• Black film for light protection.
• 4 oz. (118 ml) capacity
• 3 in. W x 7-1/4 in. L (7.5 x 18.5 cm)
• 2.5 mil (.064 mm) thick
• Box of 500

When it is necessary to protect a sample from light, the Whirl-Pak® black bag is specially designed for this application. The polyethylene film is made from pigmented resins so the black color is an integral part of the bag and not a printed layer. The result is an opaque bag providing maximum protection for samples that are sensitive to light. It is ideal for pharmaceuticals, seasonings, flavors, food supplements, vitamins, marine life, and many other liquid or solid products. It is FDA approved for food contact.

The white, write-on strip makes sample identification easier and more convenient. It's easy to write on this white strip using an ordinary ballpoint pen, pencil, or felt-tip marker. The paper-like finish virtually eliminates ink smearing, and provides a surface that will accept a variety of writing instruments.

Capacity is measured in fluid ounces when the bag is closed and tab is folded over three times. Volume and dimensions are approximate; bags should not be used at temperatures above 180° F (82° C). Bags can be frozen to any temperature, even liquid nitrogen - careful handling required after freezing. All bags are sterilized after manufacturing.

Shelf Life from Sterilization date found on the Sterility Documentation: 5 years from Sterilized date found on your Sterility Confirmation

Blended, Virgin Polyethylene Film: exceptional clarity, superior strength, sterilized after manufacturing, FDA approved for food contact.

• Convenient Write-On Strip: makes labeling quick and easy, clear sample identification, for organization & traceability.
• Puncture-Proof Closure Tabs: inner and outer tapes for longevity and stability, wire for easy opening, pouring, and closing.
• Post-Manufacturing Sterilization: increased sample integrity, perforated closure to maintain sterility. Opening Pull tabs: for easy opening, non-slip textured Tyvek.
• Continuous Perimeter Seal: maximum protection against leaks.
• Trusted, Puncture-Proof Closure Tabs: tape extends beyond wire to eliminate sharp ends and provide a sturdy grip, wire tabs hold the top open for easy access to add to or remove sample, worry-free, no-leak closure for sample integrity.

Bags should not be used at temperatures above 180° F (82° C). Bags can befrozen to any temperature, even liquid nitrogen temperatures down to -346° F (-210° C) —careful handling is required after freezing. Capacity is measured when the bag is closed and tab is folded over three times. Volume and dimensions are approximate.

Dimensions:

• 13-oz. (384 ml), 5¼“ W x 7½“ L (13 x 19 cm).
• Film Thickness: 2.5 mils (.064 mm).
• Box of 500.

Shelf Life from Sterilization date found on the Sterility Documentation: 5 years from Sterilized date found on your Sterility Confirmation

Do NOT use for sampling ethanol or ethanol blended fuel. 

The Sludge Judge® is designed to take accurate readings of settleable solids, 5% or less, in a variety of liquids, to any depth. It is ideal for sewage treatment plants, chemical plants, and food processing facilities - anywhere that accurate sample levels of settleable solids in noncaustic materials are needed. The unit holds approximately 3 oz. per foot (89 ml per 0.31 m). The Sludge Judge® comes in 5 ft. (1.53 m) sections of 3/4 in. (1.90 cm) plastic pipe with screw-type connectors. The top section includes a nylon rope for raising and lowering the sampler. Individual sections can be combined as required to achieve the length needed. Do not use in liquids over 165° F (74° C). Sludge Judge® is not autoclavable. A convenient cotton canvas carrying case that holds four sections, a cleaning brush, cleaning rod, and cotton strips are available.

To use:

1. Slowly lower the Sludge Judge® to the bottom of the tank. The float valve opens (see figure A), allowing materials to flow in. When the bottom has been reached and the pipe has filled to the surface level, tug slightly on the rope as the unit is raised. This sets the check valve(see figure B), trapping the mixture inside.

2. When the unit has been raised clear of the liquid, the amount of solids in the sample can be read using the 1 ft. (0.31 m) increments marked on the pipe sections. To release the material in the unit, touch the pin extending from the bottom section against a hard surface. This opens the check valve to drain the sample. One-year warranty.

Separate section for the Sludge Judge®.

Separate section for the Sludge Judge®.

Separate section for the Sludge Judge®.