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.
Product use
Use in the machine casting, it can foundry sand, binder , it’s can get over sand inclusion and peeling in the foundry, bring down the rejection rate of the casting parts and warranty the precision and degree of finish.
Technical Parameters
|
Item
|
Index
|
|
|
LFO—1
|
LFO—2
|
|
|
Wet tensile strength,kPa
|
≥ 2.5
|
≥ 2.0
|
|
Cation-ExchangeCapacity g/100g
|
≥35
|
≥28
|
|
Sieving (75μm) %
|
≥98
|
≥90
|
|
Moisture(105℃) (%)
|
≤8
|
≤8
|
|
Water absorption(2hr)(%)
|
≥500
|
≥300
|
|
PH
|
8-10
|
|