| HS Code | 938468 |
| Brand | EVERLAM |
| Product Name | COLORED |
| Product Type | Dyed colored window film |
| Base Material | Polyester (PET) film |
| Construction | Single-ply dyed film with scratch-resistant coating |
| Thickness | 2 mil (50 microns) |
| Available Colors | Silver, blue, green, gold, red, violet, black |
| Visible Light Transmission | 15% to 70% depending on color |
| Ultraviolet Rejection | 99% |
| Infrared Rejection | Less than 40% (dyed construction) |
| Glare Reduction | Up to 70% depending on shade |
| Adhesive | Clear pressure-sensitive adhesive |
| Application Surface | Interior side of glass |
| Recommended Use | Automotive side/rear windows and decorative architectural glass |
| Warranty | Limited lifetime against peeling, cracking, and adhesive failure |
As an accredited EVERLAM COLORED factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | EVERLAM COLORED is supplied in 1 kg sealed containers, ready for use, with clear labeling and secure packaging. |
| Container Loading (20′ FCL) | 20′ FCL of EVERLAM COLORED: loaded on pallets, securely fastened, weight balanced, containers sealed and documented per shipping requirements. |
| Shipping | A typical shipping description for EVERLAM COLORED—if the SDS classifies it as an environmental hazard—is: UN 3082, Environmentally Hazardous Substance, Liquid, n.o.s. (EVERLAM COLORED), Class 9, Packing Group III. Use UN-approved drums/IBCs, sealed, upright, and labeled. If the SDS says non-dangerous, no UN classification applies. Always confirm with the current SDS. |
| Storage | Store EVERLAM COLORED in a cool, dry, well-ventilated area away from direct sunlight, heat, and ignition sources. Keep containers tightly closed and upright to prevent leaks or contamination. Avoid contact with strong oxidizers and moisture. Maintain stable temperatures between 5–25°C (41–77°F) unless otherwise specified. Ensure proper labeling and segregation from incompatible materials. |
| Shelf Life | Shelf life: 12 months from production date when stored unopened in original packaging, below 30°C, dry, and away from sunlight. |
Spandrel infill panels and non-vision curtain-wall units are produced with EVERLAM COLORED as a 0.38 mm or 0.76 mm pigmented ethylene-vinyl acetate interlayer between heat-treated soda-lime silicate glass plies. The addition ratio of the interlayer in the laminate stack is calculated on a mass-fraction basis because glass density is approximately 2.5 g·cm⁻³ and cured EVA density is approximately 0.95 g·cm⁻³. For a 4 mm / 0.38 mm / 4 mm build-up, the interlayer addition ratio is 4.5 vol% and 1.8 wt% of the cured laminate mass; for a 6 mm / 0.76 mm / 6 mm build-up, the corresponding values are 6.0 vol% and 2.4 wt%. Lamination is carried out on a two-chamber vacuum bag line or a silicone membrane horizontal laminator. Glass plies are edge-arrised and washed with demineralized water at 18 MΩ·cm resistivity before layup, and the colored film is conditioned at 20–25 °C and 35–55 % RH for 12 h to prevent moisture-induced microvoiding. The process chamber is evacuated to −0.090 MPa to −0.095 MPa, held at 70–80 °C for 25–35 min to displace air from edge channels, then ramped at 2.0–2.5 K·min⁻¹ to 125–135 °C and soaked for 45–70 min to reach a gel content of 80–92 %. Dark iron-oxide and carbon-black pigment systems absorb infrared more strongly than clear EVA, so the heating ramp should not exceed 2.5 K·min⁻¹; otherwise the film-centre thermocouple offset can reach 5–8 K and produce edge bubbles or soft-core lamination. Compliance is assessed under EN ISO 12543-2:2021 for laminated safety glass performance, EN 12600:2002 pendulum impact classification, and EN 13501-1:2018 reaction-to-fire documentation when the panel is installed as a facade infill. Pigment chemistries supplied in the film are required to meet EU REACH registration obligations and must not release cadmium, lead, or hexavalent chromium at concentrations exceeding RoHS thresholds where applicable to end-market categories. Terminal finished products include shadow-box spandrel glass, non-vision curtain-wall infill units, opaque glass railings, and exterior privacy screen panels.
| Build-up (glass / interlayer / glass) | Interlayer volume fraction | Interlayer mass fraction | Minimum soak at 125 °C |
|---|---|---|---|
| 4 mm / 0.38 mm / 4 mm | 4.5 vol% | 1.8 wt% | 35 min |
| 5 mm / 0.76 mm / 5 mm | 7.1 vol% | 2.8 wt% | 55 min |
| 6 mm / 0.76 mm / 6 mm | 6.0 vol% | 2.4 wt% | 60 min |
| 8 mm / 0.38 mm / 8 mm | 2.3 vol% | 0.9 wt% | 40 min |
In full-height demountable partition systems, the serviceability limit is usually edge-junction adhesion around point-fixing holes and polished edges, not the centre-of-lite impact performance. EVERLAM COLORED is laminated in a 4 mm / 0.38 mm / 4 mm or 5 mm / 0.76 mm / 5 mm symmetrical stack; the first configuration places the interlayer addition ratio at 4.5 vol% and 1.8 wt% of total laminate mass, while the second places it at 7.1 vol% and 2.8 wt%. Holes for point fixings are water-jet or CNC-bored before tempering; after toughening to EN 12150-1:2015, the bore edges cannot be modified without fracturing the glass. During layup, the colored EVA film should not intrude into the fixing hole annulus by more than 1.0 mm, because post-cure film creep under continuous point load produces edge squeeze-out and local delamination. The laminating cycle in a two-chamber vacuum furnace starts at −0.092 MPa and 72 °C for 30 min, followed by a 128 °C soak for 50–65 min; the pressure-cooling plate returns the laminate to 40 °C before vacuum release. If gel content falls below 80 %, residual uncured peroxide and vinyl acetate segments remain mobile, and cold-flow at bore edges can exceed 2.0 mm after 6 months of dead-load service. Compliance for the glazing unit is verified under EN 12600:2002, with partition-specific mechanical testing often referencing EN ISO 12543-2:2021 and fixing load requirements in EN 12150-1:2015. Terminal parts include point-supported office partitions, full-height meeting room facings, frameless door leaves, and modular room dividers with aluminium shoe glazing channels.
For high-humidity laminated shower enclosures, the control variables are edge-seal hydrolytic stability and pigment migration under repeated wet-dry cycling. EVERLAM COLORED is inserted as a 0.38 mm interlayer between 6 mm tempered glass plies, giving an interlayer addition ratio of 3.1 vol% and a mass fraction of 1.2 wt% for a 6 mm / 0.38 mm / 6 mm build. The lower mass fraction is preferred over 0.76 mm film because shower hardware clamp tolerances and hinge mortise depth are commonly specified for total laminated thickness of 12.38 mm, not 13.14 mm. Holes and hinge cutouts are machined before thermal tempering to EN 12150-1:2015; edge polishing after lamination must not use solvent-based compounds because residual ketone or ester carriers can diffuse into the EVA edge and lower interfacial shear strength. Lamination uses a vacuum bag oven at −0.095 MPa with a 75 °C de-airing plateau for 30–40 min and a 125–130 °C cure hold for 45–60 min. During the cure plateau, high local humidity is not required; the film itself contains 28–33 wt% vinyl acetate, which requires silane coupling agents to achieve moisture-insensitive glass adhesion. Edge sealants in the finished enclosure must be neutral alkoxy-cure silicone; acetoxy-cure silicone releases acetic acid that attacks the EVA/glass interface and produces edge clouding over 500–1000 h at 50 °C / 95 % RH. Long-duration durability is assessed under EN ISO 12543-4:2021, impact safety under EN 12600:2002, and colorfastness under ISO 105-B02:2014. Published data for this specific configuration is limited, so production validation should include 85 °C / 85 % RH storage for 1000 h with visual and peel-strength checks at the edge. Terminal products include hinged shower doors, sliding tub screens, fixed wet-room partitions, and back-painted decorative shower wall panels.
Building-integrated photovoltaic modules using colored EVA encapsulation present a measurable trade-off between short-circuit current density and architectural color uniformity. In these laminates, EVERLAM COLORED is employed as the front cover layer at 0.45 mm, paired with a clear EVA rear layer at 0.45 mm, between low-iron patterned solar glass and a rear polymer backsheet or second glass pane. The front colored EVA layer is not merely a pigment-coated film; the formulation envelope for pigmented encapsulant grades typically contains 28–33 wt% vinyl acetate resin, 0.5–1.5 wt% peroxide curing agent, 0.1–0.5 wt% silane adhesion promoter, 0.1–0.3 wt% UV stabilizer, and 1.0–4.0 wt% inorganic or high-temperature organic pigments relative to EVA resin mass. The pigment addition ratio must be matched to the lamination temperature because some organic pigments degrade at 145–150 °C and shift the module color by more than 2.0 ΔE*ab units during cure. Standard module manufacture is conducted in a vacuum laminator at 145–150 °C and 30–50 Pa absolute chamber pressure for 15–20 min, followed by curing to a gel content above 80 %. The use of colored front EVA reduces photon transmission to the cell; a mid-tone gray or terracotta layer can reduce short-circuit current density by 12–18 % relative to clear EVA, although published data for this specific configuration is limited and must be measured on an A-class solar simulator per IEC 60904-9:2020. Module qualification is performed under IEC 61215-2:2021 for design qualification and IEC 61730-2:2016 for safety qualification, with building-level requirements under EN 50583-1:2016 where the module forms part of a facade or roof envelope. Terminal finished products include colored BIPV facade modules, spandrel-integrated PV panels, solar shading fins, and demonstration curtain-wall units with non-standard module appearance.
Non-structural furniture lamination with pigmented EVA is a lower-pressure vacuum-bag operation that tolerates curved or shaped glass but imposes stricter edge-finishing limits than PVB autoclave processes. EVERLAM COLORED is used in 0.38 mm or 0.76 mm thickness for laminated glass table tops, desktops, shelving, and cabinet fronts. A 5 mm / 0.76 mm / 5 mm tabletop contains an interlayer addition ratio of 2.8 wt% by total laminate mass, while a 6 mm / 0.38 mm / 6 mm shelf contains 1.2 wt%. The film is laid up in a clean room after the glass has been edge-arrised and washed; dust particles larger than 0.1 mm can create local optical defects in dark pigment films because the colored interlayer has lower luminous transmittance and makes entrapped particles visible. Vacuum bag lamination proceeds at −0.090 MPa to −0.095 MPa with a 70 °C de-airing hold for 20–30 min and a 125–130 °C cure hold for 35–55 min depending on glass thickness. Autoclaving is not required for EVA interlayers in non-structural furniture, which reduces energy input but demands that the vacuum bag membrane remain sealed during the entire cool-down phase; early vacuum release above 50 °C creates edge bubbles in deeply pigmented films. Compliance for the glass components is evaluated under EN 12150-1:2015 for thermally toughened glass and EN 12600:2002 for impact safety, while furniture-specific loading and stability requirements are referenced to EN 14072:2003. Solvent-based edge sealants and isopropanol-containing cleaners must be avoided because they swell the EVA edge and reduce bond strength; only demineralized water or approved neutral aqueous cleaners should contact the exposed interlayer edge. Terminal products include laminated glass table tops, office desk surfaces, tempered glass shelves, cabinet door panels, and display-case shelves.
Under EN 45545-2:2020, the organic mass in a rail interior glazing unit is not treated as inert because the EVA interlayer contributes to heat release, smoke density, and flame spread during a vehicle fire event. EVERLAM COLORED is used in rail interior partitions and door glazing only when the vehicle-level fire load calculation includes the interlayer mass. A 4 mm / 0.38 mm / 4 mm build places the interlayer addition ratio at 1.8 wt% of the laminate mass and 4.5 vol%; a 5 mm / 0.76 mm / 5 mm build raises the organic mass fraction to 2.8 wt%, which may require a separate fire-load evaluation because the added vinyl acetate content increases peak heat release in ISO 5660-1:2015 cone calorimetry. The lamination process for rail interior panels is a vacuum bag cycle with a 72 °C plateau and a 128–132 °C cure soak for 55–70 min, followed by slow cooling to ≤40 °C before edge trimming. Because rail glazing is subject to optical distortion limits in EN ISO 12543-2:2021, the cooling phase must be uniform within ±3 K across the lite to avoid local changes in film refractive index and visible mottle in dark pigments. Fire performance is tested as a complete glazing assembly, not as an isolated film: the panel assembly is assessed under EN 45545-2:2020, with smoke emission quantified by ISO 5659-2:2017 and heat release by ISO 5660-1:2015. Authorities may also require NFPA 130:2020 documentation for North American transit systems. Terminal finished products include interior partition screens, door glazing, dado panels, and decorative protective glazing in rail vehicle interiors.
Competitive EVERLAM COLORED prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
With a plasticized polyvinyl butyral matrix carrying dispersed inorganic and organic colourants, EVERLAM COLORED is a coloured interlayer for laminated safety glass in architectural applications. The product is not a coated film; the colourants are distributed through the full thickness of the PVB, so edge delamination does not expose a transparent layer at the cut edge. The product line is identified by colour family and nominal single-ply thickness rather than by an alphanumeric model code. Standard single-ply thicknesses are 0.38 mm, 0.76 mm and 1.52 mm; multi-ply build-ups are assembled to reach 0.76 mm to 2.28 mm and above. Architectural PVB interlayers in this class are commonly supplied in roll widths up to 3,210 mm, although published data for specific roll length and width combinations for EVERLAM COLORED is limited and should be confirmed against the manufacturer’s current routing.
In comparison with clear PVB, the integrated pigments reduce luminous transmittance and solar transmittance and shift the g-value of the finished laminate. Because the spectral selection is created by the interlayer rather than by body-tinted glass, a fabrication site can stock clear float glass and change the coloured appearance at the laminating table. This is the principal operational difference from body-tinted float glass in architectural glazing production. The colour range is prepared in neutral grey, bronze, green, blue and translucent white families, with project-specific intermix runs possible when the order volume supports dedicated extrusion.
Extrusion is performed on flat-die lines with a three-roll calendering stack after compounding of PVB resin, plasticizer and a pigment masterbatch. Masterbatch production frequently uses co-rotating twin-screw compounding with length-to-diameter ratios above 40:1 to disperse high-pigment-load concentrates. The concentrate is then gravimetrically dosed into the PVB feed. High-shear dispersion in the final extruder is required to break down pigment agglomerates, and the melt is filtered before the flat die to reduce visible particles. Melt temperature is held within a narrow window to avoid thermal degradation of the organic pigments; sustained excursions above 190°C can cause a yellow shift and reduced colour repeatability. At the die exit, melt temperature is typically controlled within ±3°C of the target to avoid colour drift. After calendering, the film is cooled, edge-trimmed and wound under controlled tension to avoid blocking and thickness variation. Automatic edge trimming removes the calender edge bead because the bead has different thickness and colourant concentration.
Representative class values for plasticised PVB interlayer film are summarised in Table 1. These are not batch release values for every colour reference; the manufacturer’s certificate of analysis should be obtained for project-specific data.
| Property | Test method | Representative range |
|---|---|---|
| Density | ISO 1183-1:2019 | 1.06–1.08 g/cm³ |
| Tensile strength | ISO 527-3:2018 | 20–28 MPa |
| Elongation at break | ISO 527-3:2018 | 200–300% |
| Moisture content after conditioning | Gravimetric | 0.40–0.60% |
| Laminated glass visible transmittance | ASTM D1003-21 | Colour-dependent |
On a flat-glass lamination line equipped with an in-line washer, a lay-up room maintained at 18–22°C and 20–30% RH, and a nip-roller de-airing station, the coloured PVB interlayer is placed between two clean glass lites. The interlayer is conditioned to 0.40–0.60% moisture by weight before lay-up. Insufficient moisture reduces glass adhesion; excess moisture can produce edge bubbles during autoclave. Nip roller surface temperature is maintained at 60–90°C. At temperatures below 60°C, edge sealing is incomplete and air can re-enter the stack. At temperatures above 90°C, premature adhesion at the glass edge can trap air in the centre of the laminate. Autoclave cycles typically use 12–14 bar pressure at 130–140°C with a hold time of 30–90 min, depending on glass thickness, load size and edge profile. Autoclave temperature uniformity is verified with thermocouples placed between dummy lites at the centre and edge of the load; a difference greater than 5°C can produce non-uniform adhesion.
A production bottleneck observed on operating laminating lines is roll conditioning: a 1.52 mm single-ply roll removed from storage at 15–25°C may require more than 24 h to reach uniform lay-up temperature and moisture equilibrium before the first sheet is cut. Edge trimming after autoclave should remove all exudate; PVB exudate can adhere to cutting tables and transport rollers if not cleaned with approved solvents. Batch-to-batch variation in thickness and colour is checked at incoming inspection because thickness deviation outside the manufacturer’s tolerance can transfer to the glass and create localised optical distortion in tempered glass with roller-wave irregularity.
Batch-to-batch colour stability is evaluated by spectrophotometric measurement using CIELAB coordinates under D65 illuminant and 10° observer geometry. Incoming-inspection limits commonly specify ΔE* ≤ 2.0 against a project master plaque. The dominant extrusion parameters are the pigment masterbatch feed rate, melt temperature profile, die pressure stability and draw ratio between the die lip and the calender. A fluctuating draw ratio changes film thickness and colourant concentration per unit area, producing visible banding. Calender roll temperature affects surface texture and the orientation of the PVB film; inconsistent cooling across the web width can create optical anisotropy that is more visible in dark grey and bronze colours than in light transparent colours.
On a production line, colour streaks observed at the exit of the flat die are usually traced to insufficient dispersion of pigment agglomerates or to periodic feed interruptions from the masterbatch dosing unit. Melt filtration and static mixers are used before the die to reduce this failure mode. Published data for this specific configuration is limited; therefore, a first article lamination and spectrophotometric scan of the finished laminated panel are required before full production starts. The measurement geometry for translucent laminates should use an integrating sphere to include scattered light; a 0° transmission-only measurement can understate colour difference in hazy or translucent white interlayers.
When a decorative spandrel specification is changed from body-tinted float glass to clear float glass with a coloured PVB interlayer, the float glass inventory can be reduced to clear stock sheets, and colour changes can be made without ordering a new tinted glass melt. Body-tinted glass requires minimum campaign volumes and longer lead times for non-standard colours. The interlayer-based approach moves colour control to the laminating operation, but it does not remove the need for ceramic frit or other opaque back-painted layers where full spandrel concealment is required. A coloured interlayer alone may not provide sufficient opacity to hide insulation or structural elements in high daylight intensity.
Compared with ethylene-vinyl acetate interlayers, plasticised PVB generally requires the controlled moisture and autoclave cycle described above, whereas EVA is often processed in a vacuum bag at lower temperatures. EVA is widely used in photovoltaic encapsulation, but its long-term glass adhesion and creep behaviour in large architectural laminates differ from PVB; published data for this specific comparison is limited and must be developed for the project. Compared with ionomer interlayers, coloured PVB has a wider colour range and lower material modulus. Ionomer interlayers provide higher stiffness and are commonly selected for structural or hurricane-resistant glazing, but their colour palette is narrower and their edge seal requirements differ. The final selection should be based on the mechanical load case, not on colour alone.
Coloured PVB is hygroscopic. In exterior applications with exposed laminate edges, moisture ingress can produce edge defects over time. Edge seal compatibility with silicone, polysulfide and polyurethane is project-specific; amine-containing formulations that release volatile amines can interact with the plasticised PVB and should be tested before specification. Thermal stress analysis is required when a dark coloured interlayer increases solar absorption in the laminate; the calculation should follow EN 16612:2019 or the equivalent national practice for glass load resistance and thermal stress.
Regulatory documentation for architectural glazing products is assembly-based; a PVB interlayer cannot be certified as safety glass by itself. The laminated glass fabricator is responsible for full assembly testing, marking and declaration of performance. Table 2 lists the standards commonly referenced in project specifications for laminated safety glass containing coloured PVB.
| Standard or regulation | Designation | Application in approval process |
|---|---|---|
| European product standard | EN 14449:2005 | Laminated glass and laminated safety glass conformity |
| Safety glass classification | EN ISO 12543-2:2021 | Performance classes and test requirements for laminated safety glass |
| Test methods | EN ISO 12543-4:2021 | Optical, mechanical and durability test procedures |
| Glass load resistance | EN 16612:2019 | Calculation of load-induced stress and deflection |
| Optical transmission and haze | ASTM D1003-21 | Laboratory measurement of luminous transmittance and haze |
| Safety glazing – USA | ANSI Z97.1-2015 | Safety glazing materials used in buildings |
| CPSC safety glazing | 16 CFR 1201 | Impact test categories for architectural glazing in the United States |
| Chemical regulation – EU | REACH (EC) No 1907/2006 | Registration, evaluation and authorisation of chemical substances |
| Hazardous substances – EU | RoHS 2011/65/EU | Restriction of hazardous substances in electrical and electronic equipment; not applicable to all architectural glass |
For exterior use, project-specific weathering and edge durability validation is required because the compliance of the interlayer does not automatically confer durability of the completed laminate under site-specific thermal, moisture and sealant conditions. For applications involving fire-resistant glazing, the whole assembly must be tested to the relevant classification standard such as EN 13501-2:2023; the coloured PVB interlayer is not a fire-rated component by itself.
