. |
Elong. |
Tear. Stren |
Compres. Set |
Working
Temp. |
| |
g/cm3 |
Shore A |
M Pa |
% |
N/mm |
C |
h |
% |
º C |
| SC01 Translucent |
1,16 |
60 |
7,5 |
300 |
20 |
70 |
22 |
40 |
-70/200 |
| S661 White |
1,30 |
60 |
7,5 |
300 |
17 |
70 |
22 |
45 |
-70/200 |
| SC02 Red |
1,30 |
60 |
7,5 |
300 |
17 |
70 |
22 |
45 |
-70/200 |
| S6A0 Transparent |
1,18 |
60 |
9 |
350 |
20 |
175 |
24 |
30 |
-60/200 |
The current technical information has been carefully checked and given in good faith but it is not exempted from possible typing errors.
Historically, compounds have different commercial names in each market.
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