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Foundery Bentonite 

Sinobond Super is a fully modified bentonite by soda ash activation process. The bentonite is characterized by high montmorillonite, optimum performance in green sand system and ideally suitable for ferrous and nonferrous foundries.

Performances Features of Sinobond Super:

— High green bond potential, rapid rate of bond development

— Excellent mould ability and good flow ability, wide moisture tolerance

— Minimizes sand expansion defects

— Good shakeout

Physical Characteristics

Item

Specification

Typical Analysis

Methylene Blue Absorption

35g/ 100g min.

38 g/ 100g

Montmorillonite Content

80 % min.

85 %

Residue on 0.075 mm sieve

20 % max.

20 % max.

Moisture

8-12 %

8-12 %

 

Foundry Characteristics

Item

Specification

Typical Analysis

Green Compression Strength

12.0 N/cm2 min.

13.5 N/cm2

Wet Tensile Strength

0.35 N/cm2 min.

0.45 N/cm2

Thermal Stability (30 min. at 550)

8.0 N/cm2 min.

9.0 N/cm2


 
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