Copper concentrate quality standard (YB112-82)

This standard applies to copper concentrates obtained through mineral processing, how to sell concentrate powder for copper smelting. 98 fused magnesia

1. Technical requirements:

1) According to the chemical composition of copper concentrate, it is divided into fifteen grades. Calculated according to the grade of dry ore, it should meet the requirements of Table 4.2-1.

2) The water content in the concentrate shall not exceed 14%, and shall not exceed 8% during the heating period.

3) Foreign inclusions must not be mixed into the concentrate.

2, packaging: concentrate for bulk transportation, a small amount can also be packaged. The same grade is a batch.

Lead concentrate quality standard (YB113-82)

This standard is applicable to lead concentrate obtained from ore dressing of sulfide ore type ore for use in lead smelting.

1Technical requirements:

1) According to the chemical composition lead concentrate, it is divided into seven grades. Calculated according to the grade of dry ore, it should meet the requirements of Table 4.2-2.

2) Standards for lead oxide concentrate, lead-tin mixed concentrate, lead-bismuth mixed concentrate and lead-zinc mixed concentrate, which are customized by the enterprise;

3) The water content in the concentrate shall not exceed 12%, and the heating period shall not exceed 8%;

4) Foreign inclusions must not be mixed into the concentrate.

2, packaging: concentrate for bulk transportation, a small amount can also be packaged. The same grade is a batch.

Zinc Concentrate Quality Standard (YB114-82)

This standard is applicable to zinc concentrate obtained from ore dressing of sulfide ore type ore for zinc smelting.

1. Technical requirements:

1) According to the chemical composition of zinc concentrate, it is divided into nine grades. Calculated according to the grade of dry ore, it should meet the requirements of Table 4.2-3;

2) For the nine grades produced by the iron sphalerite type mine, the iron content is allowed to be no more than 18%;

3) The cerium content in the zinc concentrate for zinc smelting process is not more than 0.03%; the tin content in the zinc concentrate for zinc smelting is not more than 0.1%; in the zinc concentrate for direct production of zinc oxide The copper, lead and other content rates are negotiated between the supplier and the buyer;

4) The water content in the concentrate shall not exceed 12%, and the heating period shall not exceed 8%;

5) Foreign inclusions must not be mixed into the concentrate.

2, packaging: concentrate for bulk transportation, a small amount can also be packaged. The same grade is a batch.