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1. ballpoint and gel-ink pen lead, refills

various models of ballpoint and gel-ink pen lead to meet different market demands.And the products are sold to various places of the country, having obtained favorable comments from customers.

2. D-GLUCOSAMINE SULFATE

Appearance white free flowing powder
Assay 96%-104%
Loss on drying ≤0.5%
Ash 26.5~29.6%
[a] 2 0D 49~55°
Iron ≤10ppm
Pb ≤10ppm
PH 3.5-5.0
E.Coli Negative
Samonella Negative

Price: USD15.50/kg FOB China
Package: 25kg/drum

3. 1,3-Dimethyl-2-imidazolidinone

Chemical formula: C5H10N2O CAS No. 80-73-9
MW : 114.15
Purity : 99 % (Capillary gas Chromatography)
MP : 8.2℃
BP : 225 – 226℃ , 106 – 108℃/17mm
Relative density : d20/4: 1.05 – 1.06
Refractive index : 1.4720
Appearance ...

4. 4,4′-Diamino Diphenyl

Name of product：4,4′-Diamino Diphenyl Ether
CAS NO.101-80-4，
Batch NO 20050425，
Description： white crystalline powder
Assay ： 99.5%
MP ≥190.3
Polymerigation test： Soft film

5. Downhole Temperature and Pressure Measuring Gauge

ntroduction
The Downhole Temperature and Pressure Measuring Gauge of Electric sub-mersible Pump is a set of highly precise and digital data collecting & processing system. Combining with Electric sub-mersible Pump, it makes up a complete set ...