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Manufacturing Solutions

Colored BIPV Composite Solar Frame Molding Solution

Coordinate polyurethane glass-fiber pultrusion with a separately metered polyaspartic surface-coating stage for colored architectural solar framing profiles.

Production objective

Architectural Aesthetics & Long-Term Weatherability for BIPV Frames

Coordinate polyurethane glass-fiber pultrusion with a separately metered polyaspartic surface-coating stage for colored architectural solar framing profiles. The scope combines structural-resin supply, high-pressure mixing and a closed injection-box interface with surface-coating metering and colorant controls. Pulling, die heating, cooling and cutting are coordinated interfaces. Chemistry, substrate preparation, coating cure and architectural approval are validated separately. Concept illustration: generated process visualization, not a photograph of delivered equipment, a customer facility or a completed project.

Product, material and tooling

The scope combines structural-resin supply, high-pressure mixing and a closed injection-box interface with surface-coating metering and colorant controls. Pulling, die heating, cooling and cutting are coordinated interfaces. Chemistry, substrate preparation, coating cure and architectural approval are validated separately.

Capacity and acceptance

Structural-resin supply and reactive surface-coating application have separately specified die and cure requirements. Profile color stability is not independently certified by a solar-module qualification reference. Fiber fraction is specified with its weight/volume measurement basis.

Structural-resin supply and reactive surface-coating application have separately specified die and cure requirements. Profile color stability is not independently certified by a solar-module qualification reference. Fiber fraction is specified with its weight/volume measurement basis.

Manufacturing workflow

Continuous In-Line Co-Extrusion Pultrusion Process

The sequence describes the supplied configuration. Final settings, cycle boundaries and acceptance are defined for the selected material and tooling. Structural-resin supply and reactive surface-coating application have separately specified die and cure requirements. Profile color stability is not independently certified by a solar-module qualification reference. Fiber fraction is specified with its weight/volume measurement basis.

01

Roving Guidance & Structural Preforming

Configured reference: Continuous high-modulus E-glass roving bundles (80% volume) are guided through preform plates into the closed injection die entry.

FIBER VOLUME FRACTION > 80%; DIRECT ROVINGS 4800TEX
02

High-Pressure Structural Direct Injection

Configured reference: The primary metering unit injects fast-curing polyurethane at 12 MPa, thoroughly saturating fiber bundles under 1.5 MPa die backpressure.

STRUCTURAL INJECTION PRESSURE 12.0 MPA; LINE SPEED 1.0–1.5 M/MIN
03

Multi-Colorant Servo Micro-Metering

Configured reference: Inorganic color paste is metered into aliphatic polyaspartic resin via dedicated servo gear pumps to maintain precise architectural color match.

COLOR DOSING TOLERANCE ±0.1%; CLOSED-LOOP CORIOLIS FEEDBACK
Engineering inputs

Reference Solution Engineering Envelope

Values transcribed from the supplied configuration brief. Material properties and finished-product benchmarks are separate validation targets, not general equipment guarantees.

ParameterValue / UnitApplicable Configuration / Conditions
Structural Injection Output0.8 to 8.0 kg/minPrimary servo-hydraulic axial piston proportioning skid; supplied reference requiring configuration or test verification
Co-Extrusion Coating Output0.1 to 1.2 kg/minHigh-precision secondary polyaspartic dosing unit; supplied reference requiring configuration or test verification
Protective Skin Thickness50 µm ± 5 µmPrecision slotted co-extrusion die block at main tool exit; supplied reference requiring configuration or test verification
Accelerated UV Aging StabilityΔ E < 1.0 (CIE Lab)Supplied 120 kWh/m² Xenon/UV exposure reference; dose and color-measurement conditions apply to the profile/coating test, not an independent module qualification
Surface Pencil Scratch HardnessGreater than or equal to 4HASTM D3363 testing on fully crosslinked skin; supplied reference requiring configuration or test verification
Continuous Pultrusion Speed0.8 to 1.5 m/minSynchronized caterpillar haul-off and flying cut; supplied reference requiring configuration or test verification
Structural-resin supply and reactive surface-coating application have separately specified die and cure requirements. Profile color stability is not independently certified by a solar-module qualification reference. Fiber fraction is specified with its weight/volume measurement basis.
Shared equipment references

Core Equipment for This Solution

The linked pages describe shared preparation or feed-system families, not proof of delivery of the dedicated models listed in the case. The scope combines structural-resin supply, high-pressure mixing and a closed injection-box interface with surface-coating metering and colorant controls. Pulling, die heating, cooling and cutting are coordinated interfaces. Chemistry, substrate preparation, coating cure and architectural approval are validated separately.

Process configuration

Core Advantages of Haifeng BIPV Frame Systems

Engineering functions and interfaces developed for the specified product and material system.

Structural Injection Pultrusion

Configure and validate structural injection pultrusion for the selected product, formulation, tooling and production conditions.

Separate Surface-Coating Feed

Configure and validate separate surface-coating feed for the selected product, formulation, tooling and production conditions.

Colorant Metering

Configure and validate colorant metering for the selected product, formulation, tooling and production conditions.

Coating Cure Coordination

Configure and validate coating cure coordination for the selected product, formulation, tooling and production conditions.

Planning questions

Frequently Asked Questions

Technical questions to establish the equipment scope, material window and validation plan.

How is coating adhesion and weathering verified? +
Coating adhesion depends on surface preparation, chemistry and cure conditions. A 150°C emerging profile does not establish an inseparable coating or long-term freeze-thaw resistance.
Can different surface textures be developed? +
Surface texture and gloss can be developed with the formulation and tooling. Architectural glare requirements need an agreed test and approval basis.
How are color-change time and scrap estimated? +
Color changes depend on dead volume, recipe, flush method and line speed. At 1.2 m/min, a 30-second transition produces 0.6 m before other flushing losses; the supplied <0.5 m scrap claim needs reconciliation.
How should pencil-hardness results be interpreted? +
Pencil hardness is an ordinal test result and cannot be described as twice the scratch resistance. Use the same specimen and method for a meaningful comparison.

Request a BIPV Colored Frame Solution Proposal

Share your finished product or drawing, material system, target capacity, automation requirements and factory conditions to discuss the line configuration.

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