**Bulk Buy** CRB12 12 mm Plug Finned Cap – Polyethylene, Secure Seal, Bulk 1000-Pack, ISO 9001 Quality

Ensure leak-resistant and reliable sealing for your labware with the CRB12 12 mm Plug Finned Cap. Constructed from durable polyethylene and featuring multiple fins for enhanced grip and seal integrity, this cap is ideal for securely closing test tubes, vials, and similar lab vessels.

Designed for high-volume use, the CRB12 is available in a convenient 1,000-piece bulk pack, offering excellent value and supply consistency. Manufactured under ISO 9001:2015 quality control standards and ready for fast dispatch—with free UK shipping on orders over £100—this cap is perfect for fast-paced lab environments.

Key Features & Benefits

• Finned plug design – Multiple ridges ensure a tight, leak-resistant fit in 12 mm openings.

• Durable polyethylene construction – Flexible yet strong material keeps samples secure.

• Bulk availability – Pack of 1,000 caps reduces reordering frequency and lowers per-unit cost.

• Quality assured – Produced under ISO 9001:2015-certified manufacturing processes.

• Fast supply – In-stock ready for prompt delivery, with free UK shipping on orders over £100.

Product Specifications

• Model: CRB12

• Type: Plug Finned Cap

• Material: Polyethylene (PE)

• Size: 12 mm diameter

• Pack Size: 1,000 caps

• Quality Assurance: ISO 9001:2015 manufacturing

• Logistics: Fast dispatch; free UK shipping on qualifying orders Regina Industries

Why Choose the CRB12 Finned Cap?

The CRB12 delivers a superior seal that minimizes leaks and protects sample integrity. The polyethylene material balances flexibility with strength, and the finned design ensures easy insertion and extraction. In bulk, these caps offer cost-effective consistency for labs tackling high-throughput workflows or considering inventory consolidation.

Common Applications

• Sealing test tubes, cuvettes, and small vials

• Routine lab consumables stocking

• Preventing contamination and minimizing sample evaporation

• Laboratories and test facilities needing reliable bulk closures

Lab Benefits

With the CRB12 Finned Cap, labs gain a sturdy, easy-to-use sealing solution that supports cleaner workflows and reduces downtime. The large pack means fewer interruptions in your supply chain, and ISO-certified quality ensures peace of mind in daily lab operations.