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Silt Density Index (SDI) - TK8550-Z

Silt Density Index (SDI) - TK8550-Z

Our Price: $836.99

Availability: Usually Ships in 24 Hours

Product Code: sdi

Silt Density Index

The Silt Density Index (SDI) test is used to determine the feed water quality for water feeding membrane filtration systems. The most common is reverse osmosis or RO system. This test method indicates the quantity of particulate matter in low turbidity (<1.0 NTU) waters. Includes
  • PR-8550 - Pressure Control and Filtration Assembly
  • CY-7500-P - Graduated Cylinder, 500 mL, poly
  • FP-0045-47- Filter Paper, 0.45 micron,100 pk, 47 mm
  • 39240 - Digital Thermometer, -40 ��C to 200 ��C
  • SW-7855-X - Stopwatch, Digital, Waterproof 
  • 10-280 - Tweezers, Dull
One gallon containers of Boiler Antifreeze are Stocked & Shipped daily from Atlanta, Georgia; Detroit, Michigan; and Salt Lake City, Utah.

Daily shipping cut off time is generally 1 pm, based on the local time zone for same day shipping. If you need this product to ship today, please indicate so in the notes section upon check out. We will email mail you ASAP if we can meet your demands.

Figure 1- Fedex Residential and Ground
Transit Time Map

  • We only ship via FedEx ground. No UPS or USPS.
  • We can not ship to PO boxes.
  • This map illustrates service schedules in business days as of Dec 2016 for FedEx Ground shipments.
  • ChemWorld is not responsible for delays due to weather or Fedex transit issues. Please take this into account when ordering.
Overnight / Expedite Shipping:
  • Orders must be received by noon.
  • We only ship FedEx expedite shipments. No UPS or USPS.
  • To calculate your costs, log into your FedEx Account. Origin zip code is 30144, 48180, or 84119.
Directions for Overnight Shipping:
  • Order must be placed by noon.
  • Order as normal through the website.
  • If you have a FedEx Account number, enter it in the notes section during ordering with your exact shipping requirements (Next Day 8:30, Next Day 10:30, Next Day 20:00, Fedex 2 AM, or FedEx Express Saver). You are done. We will email you ASAP.
  • If you do NOT have a FedEx Account number, we offer overnight delivery for this product. The cost is $60 for Next Day 10:30 AM per 1-gallon box. Enter your order as normal and enter your 3 or 4 digit security code in the notes section with your shipping requirements. You are done. We will email you ASAP.

If it is later then noon, email us at with your request. We will contact you ASAP. You can also call in the order at 800-658-7716 and reference exactly what you need. We will contact you.