The G7-312 Black/White represents a sophisticated advancement in specialized solar control textiles, combining technical precision with distinctive aesthetic appeal. This two-tone twill weave sunscreen fabric from LEAPKA's G7 series demonstrates exceptional engineering through its carefully balanced material composition and performance characteristics, offering architects and designers a unique solution for modern architectural challenges.

Material Composition and Structural Properties

The fabric's construction showcases innovative textile engineering:

Material Matrix: 30% high-tenacity polyester/70% PVC coating formulation. This specific ratio ensures optimal balance between structural integrity and environmental resistance, providing both durability and consistent performance across varying climatic conditions

Surface Density: 440 g/m² ± 5%. This medium-weight classification offers excellent stability while maintaining flexibility for various installation configurations

Physical Dimensions: Available in 200 cm (78 inches), 250 cm (98 inches), and 300 cm (118 inches) widths with 35-meter standard roll lengths

Weave Characteristics: Unique twill weave pattern creating visual depth and texture while maintaining functional performance

Optical and Performance Characteristics

The fabric's technical excellence is demonstrated through its precision engineering:

Openness Factor: 3% ± 0.5%. This carefully calibrated permeability provides optimal balance between solar protection and visibility maintenance

Yarn Configuration: 50 × 48 thread count utilizing 0.32 mm diameter yarns. This tight weave pattern ensures consistent performance and enhanced durability

Thickness: 0.60 mm ± 5%. The moderate thickness contributes to the fabric's flexibility and rolling characteristics

Performance Certification and Compliance

The material meets international standards for architectural textiles:

UV Resistance: >93% UV radiation blockage (ISO 105-B02 compliant)

Thermal Regulation: 65% solar heat gain reduction (EN 14501 certified)

Fire Safety: Class B fire rating (EN 13501-1 certification)

Durability: 3,500 hours accelerated weathering testing with <3% performance degradation

Fabrication Compatibility

The material supports professional manufacturing processes:

Cutting Methods: Compatible with precision cold knife cutting and crush cutting systems

Seaming Technology: Suitable for thermal bonding and high-frequency welding techniques

Hemming Options: Compatible with industrial sewing methods using specialized UV-resistant thread

Environmental Performance

The fabric demonstrates excellent environmental resistance:

Color Stability: Grade 7 color fastness under intense UV exposure

Moisture Resistance: Superior performance in high-humidity environments

Temperature Tolerance: Stable performance across -25°C to +65°C range

Chemical Resistance: Good resistance to environmental pollutants

This technical profile establishes G7-312 as a premium roller blinds fabric solution that combines advanced engineering with distinctive aesthetic qualities, making it particularly suitable for architectural applications where both visual appeal and technical performance are critical considerations.