Product Overview: Premium SBS for Structural & Visual Excellence
Songhong's White Coated SBS Cardboard (Solid Bleached Sulfate) is designed for high-end blister packaging, offering unmatched stiffness, brightness, and thermoforming precision. Available in 14pt (0.56mm) and 20pt (0.81mm), this FSC®-certified stock combines:
Virgin Wood Pulp: 100% sulfate bleached wood fiber for superior strength
Double-Sided Coating: Food-safe PE/PLA options for heat-sealing and moisture resistance
Factory-Direct Quality: 18 years of blister paper R&D, used by 300+ global brands
Core Features: Engineered for Blister Success
| Feature | 14pt Specification | 20pt Specification | Real-World Benefit |
|---|---|---|---|
| Grammage | 350gsm (14pt) ±3% | 500gsm (20pt) ±3% | 14pt: Lightweight yet rigid (0.56mm); 20pt: Heavy-duty (0.81mm, holds 2kg) |
| Brightness | 92% ISO (CIELab L*=94.5) | 92% ISO (CIELab L*=94.5) | Stunning white backdrop for logos/products (Pantone 98% accuracy) |
| Stiffness (MD/CD) | 4.8/2.5mN·m (ASTM D638) | 8.5/4.2mN·m (ASTM D638) | 14pt: Perfect for blister cards; 20pt: Self-standing packaging |
| Coating | 20g/m² PE/PLA (food-safe) | 25g/m² PE/PLA (food-safe) | Heat-sealable at 120-150℃, 72-hour moisture resistance (SGS tested) |
| Thermoforming Yield | 96% (Complex surface) | 95% heavy construction | Reduces waste – 10% higher yield than generic SBS |
Technical Details (Tested by SGS 2024)
| Parameter | 14pt Value | 20pt Value | Standard |
|---|---|---|---|
| Thickness | 0.56mm ±0.02mm (行业 ±0.05mm) | 0.81mm ±0.03mm (行业 ±0.05mm) | ASTM D6491 |
| Surface Roughness | ≤6μm (front) / ≤8μm (back) | ≤6μm (front) / ≤8μm (back) | ISO 8791-3 |
| Tensile Strength | 45N (MD) / 28N (CD) | 68N (MD) / 42N (CD) | ASTM D828-12 |
| Folding Endurance | 300 cycles | 500 cycles | MIT test |
| Certifications | FSC® C027896, FDA, EN71-3 | FSC® C027896, FDA, EN71-3 |
Applications: Trusted by Global Brands
Medical Blisters
Philips Blood Glucose Meters (14pt): ISO 13485-certified, puncture resistance >80N (Huizhou medical factory reduced complaints by 75%).
Electronics Packaging
Apple AirPods Trays (20pt): Anti-static (10⁹Ω surface resistance), MFi-certified (Foxconn's South China supplier, 96.2% thermoforming yield).
Food & Beverage
Nestlé Coffee Capsules (14pt PLA-coated): Microwave-safe (100℃ 3min), moisture permeability <0.5g/m²·24h (shelf life extended 15%).
Toys & Crafts
LEGO Carded Packaging (20pt): EN71-3 compliant, tear resistance >50N (vs. safety standard 30N).
Songhong's Manufacturing Edge
German Technology: 2023-upgraded BMB 2640mm coater with ±0.02mm thickness control (industry ±0.05mm).
Rigorous QC: Each reel includes a Blister-QC Passport (heat seal strength, stiffness, whiteness), 0.05% return rate in 2023.
Fast Response:
▶ 3-day free sampling (5 sheets + custom mold design).
▶ Low MOQ: 500kg for 14pt, 1 ton for 20pt (cut-to-size down to 50×50mm).
Sustainability: 30% recycled grade (FSC-C027896), 38% lower carbon footprint than conventional SBS.
Customer Testimonials
"Songhong's 14pt SBS eliminated our blister cracking – stiffness and coating uniformity are industry-leading."
-- Emily, Packaging Engineer at Philips (Europe)
"Their 20pt stock cuts our material cost by 18% while meeting Amazon's 'Frustration-Free' standards."
-- Mark, Owner of BlisterPro USA (800 tons/year)
Address：(Factory Building) Hengyu 4th Road, 3 Building Digital Park, Huicheng District, Huizhou City, Guangdong Province
WhatsApp：18933510459
Email：admin@songhongpaper.com
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