Whirl-Pak® Light Sensitive Bags

The Whirl-Pak® black bag is specially designed to keep light-sensitive materials safe. The polyethylene film is made from pigmented resins, so the black color is an integrated part of the bag and not just a printed layer. The result is an opaque bag providing maximum protection for samples that are sensitive to light. It is ideal for pharmaceuticals, forensics, genetics, biomedical research, spinal fluid, amniotic fluid, seasonings, flavors, food supplements, vitamins, marine life, and many other liquids or solid products.

  • LDPE
  • Sterile
  • Easy identification with write-on strip
  • Can be frozen to any temperature, even liquid nitrogen
  • 2.5 mil thickness
  • Maximum temperature: 180°F
  • Meets FDA standards
  • Sold in full boxes only
  • Sterile items are non-returnable
Stock Description Catalog Pg. Price
3" W x 7.25" L x 4 oz. Black Sample Bag
56769
$90.42/Box of 500
Save 5%2+$85.89/Box of 500
Save 10%4+$81.37/Box of 500
Save 15%12+$76.85/Box of 500
P-503
$90.42/Box of 500
4.5" W x 9" L x 8 oz. Black Sample Bag
56770
$136.82/Box of 500
Save 5%2+$129.97/Box of 500
Save 10%4+$123.13/Box of 500
Save 15%12+$116.29/Box of 500
P-503
$136.82/Box of 500
7.5" W x 12" L x 55 oz. Black Sample Bag
56771
$234.05/Box of 500
Save 5%2+$222.34/Box of 500
Save 10%4+$210.64/Box of 500
Save 15%12+$198.94/Box of 500
P-503
$234.05/Box of 500

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