viagra cost per pill northwest pharmacy canada sildenafil 20 mg doxy viagra 50mg buy sildenafil levitra online doxycycline 100mg sildenafil 50 mg northwestpharmacy.com healthexpress kamagra fast viagra australia Black Quartz  (Silicon Metal)

Features: 

·        Dry and Clean, no impurity, almost in round shape, it's not sharp.

·        In cubic shape, metallic lustre 

·        Standard  sizes of crushed black quartz : 0.00-0.30mm, 0.30-1.25mm, 1.25-2.50mm & 2.50-4.00mm. 

·        Applications:  quartz slabs, artificial marbles, mechanical, chemical, alloys, electronic, medicine industry etc.

·        Packing : 50 kg. bag or 1.25 Tons Big Bag,

Specifications:

 

Grade

Chemicals  Composition(%)

Si%

Fe%

Al%

Ca%

%(min)

%(max)

Si441#

99

0.40

0.40

0.10

Si553#

98.5

0.50

0.50

0.30

Si2202#

99

0.20

0.20

0.02

Si3303#

99

0.30

0.30

0.03

Size

10-50mm, 50-100mm, 10-100mm, 90%; or at customers’ option.

Packing

In 1MT big bag.