Natural heavy calcium carbonate
Technical parameter:
Name & parameter model
Specification
Itemnatural heavy calcium carbonate
Sn-1043
Caco3 content (dry basis), % 94
Ph(10% soliquit)8-10
Insoluble substance in hydrochloric acid, % 1.5
Moisture content, % 0.2
Bulk density, g/cm3 1.09
Top cut(d98), m 42
Average grain(d50), m 19
Fe, % 0.050
Mn, % 0.0060
Residuesú¦ 325m, %
125m, % 0
2.5
Whiteness(r457), % 92
Absorption oil number (dop), ml/100g 33
Appearancepowder
Usageú¦
Injection mould, extrusion & injecting mould, pvc profile & pipe, frp etc. Suitable for the modification of pvc, pp, pe, abs and hips. Fillers of paintóprint inkóplasticórubberóadhesivesópharmacyófodderópaper-makingópolyethylene(pe)ópolypropylene(pp)óabsóbuilding materialú¼etc.
Characteristicú¦
Identical grain size ólow oil absorption value.
To reduce the cost of products ; to make products have good foamed effect.
To enhance hardnessórigidityósize stability ófire-retardantnessóglossiness of products.
In rigid pvc products, it can accelerate gelation, enhance cold impact strength, eliminate plate out, and improve surface gloss.



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