White Pharma Grade PVC PVDC Film for Drug Packaging is more than a protective barrier-it is a strategic packaging choice that elevates brand perception, enhances print legibility, and ensures regulatory compliance. This white-pigmented, PVDC-coated blister film is engineered for pharmaceutical manufacturers who demand both high-performance protection and premium visual presentation for their drug products.
While white films are often selected solely for light-blocking properties, White Pharma Grade PVC PVDC Film for Drug Packaging offers additional, often-overlooked advantages: it provides a clean, clinical canvas for high-contrast printing, masks substrate imperfections, and communicates quality and purity to patients and healthcare professionals. In an era where packaging directly influences patient adherence and brand trust, this white film delivers a compelling competitive edge.
Structure at a Glance:
PVC Base: 200–300µm, pigmented with rutile titanium dioxide (TiO₂) for permanent whiteness
PVDC Coating: 30–50 g/m², providing moisture and oxygen barrier
Optional PE Sealant: 20–30µm, for enhanced seal integrity with aluminum lidding
Total Thickness: 230–350µm, customizable per cavity depth
▸ The Branding Advantage – Why White Matters for Drug Packaging
Most pharmaceutical blister films are clear or amber, offering little visual differentiation on pharmacy shelves. White Pharma Grade PVC PVDC Film for Drug Packaging transforms the package into a distinctive, premium-looking presentation. Here's how:
| Branding Benefit | How This White Film Delivers |
|---|---|
| Premium Aesthetic | Clean white background communicates purity, sterility, and high quality – especially valuable for branded, high-value drugs |
| Superior Print Contrast | Barcodes, dosage instructions, and logos appear with maximum legibility – reduces patient misreading errors |
| Uniform Appearance | Hides variations in tablet color or cavity imperfections – consistent, professional look across production batches |
| Differentiation on Shelf | Stands out among clear/amber blisters – reinforces brand recognition in OTC and retail settings |
| Anti-Counterfeiting Support | White surface allows printing of microtext, holographic elements, and covert features – white backdrop enhances detection |
In clinical settings, the white base also helps healthcare professionals quickly identify the correct medication and dosage, particularly in emergency situations where visual clarity is paramount.
Technical data:
Product width: 780mm
Thickness: 0.15mm~0.6mm
Regular spec: 125*0.25mm, 130*0.25mm, 250*0.25mm
Weight: 10--50kgs/ roll (changeable) or by plan
Performance and Feature:
1. Such product uses the excellent PVC resin from Great Plastics Group.
2. High transparency, high brightness than other products.
3. More competitive price.
4. Less spot, less wave on PVC product surface and could be commended as good material for pharmaceutical blister package.
5. China State Food and Drug Administration licensed.
Color Stability – Whiteness That Lasts
One concern with white films is yellowing over time. Our formulation uses rutile TiO₂ with surface treatment that minimizes photocatalytic activity, combined with heat-stable PVC stabilizers. Accelerated aging tests confirm:
| Aging Condition | Whiteness Index (L*) | ΔE (vs. initial) | Visual Evaluation |
|---|---|---|---|
| Initial (0 months) | 87.2 | – | Brilliant white |
| 12 months (25°C/60% RH) | 86.8 | 0.6 | No visible change |
| 24 months (25°C/60% RH) | 86.1 | 1.3 | Slight, but acceptable (ΔE <2) |
| Accelerated (40°C/75% RH, 6 months) | 85.5 | 2.1 | Just perceptible, still within spec |
This long-term whiteness ensures that your brand's premium appearance is maintained throughout the product's entire distribution and retail cycle.
Technical Specifications – Performance Meets Aesthetics
| Parameter | Value | Test Method |
|---|---|---|
| Total Thickness | 230–350 µm (customizable) | ASTM D374 |
| PVC Layer Thickness | 200–300 µm | – |
| PVDC Coat Weight | 30–50 g/m² | XRF |
| Whiteness Index (CIE L*) | ≥86 | ASTM E313 |
| UV Transmission (200–400nm, 250µm) | <0.5% | UV-Vis |
| Visible Transmission (400–700nm, 250µm) | <3% | UV-Vis |
| WVTR (38°C/90% RH) | ≤2.0 g/m²·day | ASTM F1249 |
| OTR (23°C/0% RH) | ≤5.0 cm³/m²·day | ASTM F1927 |
| Haze (opaque, not applicable) | – | – |
| Seal Strength (with Alu lidding) | ≥22 N/15mm (with PE sealant) | ASTM F88 |
| Thermoforming Temperature | 120–150°C | – |
| Deep Draw Capability | Up to 10mm (12mm optional) | In-house |
| Color Consistency (batch-to-batch) | ΔE <1.0 | Spectrophotometer |
Quality Assurance – White-Specific Controls
In addition to standard pharmaceutical packaging QC, White Pharma Grade PVC PVDC Film for Drug Packaging undergoes these white-specific checks:
Whiteness Measurement – Every master roll is tested on a HunterLab spectrophotometer; L* ≥86, and b* value maintained between 1.0 and 2.5 to prevent yellow/blue casts.
TiO₂ Dispersion – Microscopic cross-section analysis ensures no pigment agglomerates >10µm (which could cause pinholes or inconsistent whiteness).
UV Transmission Verification – Random samples from each batch are measured at 365nm and 450nm to confirm <0.5% and <3% respectively.
Long-Term Color Stability – Retain samples are stored at 40°C/75% RH for 6 months and re-tested; ΔE must remain <2.5.
Print Adhesion – Cross-hatch tape test on printed samples shows >95% retention, ensuring no ink flaking during blister formation.
Certificate of Analysis for each shipment includes:
Whiteness index and color space values (L, a, b*)
UV-Vis transmission spectrum (200–800nm)
PVDC coat weight and barrier data
Seal strength with recommended lidding
TiO₂ content (ash method)
Batch traceability from raw materials to finished roll
Extended FAQ – Beyond Light Blocking
Q1: Why choose white film instead of amber if both provide UV protection?
Amber blocks UV but transmits 20–30% of visible light, which can degrade certain APIs (e.g., riboflavin, porphyrins). White Pharma Grade PVC PVDC Film for Drug Packaging blocks >97% of visible light – complete protection. Additionally, white provides superior print contrast and premium brand appearance.
Q2: Does the white pigment affect PVDC adhesion?
No – TiO₂ is in the PVC layer, not on the surface. PVDC adhesion remains ≥3.5 N/15mm, identical to clear PVC/PVDC. The corona treatment is adjusted for white PVC to ensure proper wetting.
Q3: Can this film be used for both push-through and peelable blisters?
Yes – the base film is compatible with both lidding types. For peelable applications, we recommend adding a PE sealant layer (available on request) to achieve controlled peel force (8–15 N/15mm).
Q4: Does the white film mask tablet defects during visual inspection?
No – tablets appear as dark silhouettes against the white background, making missing tablets, broken tablets, and color variations even more visible than with clear film. Automated vision systems benefit from higher contrast.
Q5: Is the film suitable for cold-form blister lines?
No – this is a thermoforming film. For cold-forming applications, we offer white cold-form foils (PA/Alu/PVC with white outer layer). Contact us for details.
Q6: What is the shelf life of the white film itself?
24 months when stored at 15–25°C, <60% RH, away from direct light. Whiteness remains stable; PVDC barrier remains intact.
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