Min. Order Reference FOB Price
25 kg US$2.00-6.00 / kg
Product Description
Hydrophobic Fumed Silica IOTA HB4139 HB-4139 is hydrophobic fumed silica which is produced by HL-4200 after chemical post-treatment with PMDS (Polydimethylsiloxane). Specification IOTA HB4139 Specific sunface area(BET), m2/g 110 pH value in 4% dispersion 5.5~7.5 Loss on drying(2 hours at ...