Foundry Grade Bentonite Productrs Manufacturer and Supplier : Kutch Minerals Gujarat India

 
All cast iron, steel & malleable iron foundries are almost using Bentonite with cost efficient results, kutch region is famous for a very good sodium Bentonite for casting industries. For continuous mould making also kutch Bentonite is used successfully. Our foundry grade Bentonite powder gives good flow ability. Compact ability and thermal stability for the production of high quality castings.

We maintaining following parameter which help to make high quality castings
  • High gelling time which gives high strength in less mulling time
  • pH Maintaining
  • Active clay maintaining
  • High strength on good compatibility
 

Physical properties

Unit

Protocol

Indounibond

Indoexpobond

Iindomaxbond

Seabond

Base Exchange Capacity

meq/100 gms

IS 12446:1988

110

110

110

110

Methylene blue value

mg of MB/gm

IS 12446:1988

400 + 20

420 + 20

420 + 20

420 + 20

Swelling capacity

cc

IS 12446:1988

30 min

35 min

30 min

35 min

Gelling time

sec

IS 12446:1988

Instantaneous

Instantaneous

Instantaneous

Instantaneous

Gel formation index

ml

IS 6186:1986

80 - 90

85 - 95

80 - 90

85 - 95

pH Value

pH

IS 6186:1986

9.0 - 10.0

9 - 10.2

9.0 - 10.2

9 - 10.5

Liquid Limit

ml/100 gms

IS 12446:1988

800 min

830 min

830 min

850 min

Green compressive 

psi

IS 12446:1988

12

12.5

13

12

Strength using 40/60 

 

 

 

 

 

 

sand in the ratio 10:4 (B:W)

 

 

 

 

 

 

Wet tensile strength (10:4 = B:W)

N/cm2

IS 12446:1988

0.20 - 0.25

0.25 - 0.30

0.20 - 0.25

0.30 - 0.35

Sieve analysis (WET)

 

IS 6186:1986

 

 

 

 

Passing 100 mesh

%

 

99 min

99 min

99 min

99 min

Passing 200 mesh

%

 

90 min

90 min

90 min

90 min