Amber Screw Thread Sample Vials offer protection against harmful light and UV rays for light sensitive products. These general purpose glass vials are made of Type I Borosilicate glass, providing exceptional resistance to heat shock and chemical leaching.
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 Amber Screw Thread Compound Sample Vials are made of Type I Borosilicate glass. Low profile for stability and excellent for small quantities of compounds, they feature wide mouth for ease of sampling. The Lab-Pak carton includes a shrink wrapped tray of 144 Vials and a bag of 144 Green Thermoset F217 Teflon® lined caps (not assembled).
| Amber Screw Thread Compound Sample Vials |
| Cap Type* |
1.25 mL (1/3 dram) |
1.85 mL (1/2 dram) |
| Green Thermoset Teflon F217 Lined |
QP-GLC-08764 |
QP-GLC-08765 |
Types of Caps
Cap Type Description:Thermoset Phenolic Caps with 14B White Rubber: black phenolic (thermoset) rubber lined caps are autoclavable. The Liner is compliant with FDA 21 CFR 177.2600 Rubber Articles Intended for Repeated Use. The liner exhibit good resiliency and resistance to moisture vapor. The closures provide consistent adherence to close dimensional tolerance.
Thermoset Pulp/Vinyl
Lined Caps: black phenolic (thermoset) caps with pulp/vinyl liners are perfect for general use. The liner is made of a vinyl coating applied to high density polyethylene coated paper and then it is laminated to pulpboard. This general purpose liner is commonly used for food, beverage, medical and chemical applications packed at less than 120° F., including mild acids, alkalis, solvents, alcohols, oils and aqueous products; not recommended for active hydrocarbons or bleaches.
Thermoset Pulp/Tin Foil Lined Caps: black thermoset (phenolic) caps with tin foil liners offer good chemical resistance and are typically used with solids and powders. Good resistance to hydro-carbons, alcohols, ketones and oils.
Thermoset Polyseal
Cone Lined Caps: black phenolic (thermoset) caps with Polyseal™ cone liners form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding and backing off. Great for everything from liquids, to soaps, to macro-invertebrates.
Thermoset
F217 Teflon® Lined Caps: green thermoset (phenolic) are known for providing the widest range of chemical compatibility and for being the most temperature tolerant of plastic closures. The color green easily identifies the Teflon® liner system. Foam backed Teflon® PTFE liners resist attack from virtually all chemicals at room temperature and provides resilience for a tight seal with a low moisture transmission rate. F217 has a low density foam core between two solid layers of LDPE. Uses include analytical lab samples, high purity chemicals, strong acids solvents, environmental samples, pharmaceuticals, and diagnostic reagents.
Polypropylene Caps with Teflon® Disc : polypropylene caps with .015" Teflon® disc offer excellent chemical compatibility. The Teflon® disc is chemically inert and heat resistant. Polypropylene caps are known for impact strength, cost effectiveness, and pliability.
Polypropylene Hole Caps with Teflon PTFE/Silicone Septa: polypropylene hole caps are known for good impact strength, cost effectiveness, and pliability. The Teflon® PTFE/Silicone septa resists coring and is recommended when multiple injections are required. This .125" septa has excellent resealing qualities.
Black Thermoset Caps with Solid PE Liner: black thermoset (phenolic) caps with solid PE liners offer good chemical resistance and low moisture vapor transmission rate. They are great for nail polish remover and higher concentration acids & alkalis. Good for non-oil products filled at room temperature. Because this lining system is paperless, your samples will not be contaminated with fiber or paper particles from the closure.
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