Our Products
“PihKol” is a potent Carbonaceous Green Sand Additive, developed to replace conventional Coal Dust for imparting finish to castings.

“PihKol” is based on selected Low Ash, High Lustrous Carbon donating carbonaceous material.

“PihKol” has adequate Lustrous Carbon Donning capacity ensuring a proper non wetting barrier between Metal and Mold, giving good peel off to castings, resulting in:
  • Retention of sand in the system it self
  • Lowered WIP in the cleaning of castings
  • Reduced Shot Blasting time
PihKol-B

The induction and development of "PihKol" B was to cater to specific demands of certain very discerning foundries, where the addition rates has been reported lower by between 20 to 50% as compared to normal PihKol, while ensuring better or similar peel off.

This lowered addition rates enabled the foundries to reduce friability of sand, thus, decreasing the possibilities of sand erosion/sand inclusion in castings as well as imparting better finish.
The “PihKol” Series:
Specifications   PihKol C
:- 57+ 5 % 63+ 5 % 55+ 5% 68+ 5%
:- 7% Max. 7% Max. 7% Max. 7% Max.
:- By Difference By Difference By Difference By Difference

The Goyal Group offer tailor made solutions as and when deemed necessary.

Usage :
Addition generally varies from 0.2 to 0.5% of the sand mixed.

The various factors to be considered (among them are):

  • Sand : Metal Ratio
  • Burn out of the additive
  • L0I requirements based on the size, section thickness & heat content of castings

Note:

“PihKol” is not self igniting

    Packing :
  • 25kg / 50kg HDPE Bags.
  • 500kg /1000 kg Jumbo Bags.


















Storage:
Keep in covered place away from moisture and flames. Store in stacks of 2mtrs high maximum. During storage ensure that any other carbonaceous material is stacked such that, at least 1 mtr. gap is maintained. Ensure storage of only sealed bags while stacking.

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