sodium bentonite

high wet stength no easy gene relerate high ethylene blue adsorbed

Product introduction

This product used in increased the cohesive strength and plasticity of the foundry sand mould ,

 It’s can used in not only cast iron,non-ferrous alloy but also used in cast steel, 

It has high air permeability,high wet strength, and no easy generate sand hole and pore.

item	SLC—1	SLC—2
wet tensile strength ,kPa	≥ 2.5	≥ 2.0
Cation-ExchangeCapacity, g/100g	≥35	≥28
sieving(75μm,),%	≥98	≥90
Moisture (105°C),(%)	≤12	≤13
water absorption(2hr)(%)	≥500	≥300
PH	8-10

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