Plasticoid
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Rubber Stoppers
PlasticoidM35 Green Neoprene for added chemical resistance Listed mainly by trade-size, available in solid, one-hole, and two hole rubber stoppers. Uses vary widely, some are outlined below: Carboy Stoppers Crucible Holders Laboratory & Test Tube Stoppers Masking Applications Micro Stoppers Pipe…
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Crucible Holder
PlasticoidFor 25 mL porcelain Gooch crucibles A combination rubber stopper and crucible holder with glass funnel insert Dimensions 57 mm length, tapered from 38 mm diameter at top to 22 mm diameter at bottom; length of tapered portion 35 mm Fits 4948F21 and 4948H23 series Filter Flasks, 125 to…
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Twistit Convertible Stoppers
PlasticoidUnique seal system allows use as solid or one-, two- or three-hold closures Simplifies stock room inventory Molded of soft, resilient, white natural rubber Seals vacuum-tested to 760 mm Hg Autoclavable, with good shelf life. Sizes #3 & #4 have two holes; #5 - #10 have the (3)…
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Neoprene Rubber Stoppers
PlasticoidSolid green Neoprene Withstands exposure to temperatures up to 120°C Usable with petroleum products, vegetable and mineral oils and fats which deteriorate natural rubber Standard length: 26 mm Increased functionality over rubber stoppers at elevated temperatures.…
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Solid Rubber Stoppers
PlasticoidStandard Grade Size No. 000 is 18 mm long; sizes No. 00 to No. 13 are 25 mm long. Sizes No. 13 1/2, 14 and 15 are 35 mm, 36 mm and 39 mm respectively.
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Two Hole Rubber Stoppers
PlasticoidStandard Grade Sizes No. 00, 0 and 1 have holes 2, 3 and 4 mm diameter, respectively; all other sizes have holes 5 mm diameter
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One-Hole Rubber Stoppers
PlasticoidSize No. 000, 00 and 0 have hole 3 mm diameter; sizes No. 1 and 2 have hole 4 mm in diameter; all other sizes have hole 5 mm in diameter.
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Rubber Stoppers for 800mL Kjeldahl Flasks
PlasticoidChoice of styles: solid or with one hole of proper size for 800mL Pyrex™ Kjeldahl flasks One-hole style can be enlarge or the solid stopper bored to take larger sizes Top diameter: 39mm; bottom diameter: 28mm; height: 35mm; one-hole bore diameter: 8mm
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Sleeve Stoppers & Plugs
PlasticoidHollow plug to fit inside bottles, flasks, vials, or tubing with a sleeve to pull over neck to create a double seal .Septa area allows insertion of needle, with excellent re-sealing properties for air sensitive chemistry Standard Compounds include Red and White Natural Rubber, Gray Butyl on…