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About This Product
Our Blackout Spring Roller Blinds combine the convenience of cordless spring operation with effective light-blocking performance. The high-density 100% polyester fabric with blackout coating on the back effectively blocks sunlight, while the cordless spring mechanism allows push-up/pull-down adjustment to any height without cords or chains.
- Cordless spring mechanism — push up/pull down to any height for convenient and safe operation.
- No dangling cords — ideal for nurseries, children's bedrooms, and pet-friendly households.
- High-density polyester fabric with blackout coating effectively blocks sunlight and UV rays.
Blackout Spring Roller Blinds
YH551SPB
Product Specifications
Operation
Cordless
Opacity
Blackout
Material
100% Polyester
MOQ
1000 pcs/pattern (no color matching) | 2500 pcs/pattern (color matching)
Lead Time
40-50 Days
Packaging
Inner Box
Clear Box
Master Carton
5-layer Corrugated Carton
Pieces per Carton
4-6
FAQ
"Blackout" generally refers to maximum light blocking (industry reference standards such as AATCC TM203 require 0.00% light transmittance to qualify as true blackout), while "room darkening" means significantly reducing light but not necessarily complete blocking. Different suppliers may define these terms differently. When sourcing, always request measured light-blocking rate data rather than relying on marketing labels alone.
Coated blackout achieves light blocking by applying an acrylic or PVC foam layer on the back, with lower cost and a stiffer hand feel; long-term storage requires attention to coating adhesion. Woven blackout (black yarn) incorporates black polyester yarn during weaving, absorbing light through the yarn itself, with a softer hand feel, better breathability, and higher cost. Laminated blackout uses a TPU film bonded to the fabric, with stable blackout performance and a moderate hand feel; composite fastness must be verified. Each process has suitable applications; selection should be based on product positioning and budget.
Yes, products completely without accessible cords, chains, ropes, or loops are exempt from cord safety regulations in all five markets. However, note: 1) If the product is equipped with emergency cords or backup cords, those cords must still comply; 2) Motorized product remote controls or control devices are not subject to cord regulations but must meet electrical safety standards; 3) "Cordless" definitions vary slightly by market, it is recommended to ensure the product has completely no accessible cords.
PVC foam coating is prone to blocking (coating layers sticking together) or cracking (coating becoming brittle and peeling) after long-term storage. This is a well-known pain point of the classic PVC foam process. The severity varies by supplier formulation and storage conditions. It is recommended to avoid long-term storage of PVC foam coating products, or choose more storage-resistant alternatives such as acrylic coating.
Woven blackout (black yarn) fabric is generally more suitable for mid-to-high-end products. It achieves light blocking through the yarn itself without an additional coating, offering a softer hand feel, better drape, superior breathability, and no risk of coating peeling or adhesion. Coated blackout fabric has lower cost and is suitable for economy products, but may experience coating aging, hardening, or adhesion during long-term use or storage. The specific choice should be based on product positioning, target market, and budget.
Our standard trade term is FOB Shanghai. Payment terms are typically 30% deposit by T/T after order confirmation, with the 70% balance due before shipment. We accept T/T bank transfer. For large orders, irrevocable L/C at sight can be discussed. Other trade terms (CIF, DDP) are available upon request.
