calcium carbonate for rigid plastic 1)Usage: injection mould, extrusion and injecting mould, PVC profile and pipe Suitable for the modification of PVC, PP, PE, ABS and HIPS Special good for use for making filler Master batch 2)Specifications: Appearance: white powder CaCO3,% ≥ 98.28 PH 9.67 105<sup>o</sup>C Volatile,% ≤ 0.24 Average grain size,μm ≤ 1.95 Sieve residue 325 mesh(%) None Brightness(R457,powder),% ≥ 95.3 Activity, % ≥ 99 Subsidence Value ml/g ≥ 2.6 Oil absorption number (DOP),ml/100g ≤ 35 Effects and benefits: in rigid PVC products, it can accelerate gelation, enhance cold impact strength, eliminate plate out, and improve surface gloss. |