These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags.
These black stoppers are made of solid natural rubber that stays pliable over a long period of time. Ideal for use with non-aggressive or concentrated solutions. Low sulfur content. Withstand temperatures from –25 to 70°C (–13 to 158°F). Available in solid, one-hole, and two-hole versions. Each stopper has its size marked in raised figures. All stoppers are 25 mm tall. Sold as one-pound bags.
| Item # | Item No. One-Hole | Item No. Two-Hole | Stopper Size | Approx. No. per Lb. | Top Dia. | Bottom Dia. | Hole size |
|---|---|---|---|---|---|---|---|
| RST000-S | RST000-H | NA | 000 | 170 | 13mm | 8mm | 3mm |
| RST00-S | RST00-H | RST00-H2 | 00 | 90 | 15mm | 10mm | 3mm |
| RST0-S | RST0-H | RST0-H2 | 0 | 63 | 17mm | 13mm | 3mm |
| RST1-S | RST1-H | RST1-H2 | 1 | 52 | 19mm | 14mm | 4mm |
| RST2-S | RST2-H | RST2-H2 | 2 | 45 | 20mm | 16mm | 5mm |
| RST3-S | RST3-H | RST3-H2 | 3 | 33 | 24mm | 18mm | 5mm |
| RST4-S | RST4-H | RST4-H2 | 4 | 28 | 26mm | 20mm | 5mm |
| RST5-S | RST5-H | RST5-H2 | 5 | 24 | 27mm | 23mm | 5mm |
| RST5A-S | RST5A-H | RST5A-H2 | 5½ | 21 | 28mm | 24mm | 5mm |
| RST6-S | RST6-H | RST6-H2 | 6 | 18 | 32mm | 26mm | 5mm |
| RST6A-S | RST6A-H | RST6A-H2 | 6½ | 16 | 34mm | 27mm | 5mm |
| RST7-S | RST7-H | RST7-H2 | 7 | 13 | 37mm | 30mm | 5mm |
| RST7A-S | RST7A-H | RST7A-H2 | 7½ | 13 | 39mm | 31mm | 5mm |
| RST8-S | RST8-H | RST8-H2 | 8 | 10 | 41mm | 33mm | 5mm |
| RST8A-S | RST8A-H | RST8A-H2 | 8½ | 10 | 43mm | 36mm | 5mm |
| RST9-S | RST9-H | RST9-H2 | 9 | 9 | 45mm | 37mm | 5mm |
| RST9A-S | RST9A-H | RST9A-H2 | 9½ | 9 | 46mm | 38mm | 5mm |
| RST10-S | RST10-H | RST10-H2 | 10 | 8 | 50mm | 42mm | 5mm |
| RST10A-S | RST10A-H | RST10A-H2 | 10½ | 7 | 53mm | 45mm | 5mm |
| RST11-S | RST11-H | RST11-H2 | 11 | 6 | 56mm | 48mm | 5mm |
| RST11A-S | RST11A-H | RST11A-H2 | 11½ | 6 | 63mm | 50mm | 5mm |
| RST12-S | RST12-H | RST12-H2 | 12 | 5 | 64mm | 54mm | 5mm |
| RST13-S | RST13-H | RST13-H2 | 13 | 4 | 68mm | 58mm | 5mm |
| RST14-S | RST14-H | RST14-H2 | 14 | 1 | 90mm | 75mm | 5mm |
| RST15-S | RST15-H | RST15-H2 | 15 | 1 | 103mm | 83mm | 5mm |
| RST16-S | RST16-H | RST16-H2 | 16 | 1 | 127mm | 90mm | 5mm |