UltraFlux® Z A-4004-Z | 0.2mL 8-Strip PCR Tubes with Optically-Clear Flat Hinged Caps, Assorted Colors — 125 Strips/Pack

Product Description

The LIGHT LABS A-4004-Z (SSI Bio UltraFlux® Z, manufacturer catalog # 3235-09) is a 0.2mL 8-strip PCR tube with optically-clear flat hinged caps in assorted tube colors — the same proven UltraFlux® Z design as the A-4004 (3235-00 Clear) with the added benefit of color-coded tube strips for immediate visual identification of multiple samples, conditions, or time points across a single experiment. Strips of hinged attached caps prevent accidents common with separate caps. Optically-clear, flat caps for qPCR. Uniform thin walls. Manufactured from high-quality, virgin polypropylene to ensure purity and provide excellent optical clarity. Certified free of detectable RNase, DNase, DNA, and PCR inhibitors. 125 strips per unit, 10 units per case.

A-4004-Z vs. A-4004 — Assorted vs. Clear: Choosing the Right Color Format: The A-4004-Z and A-4004 are identical in construction, design, and performance — the tube color is the sole differentiator:

Assorted Colors — Instant Visual Sample Organization The assorted color format of the A-4004-Z provides a mix of colored tube strips — including blue, green, red, violet, and yellow — allowing immediate color-code-based organization of multiple experimental conditions, sample sets, patient groups, time points, or reagent preparations within a single PCR run. Color coding with assorted strip tubes is one of the most practical contamination-prevention strategies in high-throughput PCR labs — when each condition or sample group has its own color, visual confirmation of correct tube assignment before thermal cycler loading is immediate and unambiguous. The optically-clear caps on all assorted-color strips maintain consistent, unobstructed qPCR fluorescence detection regardless of tube body color.

Hinged Attached Caps — No Separate Cap Strip Required Strips of hinged attached caps prevent accidents common with separate caps. The integrated hinged cap design of the UltraFlux® Z eliminates the separate cap strip entirely — the flat optically-clear cap is permanently attached to each tube via a flexible hinge, preventing cap loss, cross-tube cap mixing between color-coded strips, and the contamination risk of uncapped tubes during PCR setup. For assorted-color workflows where multiple strips of different colors are in use simultaneously, the hinged cap design is especially important — it eliminates the risk of accidentally capping a red-tube strip with caps from the blue-tube strip, which would undermine the color-coding system.

Optically-Clear Flat Caps — qPCR Compatible Regardless of Tube Color Optically-clear, flat caps for qPCR. Despite the colored tube bodies, the caps on all A-4004-Z / 3235-09 strips are optically clear — providing a distortion-free optical surface for qPCR fluorescence detection from above. The colored tube body does not interfere with fluorescence reading through the clear cap, making the A-4004-Z fully compatible with real-time qPCR detection on all standard instruments from Bio-Rad, Applied Biosystems, Roche, and other major manufacturers.

Uniform Thin Walls — Consistent Thermal Transfer Across All Colors Uniform thin walls. The uniform thin-wall construction delivers consistent, efficient thermal transfer between the cycler block and the PCR reaction in every tube of every strip — regardless of tube color. The tube color pigmentation is in the polypropylene formulation and does not affect wall thickness, thermal conductivity, or reaction performance.

High-Clarity Virgin Polypropylene — FDA 21 CFR 177.1520 / USP Class VI Manufactured from high-quality, virgin polypropylene to ensure purity and provide excellent optical clarity. Certified free of detectable RNase, DNase, DNA, and PCR inhibitors. SSIbio uses high-clarity, ultra-pure polypropylene that meets FDA 21 CFR 177.1520 and USP Class VI. The colored tube formulations maintain the same purity standards as the clear tubes — all colorants used in the A-4004-Z tube strips are inert and do not leach into reaction contents or contribute PCR inhibitors.

Manufactured in the USA — ISO 9001:2015 Quality Assurance SSI Bio products are manufactured in Lodi, California with 1,500 square meters meeting or exceeding ISO 8 / Class 100,000 cleanroom standards under an ISO-9001:2015 quality assurance system.

LIGHT LABS Strip Tube Lineup — A-4004 Family:

Compatible Replacement — Cross-Reference Guide

The LIGHT LABS A-4004-Z (SSI Bio 3235-09) is a direct compatible replacement for assorted-color 0.2mL 8-strip PCR tubes with flat caps from several major manufacturers:

• Bio-Rad TLS-0851 — Bio-Rad 0.2mL 8-tube PCR strip with flat optically clear caps, assorted colors
• Thermo Fisher AB-0266 — ABgene 0.2mL 8-strip PCR tubes with flat caps, assorted
• Eppendorf 0030124391 — Eppendorf PCR 8-tube strip 0.2mL with flat caps, assorted colors
• QIAGEN 981309 — QIAGEN Strip Tubes 0.2mL with flat caps, assorted

Competitor brand names and catalog numbers are referenced for cross-referencing purposes only. Compatibility should be verified for your specific thermal cycler and protocol.

Key Features

• LIGHT LABS Cat # A-4004-Z / SSI Bio Manufacturer SKU: 3235-09
• 0.2mL 8-strip PCR tube with optically-clear flat hinged caps — assorted colors
• Assorted tube colors — blue, green, red, violet, yellow for visual color coding and sample organization
• Optically-clear flat caps — qPCR compatible regardless of tube color
• UltraFlux® Z design — hinged attached caps prevent separate cap accidents
• Uniform thin walls — efficient thermal transfer for consistent PCR results
• High-clarity virgin polypropylene — FDA 21 CFR 177.1520 / USP Class VI
• Certified RNase-free, DNase-free, DNA-free, and PCR Inhibitor-free
• Compatible with standard 0.2mL PCR thermal cyclers
• ISO 9001:2015 quality assurance
• Made in the USA
• Non-sterile
• 125 strips per unit / 10 units per case (1,250 strips per case)

Supported Applications Multi-condition PCR and qPCR with color-coded sample organization, RT-PCR with color-coded time points, hot-start PCR across multiple conditions, genotyping with sample group color coding, SNP analysis, high-resolution melting (HRM), colony PCR across multiple samples, and any standard 0.2mL 8-strip PCR application where visual color coding of strip tubes improves workflow organization and reduces sample confusion.

Technical Specifications