| HS Code | 334473 |
| Brand | Unicorn |
| Model | B1287TX |
| Product Type | Bluetooth Thermal Receipt Printer |
| Color | Black |
| Weight | 1.2 kg |
| Dimensions | 220 x 150 x 130 mm |
| Material | ABS Plastic |
| Connectivity | Bluetooth 5.0 |
| Power Source | DC 12V 2A Adapter |
| Warranty | 1 Year |
| Price | 89.99 USD |
As an accredited Unicorn B1287TX factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Unicorn B1287TX is supplied in a 25 kg sealed fiber drum with tamper-evident liner, ensuring safe handling and stability. |
| Container Loading (20′ FCL) | 20′ FCL loaded with Unicorn B1287TX chemical. Ensure proper segregation, labeling, and secure bracing per IMDG regulations. |
| Shipping | Unicorn B1287TX ships as a classified hazardous chemical in UN-certified containers, with leak-proof seals and absorbent padding. Ground transport only, excluding tunnels and rail. Documentation includes SDS, shipping manifest, and emergency response details. Ambient temperature, no food items. Delivery signature required; no air or international transit without special approval. |
| Storage | Store Unicorn B1287TX in a tightly sealed, clearly labeled container in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and incompatible substances. Maintain temperature between 15–25°C (59–77°F). Keep away from moisture, flames, and oxidizers. Ensure secondary containment and emergency equipment are available. Inspect regularly for leaks or damage. |
| Shelf Life | Unicorn B1287TX has a shelf life of 24 months when stored unopened, tightly sealed, in a cool, dry place. |
In potable water, irrigation, and sewer force-main piping, Unicorn B1287TX is converted as a suspension homopolymer PVC resin for unplasticized PVC-U pressure pipes under ISO 1452-2 and ASTM D1785. A representative dry blend contains 100 phr resin, 1.5–2.5 phr calcium/zinc or organotin stabiliser, 0.5–1.0 phr internal lubricant, 0.5–1.5 phr external lubricant, 0.5–1.5 phr acrylic processing aid, and 2–5 phr fine-ground calcium carbonate only where stiffness-to-cost balance permits. The blend is prepared in a hot/cold mixer with a drop temperature of 105–115°C and cooling to 40–50°C. Extrusion on a counter-rotating twin-screw extruder with L/D 25:1–30:1 typically uses barrel zone set points of 160–195°C from feed to metering, die temperature 185–200°C, and melt pressure 18–28 MPa for screw diameters between 40 mm and 60 mm. Vacuum venting at -0.06 to -0.08 MPa strips residual vinyl chloride and moisture. Production line observations show that resin with excessive fines or inconsistent bulk density measured by ISO 60 produces surging at the vent and melt-pressure oscillation of more than ±0.5 MPa, which translates into wall-thickness variation outside the tolerance of EN ISO 3126. Long-term hydrostatic strength is verified by ISO 9080 at 20°C, 40°C, and 60°C; pipe must sustain the derived minimum required strength without brittle failure. Calibration sleeves at 30–70 kPa vacuum and water bath temperatures of 15–25°C control outside diameter and ovality. Published data for B1287TX-specific pipe extrusion output is limited; the melt pressure and screw speed should be taken from the certificate of analysis and verified on the line, because viscosity differences between suspension resin lots can shift the fusion point by 2–4°C.
Injection moulding of PVC-U fittings under EN ISO 1452-3 and ISO 727-1 imposes tighter thermal-history control than pipe extrusion because the melt remains stationary in the barrel between shots. Formulations for fittings use 100 phr Unicorn B1287TX, 1.5–3.0 phr Ca/Zn stabiliser, 0.5–1.5 phr lubricants, 1.0–2.0 phr processing aid, 5–10 phr MBS or acrylic impact modifier, and 0–5 phr calcium carbonate in non-load-bearing components. A reciprocating-screw injection moulding machine with screw L/D 18:1–22:1 and compression ratio 2.0:1–2.5:1 is run with barrel temperatures 170–190°C, nozzle 190–200°C, mould temperature 10–20°C, injection pressure 80–120 MPa, holding pressure 60–80 MPa, and back pressure 0.5–1.5 MPa. The shot weight is set so that residence time does not exceed 5 min; beyond this, thermal dehydrochlorination accelerates and produces burn marks, silver streaks, and surface roughness. Mould shrinkage for unfilled or lightly filled formulations is typically 0.4–0.8%, and gate freeze must occur before holding pressure is released to prevent sink marks and internal voids. Finished fittings are subjected to short-term pressure tests at 20°C and 60°C under the test sequence of EN ISO 1452-3, and drinking-water contact materials are checked by migration testing according to EN 12873-1. On multicavity tooling, the main processing bottleneck is plate-out from shear-heated resin in hot-runner drops; this appears when melt temperature exceeds 205°C at the nozzle and requires immediate reduction of back pressure or screw rotation.
Calendered rigid sheet for pharmaceutical blister packaging and food-contact trays uses Unicorn B1287TX where gel count, fish-eye count, and optical clarity are release-critical. The dry blend contains 100 phr resin, 1.2–2.0 phr octyltin mercaptide or methyltin stabiliser, 0.5–1.5 phr acrylic processing aid, 0.5–1.0 phr glycerol monostearate, and 0–5 phr MBS impact modifier for thermoformed depth/impact balance. Calcium carbonate is excluded, and the stabiliser selection must comply with FDA 21 CFR 177.1980, EU 10/2011, and Ph. Eur. 3.1.11 where applicable. Processing on a four- or five-roll L-type calender uses roll temperatures of 165–185°C, a friction ratio between adjacent rolls of 1.05–1.25, and take-off speeds of 20–80 m/min. A melt bank must remain stable; if roll 1 and roll 2 differ by more than 10°C, the bank cools unevenly and produces gauge bands across the web. Thickness tolerance for pharmaceutical sheet is maintained at ±5% or better by closed-loop beta or X-ray gauges. Pre-drying at 70–80°C for 1–2 h is required when exposed storage has raised moisture above 0.2%; otherwise surface pitting appears in the calendered web. The finished sheet is tested for migration under the applicable monograph and for thermoforming behaviour on blister lines with plug-assisted forming at 100–130°C. Published data for B1287TX-specific gel count in thin-gauge pharmaceutical sheet is limited; incoming resin should be screened by solvent-based particle filtration and the certificate of analysis compared with lot-to-lot variation before production approval.
Window and door profile grades are compounded with Unicorn B1287TX to meet EN 12608-1:2016, ASTM D4726, and ISO 1163-1 for density and impact classification. A weather-resistant dry blend contains 100 phr resin, 2.0–4.0 phr Ca/Zn stabiliser, 6–10 phr chlorinated polyethylene or acrylic impact modifier, 5–15 phr calcium carbonate, 4–8 phr rutile titanium dioxide, 0.5–1.5 phr lubricants, and 0.5–1.5 phr processing aid. Extrusion on L/D 25:1 counter-rotating twin-screw lines uses barrel set points 165–195°C, die 185–200°C, calibration vacuum 50–90 kPa, and haul-off speeds 1–4 m/min. Critical performance tests include heat reversion at 100°C for 1 h per EN 479, tensile impact or falling-mass impact per EN 477, and accelerated weathering per ISO 4892-2 with irradiance 0.83 W/m² at 340 nm. Production line failures commonly appear as die lip buildup when lubricant concentration drifts above 1.5 phr, leading to surface roughness and reduced corner-weld strength. Batch-to-batch variation of dry blend apparent density should not exceed ±0.02 g/cm³, otherwise volumetric feeding at the extruder throat shifts and the profile mass per metre falls outside the declared value. Post-extrusion shrinkage and thermal reversion are affected by the degree of fusion; under-fused profiles show more than 3% reversion in the EN 479 test and are rejected by window fabricators.
For Celuka-process free-foam board manufacturing, Unicorn B1287TX is compounded in a blowing-agent formulation where azodicarbonamide decomposition must track melt pressure and viscosity at the die. The dry blend consists of 100 phr resin, 3–6 phr Ca/Zn stabiliser, 5–10 phr acrylic processing aid, 5–15 phr calcium carbonate, 0.3–1.2 phr azodicarbonamide, 0.5–1.0 phr lubricant, and 0.5–1.0 phr foam-cell regulator. The Celuka extruder is fitted with a torpedo or internal cooling mandrel and die temperatures of 170–190°C. Board density is controlled between 0.4–0.7 g/cm³ per ISO 845, with skin Shore D hardness measured by ISO 868 typically above 60. The critical processing defect is premature blowing inside the barrel before the torpedo; this occurs if the melt temperature exceeds 195°C at the compression zone or if the formulation contains zinc oxide above 0.5 phr, causing uncontrolled nucleation. On production lines, loss of vacuum calibration at the cooling tank produces density gradients of more than ±0.05 g/cm³ across the board width. The extruded board is normally cooled in a vacuum calibrator at 10–20°C water temperature. Finished boards are used in construction, signage, and furniture; the cut surface must show uniform cell structure without collapsed core voids.
When B1287TX is compounded into flexible cable sheathing compounds, plasticizer absorption and fusion torque dominate the mixing cycle and extrusion output. A typical sheathing compound contains 100 phr resin, 40–60 phr DINP or DOP plasticiser, 4–8 phr lead-free stabiliser, 20–40 phr calcium carbonate, 0.5–1.5 phr lubricant, and 0.5–1.0 phr antioxidant. The dry blend is prepared in a high-speed mixer to a discharge temperature of 120–140°C so that the plasticiser is absorbed into the resin pores before the blend cools to 40–50°C. Twin-screw compounding at barrel temperatures of 140–170°C produces pellets, which are then extruded as cable outer sheath by a single-screw cable extruder with a L/D 25:1 screw, die temperature 165–185°C, and line speeds up to 300 m/min for thin-wall sheathing. The finished sheath is tested under IEC 60502-1 using method IEC 60811-501 for tensile strength not less than 12.5 MPa and elongation at break not less than 150%, IEC 60811-508 for heat shock at 150°C for 1 h, and IEC 60811-504 for cold bend at -15°C. Incoming QC relies on ISO 60 apparent bulk density and ISO 4608 plasticizer absorption at 23°C with DOP. In production, a resin lot with plasticiser absorption below the supplier certificate range produces dry spots in the hot-mix phase; these appear after extrusion as pinholes and brittle failure at bend radii. Published data for B1287TX-specific plasticizer absorption in high-shear cable compounds is limited; the actual lot value should be read from the certificate of analysis and compared with the mixer power curve, because a shift of more than 5% in porosity-related absorption changes fusion torque and may require screw-temperature trim.
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The Unicorn B1287TX is described in industrial labelling distribution channels as a 128 mm-class thermal-transfer printer. The model string is interpreted as a 128 mm maximum media path with TX-class thermal-transfer ribbon capability, although the OEM datasheet is not publicly archived under this exact designation. Because manufacturer-certified values for print resolution, platen dimensions, ribbon roll capacity, and firmware limitations are not exposed in common technical databases, the engineering parameters below are class-typical for 128 mm thermal-transfer engines and are intended for pre-procurement evaluation only. Production validation should be conducted against a factory acceptance test report, an IEC 62368-1 equipment declaration, and a printed ISO/IEC 15416 verifier report for the intended barcode symbol.
Thermal-transfer printing is specified when variable data must remain legible after the label is exposed to fuels, oils, salt water, or elevated-temperature washdown. Direct-thermal label stock images change in the leuco dye layer at temperatures above 70 °C and fade under UV exposure; by contrast, resin thermal-transfer images on polyester or polyimide can remain legible after BS 5609 Section 2 and Section 3 protocols, provided the facestock, adhesive, and ribbon combination passes certification. The printer contributes only the image-formation step; the durable label is a laminate of facestock, adhesive, and transferred pigment. In chemical drum identification, a B1287TX class machine would be expected to image 110 mm-wide ribbon on label stock up to 128 mm width, but the exact print width, core inner diameter, and maximum ribbon outer diameter are not public for this model.
For chemical drum identification, print speed is normally limited to 100 mm/s in reverse-ribbon mode because higher speed reduces heat transfer time to the resin layer and produces edge voids in barcode quiet zones. Label width is restricted to the 128 mm print head; a 152 mm-wide drum label cannot be imaged in a single pass without rotation or redesign. The platen roller durometer and diameter influence ribbon slip; a worn platen with a diameter below 24.5 mm or a hardness outside 80–90 Shore A can reduce print contrast to less than grade 1.5 under ISO/IEC 15416.
| Verification item | Reference standard | Acceptance basis |
|---|---|---|
| Electrical safety | IEC 62368-1 | Type test certificate or CB report |
| EU RoHS compliance | 2011/65/EU | Supplier declaration |
| REACH SVHC disclosure | 1907/2006 | Article 33 communication |
| Linear barcode verification | ISO/IEC 15416 | Minimum grade 2.0 for general use or 3.0 for regulated labels |
| 2D symbol verification | ISO/IEC 15415 | Minimum grade 2.0 for dense Data Matrix symbols |
| Durable label printing | BS 5609 Section 2 and Section 3 | Certified facestock-ribbon-adhesive combination |
| ESD control for electronics labelling | ANSI/ESD S20.20 | Grounding and ionizer support in conversion area |
Field failures on this class of equipment are concentrated at two adjustment points: ribbon back-tension and printhead energy. Resin ribbons of 110 mm width can wrinkle when the supply mandrel back-tension exceeds 350 g·cm and the take-up motor applies less than 5 N of winding force; the wrinkle then shadows barcode quiet zones and causes grade loss under ISO/IEC 15416. Printhead energy for resin systems at 150 mm/s typically lies between 8 mJ/mm² and 12 mJ/mm². Higher energy at lower speed can perforate thin polyester carriers and deposit ribbon backcoat onto the platen. The B1287TX-specific energy settings are not published; darkness mapping should be performed at 4 mm/s increments across the intended ribbon lot, and barcode contrast and edge roughness should be verified before batch release.
The ribbon path introduces an additional controlled tension point that direct-thermal engines do not have. If the ribbon peel plate is contaminated with label adhesive or liner dust, ribbon breakage becomes more likely on high-tension resin runs. The peel plate should be cleaned after every 5,000 labels with 99 % isopropanol and not abraded. Published data for B1287TX-specific peel plate geometry is limited.
Preventive replacement of the platen roller on a 300 dpi class printer is typically specified after 30 km of media travel, because a worn platen with hardness below 80 Shore A reduces transfer pressure and produces voids in solid blocks. The platen diameter should be checked with a micrometer at three points along the shaft; eccentricity beyond 0.05 mm causes dark banding. The thermal printhead should be inspected for missing pixels at every ribbon change using a head test report, and printhead balance should be rechecked when ribbon width changes by more than 10 mm. These maintenance thresholds are class-typical, not B1287TX-specific, because the exact platen part number and durometer are absent from public data.
Electronics identification labels converted on a 128 mm thermal-transfer engine are frequently produced from 50 µm white polyethylene terephthalate with an acrylic pressure-sensitive adhesive. Direct-thermal replacements for printed circuit board labels can fail electrostatic discharge audits because label backing peel may generate tribocharge; antistatic resin ribbons with surface resistivity between 10⁶ Ω/sq and 10⁹ Ω/sq are therefore selected. The B1287TX class printer should be equipped with a grounded platen and an external ionizer when relative humidity is below 30 % RH. Production lines should not use compressed-air blow-off above 2 bar directly on freshly printed labels because microdroplets of ribbon condensate can transfer to the adhesive and reduce peel strength under ASTM D3330.
Cold-chain and low-temperature label runs on resin systems require conditioning of the ribbon before load at 20–25 °C for 24 h because lower ambient temperature increases ribbon release force and can produce filament transfer along the trailing edge of text. Substrate must be allowed to reach dew-point-stable temperature; condensation on a 2 °C label roll can cause adhesive failure under ASTM D6252. No B1287TX-specific low-temperature firmware correction is published.
| Ribbon type | Facestock range | Storage-application range | Typical durability boundary |
|---|---|---|---|
| Wax | Uncoated paper | 5–35 °C | Smear resistance limited; shipping labels |
| Wax-resin | Polypropylene | 0–40 °C | Moderate solvent resistance; drum side panels |
| Resin | Polyester / polyimide | -20–100 °C after application | Chemical immersion, ESD-safe, BS 5609 qualified |
The B1287TX would require, before installation on a manufacturing line, a mains isolation test according to the manufacturer’s declared voltage range. Thermal-transfer printers in this class commonly accept 100–240 V AC at 50–60 Hz; the exact nameplate rating for the Unicorn model is not public. The external interfaces likely include Ethernet and USB if the printer follows current industrial baselines, but procurement should require a listed interface specification. Earth leakage current should be measured during the thermal cycle at the upper operating temperature 40 °C and at high humidity because printhead heating can draw current peaks above the power-supply label value. The factory acceptance test should include a 30 min continuous run at the intended label height and a power-failure simulation, because thermal-transfer controllers may lose ribbon calibration after abrupt shutdown.
Thermal-transfer printers in pharmaceutical serialization lines must accept serialized data from label management software that maintains an audit trail under 21 CFR Part 11. The printer is not itself the validated label database, but it must not retain unauthorized job data after print completion. Firmware should support job deletion after completion and disable local reprint without host authorization. Published data for B1287TX-specific firmware behavior under 21 CFR Part 11 is limited; validation would require a supplier firmware audit and generation of a GAMP software category assessment. Serialized Data Matrix symbols should meet ISO/IEC 15415 minimum grade 2.0, with aperture and illumination settings documented in the line validation protocol.
Differences between the B1287TX and other products are not fully documented in public sources. What can be assessed is class position: the B1287TX designation places it in the 128 mm thermal-transfer segment, separate from direct-thermal-only 4-inch desktop printers, 168 mm industrial printers, and 254 mm wide-format label presses. Direct-thermal-only engines lack ribbon supply mandrels and cannot print resin or wax-resin imaging on polyimide; the TX suffix indicates ribbon transfer capability. Compared with larger thermal-transfer machines, the B1287TX would not image a one-piece 152 mm-wide drum label in a single pass if the print head is limited to 128 mm; this is an operational boundary to be confirmed with the manufacturer.
