硅氧烷消泡劑

Sitech E – 2200 , Sitech E –2201, Sitech  E –2203, Sitech E –2204, Sitech E –2205, Sitech  E –2400, Sitech  E –2401, Sitech  E –2403, Sitech  E –2503

silicone defoamer 硅氧烷消泡劑