MBS Impact Modifier performance
Impact modifier MBS is a ternary copolymer consisted of Methyl Methacrylate, 1,3-Butadiene and Styrene. mbs impact modifier is similar refractive index with PVC resin to improve its impact strength.MBS modifier is mainly used for PVC transparent products
The quality indicators
Item Indicators Appearance White powder Particle size (20 mesh standard sieve through rate) (%) ≥ 98 Volatile matter ( % ) ≤ 1.0 Apparent density (g/cm3) 0.25—0.50
Impact modifier MBS mainly used for rigid PVC film, sheet, pellets, pipe fittings and other products.
The recommended dosage
Title of the production Film Sheet Pellets Pipe Fittings Recommended dosage (per 100 parts PVC) 4-6 4-6 5-8 5-8 5-8