| 燃烧的灵魂 |
2007-01-23 16:55 |
寻找硅胶。用在投影仪的光学元件上。
参数参考 I+Fr #1
Curing EkN >5).
Pre-cure: 100oC for 15 minutes Io_7
Full cure: 100oC for 1 hour (minimum) W*4!A\K
Use clean curing oven with no residue volatile materials containing sulfur, nitrogen and tin (Pt*|@i2 c
^^)\| kW?
Mechanical Data <R#:K7> O
1. Tensile strength: 800 psi (min)
"M]`>eixL
2. Lap shear strength: 250 psi (min) MpJx>0j/J
3. Elongation: 80% (min) u)ZZ /|
4. Hardness: 50 Shore D bHHR^*B
a6o p
Thermal and Optical Data: 8EI& }I
1. Working temperature range: -40oC – 230oC b55 G1w
2. Decomposition temperature: onset at 3000C (by TGA) a\I`:RO=<Z
3. No change in modulus with temperature I]ol[
X0S
4. CTE ~ 200 ppm/oC Fd9Z7C
5. Refractive index: 1.43 0 61 f
6. Transmittance(%) >90 @260-700nm m$q*
Je`
w/Hl/U
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