bentonite for casting machinery

Production type: PNa、PCa
Character: The production have good cohesiveness,close water,fire-resistant,plasticly,the chang of salt as well as lubricate etc.
PNa uses: Be suitable for casting industry.The production have good plasticly,So it many stop cast to bring the sand,leave scar,fall the block and landslip etc.As easy making shape,core mouth are high,Casting is wet or dry for metal industry.Moulding strength of cohesireness sand that casting needed.It made from Na-natural benonite or man-mad Na-benonite.
Production technology: It made from natural Na-benonite or man-mad Na-benonite.
PCa uses: Be used in casting industry.The cohesion of moulding sand are widely adopted by light cast.As it is practical and clean sand quickly.So PCa is welcomed by user.
Production technology: It is made from natural Ca-benonite.
Note: The production divided into two kinds.Ca type into three kinds by wet press of strength.

Packing and store:For deilling mud,cate sand and casting etc.Packing in plastic film inner,synthefic sacks outside,two layer or as customer's requirement.
Weight of pakage:25±0.25kg or 50±0.5kg or truck,ship,packing in tub.Ventilate,cool,dry place

Name of products

Name of index

Wet press strenth KPa>

Hot wet strenth KPa>

Granular
(-200mesh)

Moisture %<

Expanding
times≥

Absorb blue ≥

Expanding ≥

Na type

PNa-01

125

3.5

98

13.0

15

36

90

PNa-02

120

3.5

95

13.0

12

36

90

Ca type

Pca-06

50

1.0

98

13.0

6

35

80