Sterdoc Bowie Dick Helix Test with Stainless Steel Helix and 4 meter long tube can be used as Bowie-Dick test for Hollow and Porous Loads tests.
Significant color change from Yellow to Black
Manufactured without any lead or other heavy metals
Disposable single-use strip
Supplied by an easy use stainless steel durable Helix holder
Back Adhesive indicator strips can be kept for a permanent record
Cost-effective
Conforms to EN ISO 11140
Lot number for each strip