Dongguan Zhongen PC/ABS 2800-111
- Product Name: Dongguan Zhongen PC/ABS 2800-111
- Factroy Site: Yinchuan, Ningxia, China
- Price Inquiry: sales8@ascent-chem.com
- Manufacturer: Ascent Petrochem Holdings Co., Limited
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- Dongguan Zhongen PC/ABS 2800-111 is typically used in formulations when heat resistance and impact strength and processing temperature and moisture content must be controlled within specific ranges.
| HS Code | 781627 |
| Gradename | Dongguan Zhongen PC/ABS 2800-111 |
| Materialtype | PC/ABS alloy |
| Flameretardancy Ul94 | V-0 |
| Moldingshrinkage Percent | 0.4-0.6 |
| Processingtemperature C | 230-270 |
| Moldtemperature C | 50-80 |
As an accredited Dongguan Zhongen PC/ABS 2800-111 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Dongguan Zhongen PC/ABS 2800-111 is supplied in 25 kg sealed bags, palletized for safe industrial storage and transport. |
| Container Loading (20′ FCL) | Dongguan Zhongen PC/ABS 2800-111 chemical loaded into a 20-foot FCL container, securely stowed and sealed for shipment. |
| Shipping | Shipping description: Dongguan Zhongen PC/ABS 2800-111, PC/ABS resin pellets, non-hazardous and not regulated for transport. Pack in moisture-barrier bags/containers; keep dry, away from heat and sunlight. Label product name, grade, lot, and manufacturer. No UN number, hazard class, or packing group required. Confirm against current SDS. |
| Storage | Store Dongguan Zhongen PC/ABS 2800-111 in a cool, dry, well-ventilated warehouse, away from direct sunlight, heat sources, moisture, and incompatible chemicals. Keep original packaging sealed, clean, and palletized; avoid dust, contamination, and physical damage. Maintain stable temperature and humidity, observe shelf life, prevent excessive stacking, and follow the supplier SDS and local regulations. |
| Shelf Life | Dongguan Zhongen PC/ABS 2800-111: typically 12 months in original unopened packaging, stored dry, cool, and protected from direct sunlight. |
Applications of Dongguan Zhongen PC/ABS 2800-111
For heating, ventilation and air-conditioning carrier assemblies where moderate heat resistance and low warpage are the controlling requirements, Dongguan Zhongen PC/ABS 2800-111 is evaluated as an injection molding feedstock. On a production-scale 3,200 kN hydraulic injection press with screw 20:1 L/D ratio and compression ratio 2.2:1, first article failure is usually sink over the boss array rather than short shot when hold pressure is less than 65 MPa. The pellets are dried at 80 °C for 4 h in a desiccant dryer delivering air at a dew point of -40 °C, bringing residual moisture below 0.02 % before melt. Melt temperature is kept between 250 °C and 270 °C, and the mold surface is held at 70–90 °C to reduce frozen-in stress in rib roots. Hot runner systems with valve gates are preferred because open hot tips produce streak marks in visible texture when melt temperature approaches 270 °C. Interior flammability is verified by FMVSS 302 and ISO 3795:1989, while volatile organic compound and fogging behavior are assessed by VDA 278:2011-10 and DIN 75201:2011. Impact strength is specified from notched Charpy values under ISO 179-1:2010 at 23 °C and -30 °C, with the low-temperature value used as the lot release control for cold-room vehicle testing. Terminal parts include HVAC duct flanges, defroster grille retainers, climate sensor brackets and lower instrument panel carrier supports.
| Wall stock | Melt temperature | Mold temperature | Residual moisture | Hold pressure |
|---|---|---|---|---|
| 1.2–1.5 mm | 255–275 °C | 80–95 °C | ≤0.02 % | 65–85 MPa |
| 2.0–2.5 mm | 250–270 °C | 75–90 °C | ≤0.02 % | 60–80 MPa |
| 2.5–3.5 mm | 245–265 °C | 70–85 °C | ≤0.02 % | 55–75 MPa |
What Limits Thin-Wall Fill in Notebook Base Covers?
When the part wall is 1.2–1.5 mm, flow length-to-wall ratios above 120:1 require high melt temperature but raise the risk of polycarbonate chain scission if residence time exceeds 6 min. The injection unit on a thin-wall cell is therefore sized so that shot volume is 40–70 % of barrel capacity, and screw recovery time is not allowed to exceed cooling time. Dongguan Zhongen 2800-111 is processed at a melt temperature of 255–275 °C, measured at the nozzle by immersion probe, and the mold is maintained at 80–95 °C with turbulent flow through restrictor plugs at each cavity insert. Injection speed is set between 200 mm/s and 350 mm/s at the screw, producing fill times of 0.8–1.2 s for 1.5 mm nominal walls. Short shots are corrected first by raising mold temperature, not by increasing melt temperature, because higher mold temperature improves the melt front's ability to re-fuse at the joining line. Regulatory requirements for global electronics include RoHS 2011/65/EU with Delegated Directive (EU) 2015/863, REACH EC 1907/2006, and UL 94 end-use thickness classification. EMI shielding is not supplied by unfilled PC/ABS; aluminum sputtering or conductive paint must be specified separately. Terminal parts include notebook base covers, monitor rear enclosures, router housings and point-of-sale terminal covers.
In diagnostic equipment enclosures, disinfectant exposure is the controlling chemical resistance test, not because the polymer dissolves but because repeated cleaning with 70 % isopropanol or quaternary ammonium compounds can drive environmental stress cracking in highly stressed boss areas. The failure mechanism is amplified when mold temperature is below 80 °C and the part retains frozen-in orientation. Raising mold temperature to 85–95 °C reduces craze initiation by lowering the stress gradient through the wall. Fastener bosses should use a draft angle of at least 0.5° per side and corner radii above 1.5 mm to avoid stress risers. Compliance is verified under IEC 60601-1:2005/AMD2:2020 for medical electrical equipment and IEC 62368-1:2018 for non-medical laboratory electronics. Cytotoxicity testing under ISO 10993-5:2009 is required only if the housing becomes a patient-contacting surface; for short-term skin contact, a full biocompatibility program under ISO 10993-1:2018 is needed because published data for this specific configuration is limited. The material must not be solvent-bonded with methylene chloride-based cements without validation; cyanoacrylate and UV-curable adhesives are less aggressive but must be tested under ISO 175:2010 chemical immersion conditions. Terminal parts include diagnostic cart housings, ultrasound keyboard bezels, patient monitor rear enclosures and hospital bedside terminal covers.
Unreinforced PC/ABS in Motor Housings Is Governed by Boss Stress and Drop-Impact Criteria
The wall stock for motor housings is usually 2.5–3.2 mm, but the limiting feature is not the wall: it is the screw boss array, where sharp junctions create crack initiation points during drop impact. Boss outer diameter should be at least 2× the thread diameter, with a root radius of 0.5 mm minimum and coring at 60 % of the thread engagement length. Melt temperature is held at 245–265 °C, mold temperature at 70–85 °C, and hold pressure at 55–75 MPa for thick sections to avoid overpacking at the gate. Drop impact is evaluated by IEC 60068-2-31:2008 free-fall procedure at -5 °C and ambient temperature, with pass criteria taken from the OEM rather than resin data. Continuous use above 100 °C near the motor commutator is outside the normal window for unfilled PC/ABS and requires a glass-filled or high-heat grade. Cutting oils and bearing greases should be checked by ISO 175:2010 immersion testing, particularly if the formulation contains aminic antioxidants because amines can accelerate polycarbonate chain scission under load. Terminal parts include angle grinder handle halves, cordless drill motor housings, charger docks and battery adapter plates.
Indoor EV supply equipment enclosures are specified for dimensional stability under internal heat from power electronics and for resistance to incidental mechanical impact during cable insertion. Typical applications for 2800-111 include front panel bezels for indoor AC wallboxes, charging connector holder internal parts, cable management brackets and internal isolation barriers. The molding process uses a wall section of 2.0–2.5 mm, a mold temperature of 75–90 °C, and a fill time above 1.0 s to prevent jetting at the gate. Glow-wire testing is performed per IEC 60695-2-11:2021 at the end-product thickness, and the result must be mapped to the end-product enclosure standard rather than a generic resin claim. If the final product falls within IEC 61851-1:2017 and UL 2594:2016, the housing material must also be evaluated as part of the complete enclosure, not as an isolated test plaque. Connector-adjacent parts are assessed under IEC 62196-1:2022 for mechanical interlock loads. If the assigned flame classification for the exact 2800-111 lot is UL 94 HB, then the material is limited to decorative front panels behind a V-0 barrier or to internal non-enclosure parts. Outdoor use without a UV-stabilized protective layer is not supported unless validated under ISO 4892-2:2013. Terminal parts include indoor AC wallbox front fascias, charging connector holder internal parts and cable management brackets.
| Segment | Core standards | Use boundary |
|---|---|---|
| Automotive HVAC interior | FMVSS 302, ISO 3795:1989, VDA 278:2011-10, DIN 75201:2011 | Visible interior below A-pillar, short-term 90 °C |
| Notebook and consumer electronics | RoHS 2011/65/EU, REACH EC 1907/2006, UL 94 | Non-shielded enclosures, end-use thickness classification |
| Medical and laboratory electronics | IEC 60601-1:2005/AMD2:2020, ISO 10993-5:2009 | Non-implant, non-blood-contact housings |
| EV supply equipment | IEC 61851-1:2017, IEC 62196-1:2022, UL 2594:2016 | Indoor enclosure parts unless UV validated |
| Laundry and small appliances | IEC 60335-1:2020, UL 746C:2022 | Detergent contact, steam condensation zones |
Steam, Surfactant and Gloss Retention in Laundry Appliance Fascia
The primary challenge in laundry appliance fascias is the combination of high-gloss surface replication and repeated exposure to detergent vapor, not mechanical load. The mold is polished to SPI A-1 finish and heated to 90–100 °C to replicate that gloss on the part; cycle time is extended by the use of rapid heating and cooling rather than high mold temperature alone. Detergent and softener contact is assessed by ISO 175:2010 immersion testing at 40 °C for 24 h, with visual inspection for stress crazing under 10× magnification. Steam exposure is simulated by placing molded plaques in a sealed vessel at 80 °C for 72 h and then measuring tensile retention per ISO 527-1:2019. Appliance safety compliance follows IEC 60335-1:2020 and, for the North American market, the material must be evaluated under the relevant clauses of UL 746C:2022. Terminal parts include washing machine top panels, detergent dispenser surrounds, control facias and vacuum cleaner cover shells.
Servo drive and CNC control consoles demand dimensional stability under internal heat loads, combined with vibration resistance when mounted on moving machine axes. Housings in this segment are molded with wall sections of 2.5–3.5 mm and require sequencing of multiple valve gates to eliminate weld lines across bearing surfaces. Clamp force is typically 10,000–12,000 kN for large flat panels, with holding pressure kept at 55–70 MPa to control warpage. Equipment safety is evaluated under IEC 61010-1:2010/AMD1:2016 and UL 508A:2018 for industrial control panels. Because these enclosures often contain aluminum heat sinks, differential thermal expansion between the polymer and metal inserts must be reviewed at the design stage; coefficient of linear thermal expansion values should be taken from supplier data using ISO 11359-2:1999. Published data for the exact Dongguan Zhongen 2800-111 formulation under long-term outdoor exposure is limited, so unpainted outdoor installation should be avoided unless ISO 4892-2:2013 validation is supplied. Terminal parts include servo drive covers, CNC operator consoles, robot teach pendant housings and machine control cabinet front panels.
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- Dongguan Zhongen PC/ABS 2800-111 is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales8@ascent-chem.com.
For the Dongguan Zhongen grade 2800-111, the material is supplied as a pelletized PC/ABS alloy in which polycarbonate contributes heat deflection and impact response while acrylonitrile-butadiene-styrene contributes melt processability and a lower material density than polycarbonate. The numerical suffix 2800-111 is a supplier-specific designation; it does not correspond to a single ISO 1043 designation, and it should be read against the batch-specific Certificate of Analysis and Safety Data Sheet before engineering release. Open published data for this exact configuration is limited. When substitution is evaluated, the grade should be benchmarked against ISO 527-1/-2 tensile yield stress and elongation, ISO 180/A notched Izod, ISO 75/A heat deflection temperature under 1.80 MPa, ISO 306 Vicat B50, ISO 1183-1 density, and ISO 1133-1:2022 melt volume-flow rate. The grade is indicated for injection molding of structural enclosures, interior trim, brackets, and electronic housings where the design requires a measurable balance of flow length, low-temperature ductility, and heat resistance. Similar PC/ABS grades report melt volume-flow rates at 260 °C with a 5.0 kg load in the range of 12–25 cm³/10 min; until the Dongguan Zhongen Certificate of Analysis provides a product-specific value, design calculations should use the lower half of that envelope for conservative fill simulation.
Which Mechanical Property Envelope Applies to 2800-111?
Mechanical property engineering with 2800-111 must account for blend ratio shifts, rubber particle size distribution, and compatibilizer loading because these variables alter notched impact and heat deflection independently of the flow modifier. The relevant test protocols include ISO 527-1/-2 for tensile properties, ISO 178 for flexural modulus, ISO 180/A for notched Izod impact, ISO 75/A for heat deflection temperature under 1.80 MPa flexural stress, ISO 306 for Vicat B50 softening temperature, and ISO 1183-1 for density. Representative PC/ABS class values are tensile yield stress 50–60 MPa, tensile elongation at yield 3–5%, flexural modulus 2200–2500 MPa, notched Izod at 23 °C of 35–55 kJ/m², notched Izod at −30 °C of 15–30 kJ/m², HDT 1.80 MPa of 105–120 °C, Vicat B50 of 125–135 °C, and density of 1.12–1.16 g/cm³. These ranges do not certify 2800-111; the Dongguan Zhongen Certificate of Analysis must be consulted for exact values. The notched Izod value is strongly affected by gate type and weld-line orientation; for a cold runner with an edge gate, a reduction of 10–20% should be assumed at the weld line. In snap-fit design, the lower-bound tensile elongation at yield of 3% should be used in finite-element analysis because localized strain rate in a snap-fit root can exceed 10⁻¹ s⁻¹. Direct comparison with a previous compound should include ISO 6603-2 multiaxial impact at 23 °C and −30 °C, because single-point Izod data may miss ductile-to-brittle transition shifts caused by rubber particle agglomeration.
| Material class | Tensile yield stress per ISO 527-1/-2 | Notched Izod at 23 °C | HDT at 1.80 MPa | MVR at 260 °C/5.0 kg |
|---|---|---|---|---|
| PC/ABS class envelope | 50–60 MPa | 35–55 kJ/m² | 105–120 °C | 12–25 cm³/10 min |
| General-purpose ABS | 40–50 MPa | 20–30 kJ/m² | 85–100 °C | 10–20 cm³/10 min |
| Medium-viscosity PC | 60–65 MPa | 60–80 kJ/m² | 120–130 °C | 6–12 cm³/10 min |
| Flame-retardant PC/ABS | 50–58 MPa | 25–40 kJ/m² | 95–115 °C | 8–15 cm³/10 min |
Because moisture uptake in polycarbonate domains accelerates hydrolytic degradation above 0.02 wt%, drying prior to melt processing is required. Desiccant drying at 80–100 °C for 3–4 h to a dew point of ≤ −40 °C is recommended; moisture analysis by ASTM D6869 or Karl Fischer should be ≤ 0.02 wt%. If the resin is exposed to 60% RH or higher for more than 4 h, re-drying is required before processing. Shear viscosity at 260 °C for unfilled PC/ABS class materials is typically 300–600 Pa·s at 100 s⁻¹ and 80–150 Pa·s at 1000 s⁻¹, confirming non-Newtonian shear-thinning behavior; this affects gate sizing in thin-wall tools. On a 35:1–40:1 L/D co-rotating twin-screw extruder, barrel settings between 240 °C and 270 °C are typical for compounding, with the die zone kept below 280 °C. Residence time should not exceed 6 min, and melt temperature overshoot must be controlled within ±5 °C of the set point. In injection molding, mold temperature is held between 60 °C and 90 °C, injection velocity is moderate, and clamp force is selected at 3.5–5.0 kN per cm² of projected part area. Back pressure of 0.3–0.7 MPa and screw recovery speed of 40–80 rpm prevent gas entrapment and excessive shear heating. Regrind addition above 20 wt% lowers notched Izod retention by more than 10% in production trials and should be validated separately.
When the Drying Window Is Exceeded or Melt Residence Time Is Prolonged
When moisture remains above 0.02 wt%, polycarbonate hydrolysis produces carbon dioxide and bisphenol A monomers; visible splay, silver streaking, and a 10–20% loss in notched Izod are observed on injection-molded parts. The same defect pattern appears on 80-tonne and larger hydraulic machines when the hot runner is held above 260 °C for longer than 3 min. Amine-based mold release agents, aromatic ketones, and strong alkaline cleaning agents should not contact the melt or molded parts because they initiate polycarbonate chain scission or stress cracking. Molded parts should be stress-relieved or annealed at 80–100 °C for 1–2 h when sustained exposure to automotive interior temperatures above 90 °C is expected. If paint or adhesive bonding is required, solvent compatibility must be tested because ketone-, ester-, and aromatic-rich formulations can craze PC/ABS at strain levels above 0.3%. These boundaries are operational constraints, not optional guidelines; failure to dry within the specified window is a primary cause of batch rejection on production-scale lines.
Under tensile loading at 23 °C, PC/ABS 2800-111 occupies an intermediate position between ABS and polycarbonate. Compared with general-purpose ABS, the PC/ABS class raises HDT by approximately 15–25 °C and notched Izod by 10–30 kJ/m², but solvent resistance to strong acids and some hydrocarbon blends remains lower than semi-crystalline alternatives. Compared with unmodified polycarbonate, PC/ABS lowers melt viscosity, which permits thinner wall fill of 1.0–1.5 mm sections, but reduces HDT by 10–20 °C and raises moisture uptake beyond 0.15 wt% at 23 °C/50% RH. Compared with PC/PBT, PC/ABS generally retains higher low-temperature impact at −30 °C but shows inferior resistance to hot water and automotive coolant. The 2800-111 designation may include a specific compatibilizer package; direct substitution for another PC/ABS should be validated by ISO 180/A notched Izod at −30 °C, ISO 6603-2 multiaxial impact, and ISO 75/A HDT. A difference of more than 10% in notched Izod at −30 °C or 5 °C in HDT should trigger a mold-flow and part-fitness review.
Thermal aging at 90 °C for 1000 h on unfilled PC/ABS class materials can reduce notched Izod by 10–20% and shift Vicat B50 by less than 3 °C; long-term exposure above 110 °C may produce a 5–10% loss in tensile yield stress. For parts with continuous service above 90 °C, ISO 188 accelerated aging followed by ISO 527-1/-2 tensile testing is recommended. Moisture absorption at 23 °C and 50% RH is typically 0.15–0.25 wt%; at 80% RH it may reach 0.35 wt%, which affects dimensional stability by 0.1% or less in constrained designs. If dimensional tolerance below ±0.05 mm is required, post-mold annealing at 80–100 °C for 1–2 h should be evaluated because it relaxes molded-in stress but may increase part warpage.
Regulatory Compliance and Substance-Restriction Matrix
Material declarations for Dongguan Zhongen PC/ABS 2800-111 should be checked against the current EU RoHS Directive 2011/65/EU Annex II and REACH Regulation 1907/2006, Article 33 candidate list. Typical PC/ABS formulations comply with RoHS lead, mercury, cadmium, hexavalent chromium, PBB, and PBDE limits, but flame-retardant variants may contain antimony trioxide or brominated compounds subject to customer-specific bans. The following checklist applies to material qualification; each row should be confirmed with the supplier.
| Requirement | Standard or regulation | Verification |
|---|---|---|
| Restriction of hazardous substances | RoHS 2011/65/EU Annex II | Supplier declaration |
| SVHC above 0.1 wt% | REACH 1907/2006 Article 33 | SDS/Certificate of Analysis |
| Flammability classification | UL 94 | UL yellow card for production thickness and color |
| Moisture content | ASTM D6869 | ≤ 0.02 wt% |
| Density | ISO 1183-1 | 1.12–1.16 g/cm³ |
| Material designation | ISO 1043 | PC+ABS |
| Glow wire | IEC 60695-2-11 | 750 °C or 850 °C as required by end-use standard |
In automotive interior mounting brackets and gear bezels, the grade is processed on 1200–1500 kN injection machines with mold temperatures of 80 °C to minimize weld-line visibility. Testing per ISO 179-1/1eA at −30 °C is recommended for cold-climate interior parts because notched Izod alone can overstate performance in unnotched flexural impact modes. In consumer electronics housings, UL 94 classification must be verified on the actual wall thickness because PC/ABS flammability is thickness-dependent; a UL yellow card is required for each thickness and color. For appliance control panels, IEC 60695-2-11 glow-wire testing at 750 °C or 850 °C is mandatory in many regional standards, and the grade should not be used above the Vicat B50 temperature of 125–135 °C unless the part is structurally supported. Electroplating-grade PC/ABS requires an etch step with chromic acid; if 2800-111 is not an electroplating-optimized grade, plate adhesion per ASTM B533 may drop below 0.5 N/mm and should be validated before tooling is committed. Published data for this specific configuration in electroplating applications is limited; the supplier should be asked for a plating-grade datasheet or an adhesion coupon trial.
