Item Appearance Viscosity,mpa.s Vinyl content%（wt) Volatile,% Refractive Index（25℃）

SP703-2 Colorless to light yellow transparent liquid 1500-2000 1.70-2.00 ≤1 1.5250-1.5400

SP0503 Colorless to light yellow transparent liquid 1500左右 1.3 ≤1 1.5150-1.5300

It has better reaction activity in the hydrosilylation reaction., It can improve the effect of toughness when compatibility with other ingredients.

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Item	Appearance	Viscosity,mpa.s	Vinyl content%（wt)	Volatile,%	Refractive Index（25℃）
SP703-2	Colorless to light yellow transparent liquid	1500-2000	1.70-2.00	≤1	1.5250-1.5400
SP0503	Colorless to light yellow transparent liquid	1500左右	1.3	≤1	1.5150-1.5300

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