国产精品一区二区69,久热国产精品视频

Item	Appearance	Viscosity,mpa.s	Hydrogen content%（wt)	Volatile,%	Refractive Index（25℃）
SH303-2B	Colorless to light yellow transparent liquid	6500-6800	0.22-0.25	≤1	1.5250-1.5400
SH303-2C	Colorless to light yellow transparent liquid	2700-3800	0.22-0.26	≤1	1.5310-1.5360
SH305	Colorless to light yellow transparent liquid	40-80	0.46-0.52	≤1	1.4910-1.4950

Characteristic:

It is Phenyl Hydrogen Silicone Resin series.Used as the curing agent of LED rubber and Electronic and electric encapsulation rubber. It has good intermiscibility with phenyl vinyl silicone resin,no effect on the refractive index and the light transmittance.

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RH-SH303-2B RH-SH303-2C RH-SH305

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Characteristic:

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