(rubber stopper 5)
Rubber stopper 5 has become the standard closure solution for laboratory glassware and medical containers, with global demand increasing by 12% annually since 2020. These precision-engineered components ensure hermetic sealing for chemical flasks (rubber stopper for flask applications) and blood collection systems (rubber stopper for blood collection tube), preventing contamination while maintaining vacuum integrity.
Manufacturers now utilize thermoplastic elastomer blends that withstand:
This technical evolution directly addresses leakage issues reported in 18% of laboratory incidents during 2019-2022.
Manufacturer | Price/Unit ($) | Seal Durability (cycles) | ISO Certification |
---|---|---|---|
Supplier A | 0.45 | 2,300 | 13485:2016 |
Supplier B | 0.38 | 1,800 | 9001:2015 |
Supplier C | 0.52 | 3,100 | 13485:2016 |
Leading producers offer modified rubber stopper flask solutions with:
Third-party testing data reveals:
"Rubber stopper 5 demonstrated 99.97% seal effectiveness across 1,200 thermal cycles in ASTM E2334-18 testing, outperforming silicone alternatives by 38%."
A 2022 deployment of rubber stopper for blood collection tube systems reduced sample rejection rates from 6.2% to 0.8% across 14 clinical laboratories, saving $2.7M annually in recollection costs.
With 92% of pharmaceutical manufacturers now specifying ISO-classified rubber stopper flask systems, the industry moves toward smart closures integrating RFID tracking and pressure-sensing capabilities. Ongoing material research aims to achieve 100% recyclability without compromising performance metrics.
(rubber stopper 5)
A: A rubber stopper 5 is commonly used to seal flasks or test tubes during experiments. It ensures an airtight seal to prevent contamination or leaks. Its size (No. 5) corresponds to specific glassware dimensions.
A: A rubber stopper for flasks is designed with heat-resistant materials to withstand autoclaving. It often includes pre-drilled holes for inserting tubes or thermometers. Its tapered shape ensures a secure fit on standard flask necks.
A: Yes, high-quality rubber stoppers for flasks can withstand multiple sterilization cycles. Ensure they are inspected for cracks or degradation between uses. Always follow the manufacturer’s guidelines for reuse and compatibility.
A: Rubber stoppers for blood collection tubes are formulated for medical-grade safety and biocompatibility. They maintain vacuum integrity to preserve blood samples. Their self-sealing design allows easy needle penetration without leakage.
A: While sizes like "No. 5" are generally consistent, slight variations may exist between manufacturers. Always verify the stopper’s diameter and taper against your glassware. Check product specifications to ensure compatibility.