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燃燒的靈魂

2007-01-23 16:55

尋找硅膠。用在投影儀的光學(xué)元件上。

參數(shù)參考
Curing
Pre-cure: 100oC for 15 minutes
Full cure: 100oC for 1 hour (minimum)
Use clean curing oven with no residue volatile materials containing sulfur, nitrogen and tin

Mechanical Data
1. Tensile strength: 800 psi (min)
2. Lap shear strength: 250 psi (min)
3. Elongation: 80% (min)
4. Hardness: 50 Shore D

Thermal and Optical Data:
1. Working temperature range: -40oC – 230oC
2. Decomposition temperature: onset at 3000C (by TGA)
3. No change in modulus with temperature
4. CTE ~ 200 ppm/oC
5. Refractive index: 1.43