Specialty Chemicals

  • 01
    Ammonium Hydroxide
Item Specification
Packing Configuration 190 LTR / 164 kg
Users Etch / Diffusion
Shelf Life 12 months
Storage Temperature 85 F max
Assay 28.0 – 30.0%
Color 5 max Hazen
Carbonate (as CO2) 3 ppm max
Substances Reducing Permanganate (KMnO4) 1 ppm max
Residue after ignition (SO4) 2 ppm max
Chloride (Cl-) 100 ppb max
Nitrate (NO3-) 200 ppb max
Phosphate (PO43-) 50 ppb max
Sulfate (SO42-) 100 ppb max
Silicate (as Si) 100 ppb max
Particles (> 0.5 μm) 5 pcs/mL max
Particles (> 0.2 μm) 125 pcs/mL max
  • 02
    Hydrochloric Acid
Item Specification
Package Configuration 195 LTR / 223 kg
Users Diffusion
Shelf Life 12 months
Storage Temperature 90 F max
Assay 35 – 37%
Color 5 max Hazen
Free Halogen as Cl2 0.1 ppm max
Residue after ignition 0.5 ppm max
Sub. reducing iodine (as SO3 ) 0.5 ppm max
Bromide (Br-) 5.0 ppm max
Non-volatile matter 0.5 ppm max
Nitrate (NO3-) 0.1 ppm max
Ammonium (NH4+) 0.5 ppm max
Phosphate (PO43-) 10 ppb max
Sulfate 50 ppb max
Particles (>=0.5 um) 5 particles/mL max
Particles (>=0.2 um) 100 particles/mL max
  • 03
    Hydrogen Fluoride
Item Specification
Package Configuration 188 LTR
Users Etch & Diffusion
Shelf Life 12 months
Storage Temperature 100 F Max
Assay 48.8 – 49.2%
Color 5 max (APHA)
Fluorosilicic Acid 20 ppm max
Chloride 10 ppb max
Nitrate as NO3 10 ppb max
Phosphate 10 ppb max
Sulfate and Sulfite 10 ppb max
Particles (> 0.2 mm) 30 particle/mL max
  • 04
    Hydrogen Peroxide
Item Specification
Package Configuration 189.29LTR
Users Clean & CMP
Shelf Life 12 months
Storage Temperature 100 F max
Assay 30.0 – 32.0%
Color 10 max Hazen
Free Acid 10 ppm max
Chloride 20 ppb max
Sulfate 20 ppb max
Phosphate 20 ppb max
Nitrate 100 ppb max
Particles (> 0.2 μm) 200 particle/mL max
  • 05
    Isopropyl Alcohol
Item Specification
Package Configuration 188.5 LTR / 146 kg
Users CleanTech
Shelf Life 12 months
Storage Temperature 100 F max
Assay 99.9% min
Color by APHA 5 max Hazen
Residue After Evaporation 1 ppm max
Percent Water 200 ppm max
Chloride (Cl-) 50 ppb max
Phosphate (PO43-) 50 ppb max
Sulphate(SO42-) 50 ppb max
Nitrate(NO3-) 50 ppb max
n-propanol 10 ppm max
Free Acid 10 ppm max
Particles (> 0.5 μm) 20 particles/mL max
Particles (> 0.2 μm) 100 particles/mL max
 
  • 06
    Sulfuric Acid
Item Specification
Packaging Configuration 190 LTR
Users Clean
Shelf Life Per vendor specified
Storage Temperature 100F max
Assay 95.0 – 97.0%
Color 5 max Hazen
Residue after ignition 1 ppm max
Substance Reducing Potassium Permanganate (KMnO4) 1 ppm max
Chloride (Cl-) 50 ppb max
Nitrate (NO3-) 100 ppb max
Phosphate (PO43-) 100 ppb max
Ammonium (NH4+) 100 ppb max
Particles (> 0.5 mm) 20 pcs/mL max
Particles (> 0.2 mm) 200 pcs/mL max
  • 07
    Phosphoric Acid
Item Specification
Packaging Configuration 178 LTR
User Clean
Shelf Life 12 months
Storage Temperature 65F- 100F
Assay 84% – 86%
Color 10 max Hazen
Reducing Substances (H3PO3) 25 ppm
Sulfate 2000 ppb max
Particles (> 0.5 μm) 50 pcs/mL max
 
  • 08
    Nitric Acid
Item Specification
Packaging Configuration 177.3 LTR
Users Diffusion
Shelf Life 6 months
Storage Temperature 100 F max
Assay 68.9 – 69.9%
Color N/A
Chloride (Cl) 0.01 ppm max
Phosphate (PO4) 0.05 ppm max
Sulfate (SO4) 0.05 ppm max
Particles (> 0.5 μm) 10 particles/mL max
Particles (> 0.3 μm) 50 particles/mL max
Particles (> 0.2 μm) 200 particles/mL max
  • 09
    Sodium Hydroxide
Item Specification
Assay ( acidimetric ) 49 – 51%
Color ( Hazen ) 10 max
Carbonate ( as NA2CO3 ) 0.2% max
Insoluble matters 20 ppm max
Chloride ( Cl ) 5 ppm max
Phosphate ( PO4 ) 1 ppm max
Silicate ( SiO2 ) 10 ppm max
Sulfate ( SO4 ) 5 ppm max
Total Nitrogen ( N ) 1 ppm max
Heavy metal ( as Pb ) 2 ppm max
Al ( Aluminium ) 5 ppm max
Ca ( Calcium ) 3 ppm max
Cu ( Copper ) 1 ppm max
Fe ( Iron ) 3 ppm max
Hg ( Mercury ) 0.2 ppm max
K ( Pottasium ) 200 ppm max
Mg ( Magnesium ) 0.5 ppm max
Ni ( Nickel ) 3 ppm max
Pb ( Lead ) 2 ppm max
  • 10
    Ammonia
Item Specification
Grade 5.5
Purity > 99.9995%
Carbon Monoxide < 0.1 ppm
Methane < 0.5 ppm
Nitrogen < 1 ppm
Oxygen < 0.5 ppm
Water < 3 ppm
Shelf Life 24 months
Cylinder Size Option Steel 44L Steel Y
Cylinder Connection DISS 720
RFO Optional
ASV No
Special Conditions N/A
Contact us for detailed specification, pricing and delivery process
  • 11
    Chemical Distribution by STI
Chemical Delivery System

Applications

  • Bulk chemical supply for semiconductor and FPD (TFT LCD, PDP, OLED)
  • Supply of acid, alkali and solvent
  • Compatible for the drum charge system and the  tank lorry charge system

Features

  • Turnkey Package
    1. Chemical delivery module
    2. Piping, cabling (signal)
    3. Valve manifold box (VMB)
    4. Monitoring system
  • Easy to operate with touch screen
  • Automatic/semi-automatic/manual mode  with PLC
  • Optimal design by 3D CAD for easy maintenance
  • Particle and metal impurities controlled to Customer’s quality standard
  • CO2 fire extinguisher and auto fire damper
  • Provided for solvent
  • Warranty covers preventive maintenance service every 6 months
  • ISO 9001 and ISO 14001 certified