What CRI and color temperature do you recommend for different retail zones?

General aisles: CRI 80+, 4000K (neutral white, energy-efficient). Fresh produce & deli: CRI 90+, 3500K (warm white, enhanced red spectrum R9 ≥ 50 for food color rendering). Bakery & prepared foods: CRI 90+, 2700K–3000K (warm, appetizing). Refrigerator cases: CRI 80+, 4000K, cold-storage rated. Clothing retail: CRI 90+, 3500K–4000K (accurate color rendering for garment selection).

How do you ensure color consistency across multiple store locations?

We implement MacAdam ellipse binning (within 3-step SDCM) for all retail supply agreements. This means every tube in every batch is within 3 MacAdam steps of your specified color point — visually indistinguishable to the human eye. We also maintain a batch archive so reorder batches can be matched to your original specification.

Can your tubes handle the temperature cycling in refrigerator display cases?

Yes. Our cold-storage rated T8 tubes are specifically engineered for refrigerator and freezer display cases. They feature: anti-condensation housing, cold-start rated driver (operates at -20°C), IP44 moisture protection, and thermal management designed for the temperature cycling (-20°C to +40°C) typical of display case environments. L70 lifespan ≥ 40,000h in cold storage conditions.

Do you offer a chain-wide supply agreement with specification lock?

Yes. Our retail chain supply agreements include: guaranteed color temperature (±150K) and CRI (±2 points) consistency across all batches, specification lock for the duration of the agreement, priority production scheduling, and a dedicated account manager. We currently supply LED products to retail chains in 12 countries.

Cornea Lighting B2B HubSupermarket & Ritel

SUPERMARKET & RETAIL CHAINS

T8 LED Tubes for Supermarket & Retail Chain Lighting

High-CRI T8 LED tubes for supermarket shelf lighting, refrigerator display cases, and retail chain bulk supply.

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Why Retail Chains Choose Cornea Lighting?

Enhanced Red-Spectrum for Food Display

R9 ≥ 50

Our food-retail T8 tubes feature an enhanced red spectrum (R9 ≥ 50) that makes fresh produce, meat, and bakery items look more vibrant and appetizing. Studies show high-CRI lighting increases fresh food purchase intent by 15–20%.

Cold Storage Rated (-20°C to +40°C)

IP44 · -20°C rated

Specifically engineered for refrigerator and freezer display cases. Anti-condensation housing, cold-start rated driver, and IP44 rating ensure reliable operation in cold storage environments without flickering or premature failure.

Chain-Wide Specification Consistency

±150K consistency

We guarantee color temperature (±150K) and CRI (±2 points) consistency across all production batches for the life of your supply agreement. Reorder batches are matched to your original specification to maintain visual consistency across all store locations.

Retail House Brand Private Label

MOQ 500 pcs

Full private label manufacturing for retail house brands. Custom packaging, labeling, and branding from MOQ 500 pieces. We supply major European and North American retail chains with house brand LED products.

Retail Chain Volume Pricing

Order Volume	Discount	Lead Time
Single store (100–499 pcs)	Standard	30 days
Regional rollout (500–4,999 pcs)	-10%	25 days
National rollout (5,000–19,999 pcs)	-18%	20 days
Chain-wide contract (20,000+ pcs)	-25% + spec lock	15 days

* Prices vary by product specification. Contact us for a custom quote.

Retail-Optimized T8 & T5 LED Tube Range

High-CRI T8 and T5 LED tubes optimized for supermarket, grocery, and retail chain lighting applications.

T8 4ft 18W 4000K Type B

UL/DLCCRI 80+2,200 lm

T8 4ft 18W 5000K Type A+B

UL/DLCCRI 80+2,200 lm

T8 4ft 15W 3500K Type A

ETL/DLCCRI 80+1,900 lm

T5 4ft 20W 4000K HO

CE/RoHSCRI 85+2,800 lm

T5 3ft 14W 3000K Standard

CE/RoHSCRI 90+1,600 lm

T8 8ft 36W 5000K Type B

UL/DLCCRI 80+4,500 lm

Request Full Spec Sheet

CRI Recommendation by Retail Zone

Fresh Produce / Deli / Bakery

CRI ≥ 90 · R9 ≥ 50 · 3000K–3500K · Enhanced red spectrum

General Aisles / Grocery

CRI ≥ 80 · 4000K neutral white · Energy Star eligible

Refrigerator / Freezer Cases

CRI ≥ 80 · 4000K · IP44 · Cold-start rated · -20°C

Clothing / Fashion Retail

CRI ≥ 90 · 3500K–4000K · MacAdam 3-step SDCM binning

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Complete Resource

The Ultimate B2B Guide to T8 & T5 LED Tubes

Specifications, installation types, certifications, and buyer's checklist — all in one place.

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