Listing ID #1705266
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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
We are making foundry grade Bentonite powder as per customers specification.
| 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 | 400 + 20 | 400 + 20 | 400 + 20 |
| Swelling capacity | cc | IS 12446:1988 | 30 min | 30 min | 30 min | 30 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 - 10.2 | 9 - 10.5 |
| Liquid Limit | ml/100 gms | IS 12446:1988 | 800 min | 830 min | 830 min | 830 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 |
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