Polysilicon

Targray supplies high quality virgin polysilicon from major polysilicon manufacturers in a variety of grades and forms to best suit your monocrystalline and multicrystalline solar wafer production requirements.

Targray can supply you with ultra-pure polysilicon in the form of:

• Chunk
• Granular
• Chip

We also offer secondary grade polysilicon:

• Powder
• Carbon ends
• Discolored polysilicon

In addition, we supply re-melt silicon materials:

• pot scrap
• brick tops and sides
• ingot tops & tails

All polysilicon is shipped in manufacturers' sealed boxes with original labels. We guarantee all of our materials meet the specifications quoted.

We have been supplying our customers with all of their polysilicon and silicon feedstock needs since 2006 from leading polysilicon manufacturers. Contact us today and see how we can help you with all your silicon supply requirements.

Sample Specification for Solar Polysilicon Chip or Chunk
.
Characteristics		Inspection Method	Unit	Value
Specifications
Bulk Element Concentration	Acceptors (B, AL)	LT-FTPL / ASTM 1389 - 00	ppba	<2
	Donors (P, As, Sb)	LT-FTPL / ASTM 1389 - 00	ppba	<1
	Carbon	LT-FTPL / ASTM 1389 - 00	ppma	<1
	Total Metals (Fe, Cu, Ni, Cr, Zn, Na)	NAA	ppbw	<20
Surface Metal Concentration	Fe	CP-MS, GF-AAS	ppbw	<10
	Cu		ppbw	<1
	Ni		ppbw	<1
	Cr		ppbw	<1
	Zn		ppbw	<2
	Na		ppbw	<6

Contact Targray today and we will help you optimize your silicon supply chain.