BHB® White-black-white Film BMN00J 130micron

Specialized Product Overview

BHB® BMN00J is a premium 130μm (5.2 mil) 3-layer co-extruded BHB® White-black-white Film custom-engineered for total darkness control and advanced microclimate management. Unlike traditional black-and-white (panda) films, BMN00J features white layers on both outer surfaces sandwiching an ultra-dense carbon black core. This specialized structure reflects solar heat externally while maximizing ambient light efficiency internally during non-blackout hours. Engineered as a high-performance choice among modern commercial greenhouse films, BMN00J delivers 100% complete photoperiod blackout, lower cooling loads, and high mechanical flexibility for automated curtain and light-deprivation systems.

Targeted Performance Benefits

• Dual-Surface Thermal Reflection: High-purity white outer faces reflect up to 88% of incoming infrared radiation on both sides, dramatically reducing internal heat traps compared to single-white or solid black covers.

• 100% Absolute Light Deprivation (0% PAR): High-density carbon core guarantees zero light leakage, providing the strict photoperiod timing required to trigger flowering in sensitive commercial crops.

• Optimized 130μm Roll-Up Flexibility: Formulated to offer maximum flexibility and low memory retention, ensuring smooth operation, tight folding, and reduced motor resistance in automated roll-up side systems and top curtains.

• Algae & Root Stress Suppression: Used as a floor liner, the white top face reflects light back into the canopy while the black core suppresses weed growth and soil algae beneath growing trays.

• UV & Chemical Resistance: Fortified with specialized stabilizers to resist premature breakdown caused by sulfur vapors, nutrient solutions, and intense solar exposure.

Technical Specifications

• Film Thickness: 130 μm (5.2 mil)

• Layer Architecture: White / Carbon Black / White (3-Layer Co-Extrusion)

• Light Transmission Rate: 0% (100% Complete Opacity)

• Solar Reflectance: ≥ 88%

• Tensile Strength: 25 MPa (MD) / 24 MPa (TD)

• Elongation at Break: 650%

• Tear Resistance: 85 kN/m

• Available Roll Widths: 1 to 16 meters

• Fold Types: 2 Folds or 4 Folds

White-black-white Film 130 Micron FAQ

Why is a White-Black-White film better than a standard Black/White film for light deprivation?

Standard black-and-white film has a black side that absorbs heat, raising interior temperatures during blackout periods. The dual white surfaces of BMN00J reflect heat both outside and inside, creating a cooler microclimate while maximizing internal light distribution.

Is 130-micron BMN00J durable enough for automated light-dep systems?

Yes. The 130-micron gauge strikes the ideal balance between high tensile tear strength (25 MPa) and the physical flexibility needed for smooth motor-driven curtain rolling without placing excessive strain on drive motors.

Can BMN00J be customized to wide widths for single-piece roof coverage?

Yes, BMN00J can be manufactured in seamless widths up to 16 meters, reducing the need for field seams and eliminating potential light leaks.