General Formulations 218 WindowMark Blockout – Removable

GF 218 WindowMark Blockout Gloss White Vinyl – Removable Adhesive

Gloss white blockout window vinyl GF 218 is a dual-layer, high-opacity print media engineered for applications that require complete light blockout and clean removability. This 8.0 mil gloss white vinyl delivers 100 percent opacity, making it ideal for window graphics, privacy applications, and retail displays where zero light transmission is critical.

GF 218 features a clear removable acrylic adhesive designed for short- to medium-term promotions and supports up to three years of outdoor durability. The dual-layer construction eliminates show-through while maintaining excellent print quality across a wide range of wide format ink technologies.

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Why Choose Gloss White Blockout Window Vinyl

GF 218 provides total opacity and dependable removal for promotional and privacy-focused graphics.

• 100 Percent Blockout Construction eliminates light transmission and show-through
• Dual-Layer Gloss White Vinyl enhances image quality and color saturation
• Clear Removable Adhesive supports clean removal for up to one year
• Outdoor Durability up to 3 Years for temporary exterior window graphics
• Wide Ink Compatibility across common wide format printing platforms

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Applications

• Window Graphics
• Retail and Storefront Displays
• Privacy and Promotional Window Coverage

Designed for flat, smooth surfaces including glass, painted metals, aluminum, and stainless steel.

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Key Features

• 8.0 mil gloss white dual-layer blockout vinyl
• 100 percent opacity for zero light transmission
• Clear removable pressure-sensitive adhesive
• Suitable for short-term promotions and retail campaigns
• Contour cuttable for decals and window graphics

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Specifications

Film

• Film Type: White monomeric vinyl
• Finish: Gloss
• Film Thickness: 7.0 mil (178 µm ±10%)
• Film Weight: 248 gsm
• Gloss (60°): >70
• Opacity: 100%
• Tensile Strength:
  • MD: >3000 lbs/in
  • CD: >3000 lbs/in
• Elongation:
  • MD: >225%
  • CD: >225%
• Dimensional Stability (FTM 14):
  • MD: <0.90 mm
  • CD: <0.90 mm

Adhesive

• Adhesive Type: Emulsion acrylic
• Adhesive Color: Clear
• Adhesive Thickness: 0.8–1.0 mil (20–25 µm)
• Peel Strength on Stainless Steel:
  • 15 min: 2.3 lbs/in (11 N/25 mm)
  • 24 hrs: 3.0 lbs/in (13 N/25 mm)
• Peel Strength on Glass:
  • 15 min: 2.7 lbs/in (12 N/25 mm)
  • 24 hrs: 2.9 lbs/in (13 N/25 mm)

Liner

• Liner Type: White 2-sided PE-coated kraft
• Liner Weight: 90 lb (145 gsm)
• Liner Thickness: 6.7 mil (170 µm)
• Release Force @ 300 in/min: 120–150 g/2 in

Performance

• Application Temperature: Above 40°F
• Service Temperature: -40°F to 180°F
• Outdoor Durability: Up to 3 years
• Removability: Up to 1 year clean removal
• Shelf Life: 1 year
• Storage Conditions: 70°F at 50% relative humidity

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Ink Compatibility

• Solvent
• Eco-Solvent
• Latex
• UV Curable
• Screen
• Offset UV

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Compatibility

Gloss white blockout window vinyl GF 218 adheres best to flat, smooth substrates such as glass, painted aluminum, OEM painted metal, and stainless steel. This product is designed specifically for blockout applications and is not intended for translucent or light-diffusing uses.

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FAQ

Can GF 218 be used as a true blockout vinyl?
Yes. GF 218 delivers 100 percent opacity and completely blocks light transmission.

Can this vinyl be used for reverse print window graphics?
Yes. Print a clear vinyl for reverse imaging, print GF 218 right-read, laminate together, and apply from the interior for push-pull window graphics.

Can GF 218 be contour cut?
Yes. GF 218 can be contour cut for decals and window graphics. It is not designed for small cut lettering.

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Achieve Total Coverage with Zero Light Transmission

Choose gloss white blockout window vinyl GF 218 for bold window graphics, retail privacy, and clean promotional installs.

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