High density polypropylene through an injection molding process. This process creates test tube racks that are extremely durable, autoclavable and chemical resistant.ideal for the classroom,holds 80 test tubes,10 mm - 13 mm test tubes,measures 9" x 3 1/2" x 2 5/8"
Nalgene Polycarbonate Test Tube Rack for 25-30mm Test Tubes is for sale. it is in excellent condition. Product DescriptionThis 30mm polycarbonate test tube rack has molded-in handles making carrying tubes easy.
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