• Leakproof Caps Attached to Each Tube
• Molded Virgin Polypropylene
Designed for mixing, shaking and autoclaving, these tough little tubes have been leak tested to 20,000 RCF for 30 minutes at 20°C. The attached lid provides a tight, leakproof seal, yet can be easily opened. The lid membrane is uniformly thick to ensure trouble-free piercing. The 0.6 ml tubes are graduated at 0.1, 0.2, 0.3, 0.5 and 0.6 ml. The 1.6 ml tubes are graduated at 0.5, 1.0 and 1.5 ml. Frosted, flat cap and side for easy identification. Sterile tubes are packaged in zip-lock bags and are DNase, RNase and pyrogen free.