| HS Code | 182380 |
| Brand | YungSox |
| Model | PP 5090T |
| Capacitance | 5.0 µF |
| Voltage Rating | 90 VDC |
| Tolerance | ±5% |
| Dielectric | Polypropylene film |
| Construction | Metallized film, radial leads |
| Operating Temperature Range | -40°C to +85°C |
| Dissipation Factor | ≤0.1% @ 1 kHz |
| Insulation Resistance | ≥10,000 MΩ @ 100 VDC |
| Lead Spacing | 15 mm |
| Lead Material | Tin-plated copper |
As an accredited YungSox PP 5090T factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | YungSox PP 5090T is supplied as solid pellets in 25 kg kraft paper bags, palletized and wrapped for safe transport. |
| Container Loading (20′ FCL) | YungSox PP 5090T is loaded in a 20′ FCL, palletized, secured, and sealed for safe, efficient transport. |
| Shipping | Shipping Description: YungSox PP 5090T is a non-hazardous polypropylene resin, not regulated as dangerous goods for road, rail, sea, or air transport. Pack in clean, dry, sealed containers to prevent moisture and contamination. No special labeling required. Handle with standard industrial precautions. |
| Storage | Store YungSox PP 5090T in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and open flames. Keep containers tightly sealed when not in use to prevent contamination or moisture absorption. Avoid contact with strong oxidizers, acids, or bases. Ensure adequate ventilation and use appropriate personal protective equipment during handling. |
| Shelf Life | Store in original, unopened packaging in a cool, dry place. Shelf life is 24 months from production date. |
Thin-wall automotive interior lower trim moulded from YungSox PP 5090T is specified where Charpy notched impact strength at −20 °C, low-temperature ductility, and demoulding rigidity must be balanced against a wall-section reduction from 2.5 mm to 1.6 mm. The heterophasic ethylene-propylene rubber phase provides impact-energy distribution under knee-strike loading on glove box and door-panel lower zones, while the continuous polypropylene matrix governs flexural modulus during side-load installation. On accumulator-assisted hydraulic injection moulding machines with clamp forces of 1,200 t to 1,600 t, the resin is processed at a melt temperature of 220 °C to 250 °C, a tool-surface temperature of 20 °C to 40 °C, and an injection flow-front velocity of 200 mm/s to 350 mm/s in rib and boss features to avoid hesitation lines. Hold pressure is maintained between 30 MPa and 60 MPa, with screw back pressure of 3 MPa to 7 MPa to stabilise melt-density variation against regrind fractions up to 20 wt%. Batch-to-batch variance in rubber-phase dispersion is monitored by ISO 179-1/1eA Charpy notched impact at 23 °C and −20 °C, ISO 527-2 tensile modulus, and ISO 6603-2 instrumented puncture energy. Compliance for interior occupant compartments follows UN ECE R118 and ISO 3795 at a maximum burn rate of 100 mm/min; substance restrictions are checked against the REACH Candidate List and, where applicable, ELV Directive 2000/53/EC. The formulation addition ratio uses 100 parts by weight YungSox PP 5090T, 2.0 phr to 3.5 phr custom colour or carbon black masterbatch, 0.20 phr to 0.50 phr HALS/UV stabiliser where upper-fascia light exposure is possible, and 0.05 phr to 0.15 phr nucleating agent to shorten cooling time. Terminal production articles include glove box frames, lower door pockets, cowl side trim, centre console substrates, seat side shields, and scuff plate carriers.
The design constraint for mineral-filled washing machine outer tubs is not short-term tensile yield but creep under hot alkaline water loading at 60 °C to 90 °C and dimensional stability after repeated thermal cycling. YungSox PP 5090T functions as the impact-modified continuous phase in talc-filled compounds, with a formulation addition ratio of 65 wt% to 78 wt% base resin, 20 wt% to 30 wt% talc masterbatch, 1.0 wt% to 3.0 wt% maleic anhydride-grafted PP coupling agent, 0.3 wt% to 0.5 wt% antioxidant package, and 0.05 wt% to 0.15 wt% nucleating agent. Pre-compounding is conducted on a co-rotating twin-screw extruder with L/D 40:1 and vacuum venting at −0.08 MPa; injection moulding of the final tub uses clamp force between 8,000 kN and 14,000 kN, sequential valve-gate hot runners with 4 to 8 drops, melt temperature of 230 °C to 250 °C, and tool temperature of 40 °C to 60 °C. Cooling time at 3.0 mm nominal wall is typically 25 s to 45 s. Failure modes on production lines include gate blush, weld-line cracking at the bearing hub, and anisotropic warpage caused by talc orientation if flow-front velocity drops below 150 mm/s. Compliance for electrical safety in final appliances falls under IEC 60335-1 clause 30.2 glow-wire testing; material flammability is reported under UL 94 HB for structural components, and food-contact candidates such as refrigerator door liners are evaluated under EU Regulation 10/2011 and FDA 21 CFR 177.1520. Terminal finished product types include washing machine outer tubs, dishwasher lower spray arms and base frames, air conditioner condensate trays, and refrigerator door liners.
In lead-acid battery container and logistics crate moulding, the dominant failure mode shifts from ambient impact to low-temperature drop fracture after hot-air aging and exposure to 30 wt% sulphuric acid. YungSox PP 5090T is processed at 100 parts by weight with 2.0 wt% to 4.0 wt% carbon black masterbatch, 0.2 wt% to 0.5 wt% antioxidant package, and 0.1 wt% to 0.3 wt% zinc stearate acid scavenger; where UL 94 V-0 classification is required for industrial electrical enclosures, a halogen-free flame-retardant masterbatch is added at 8 wt% to 12 wt% and tensile impact must be revalidated because the flame-retardant package reduces interlamellar shear transfer. Injection moulding uses clamp force of 12,000 kN to 20,000 kN, melt temperature of 210 °C to 250 °C, tool coolant at 15 °C to 30 °C, and injection pressure of 80 MPa to 130 MPa. Lid-to-tub assembly is performed by hot-plate welding at 220 °C to 240 °C; welding bead design must prevent particulate contamination in the electrolyte compartment. Production-scale audits show that tool temperature below 10 °C increases quenched skin thickness and reduces −30 °C drop impact retention; processors should validate impact after 1,000 h at 80 °C per customer-specific requirements. Regulatory compliance for automotive SLI battery containers references EN 50342-1 for safety and the RoHS Directive 2011/65/EU for restricted substances; food-contact crates are evaluated under EU 10/2011 and FDA 21 CFR 177.1520. Terminal finished products include automotive SLI battery containers and lids, industrial bulk containers, folding crates, and pallet sleeves.
| Standard | Test/Clause | Boundary condition |
|---|---|---|
| EN 50342-1 | SLI battery container safety requirements | Weld integrity after acid immersion and pressure cycling |
| UL 94 | Vertical burning test | V-0 at 3.0 mm only when FR masterbatch is incorporated |
| IEC 60695-2-12 | Glow-wire flammability | 850 °C for unattended electrical enclosures |
| RoHS 2011/65/EU | Restricted substance screening | Pb, Cd, Hg, Cr VI, PBB, PBDE |
Replacement of ABS or polycarbonate/ABS in outdoor power equipment housings with PP 5090T-based short-glass compounds requires retention of notched impact after UV and thermal cycling, not just initial flexural stiffness. The formulation addition ratio for such compounds is 70 wt% to 85 wt% YungSox PP 5090T, 10 wt% to 30 wt% short glass fibre with filament diameter 10 µm to 17 µm, 0.3 wt% to 0.8 wt% maleic anhydride-grafted PP coupling agent, 2 wt% to 5 wt% UV masterbatch containing HALS and carbon black, and 1 wt% to 3 wt% pigment masterbatch. Compounding is performed on a co-rotating twin-screw extruder with L/D 40:1, barrel temperature profile 170 °C / 200 °C / 210 °C / 220 °C / 230 °C, screw speed 300 rpm to 500 rpm, and vacuum venting to −0.08 MPa; the compounded pellet is then injection-moulded at melt temperature 220 °C to 250 °C, tool temperature 40 °C to 60 °C, and injection pressure 80 MPa to 140 MPa. Process conflicts arise from fibre orientation: high screw speed improves glass dispersion but reduces fibre aspect ratio, while lower injection speed can create flow-front hesitation and surface glass read-through. Weatherability is assessed under ISO 4892-2 xenon-arc exposure for 1,000 h with colour change and tensile modulus retention reported; product safety compliance references IEC 62841-1 for hand-held motor-operated electric tools and UL 94 HB for housing flammability. Terminal finished product types include string trimmer spool housings, lawn mower engine covers, leaf blower scroll housings, and hedge trimmer gear-housing covers.
When PP 5090T functions as the matrix resin in halogen-free flame-retardant compounding, the thermal liability of intumescent packages and the shear sensitivity of the heterophasic rubber phase jointly define the safe processing window. The formulation addition ratio is 55 wt% to 75 wt% YungSox PP 5090T, 20 wt% to 32 wt% ammonium polyphosphate-based flame-retardant package, 2 wt% to 6 wt% charring synergist, 0.2 wt% to 0.5 wt% anti-drip agent, and 0.3 wt% to 0.8 wt% heat stabiliser. Compounding is conducted on a co-rotating twin-screw extruder with L/D 40:1 to 48:1, barrel temperature profile 170 °C / 200 °C / 210 °C / 220 °C / 230 °C, screw speed 250 rpm to 400 rpm, and vacuum venting at −0.08 MPa before underwater pelletising. Residence time above 200 °C is limited to 120 s to suppress pre-foaming of the intumescent system; barrel zones above 240 °C are avoided unless an acid-neutralising heat stabiliser is present. The compounded pellet is injection-moulded at melt temperature 210 °C to 235 °C, tool temperature 40 °C to 60 °C, and injection speed 80 mm/s to 150 mm/s. Compliance testing reports UL 94 V-0 at 1.5 mm and 3.0 mm, IEC 60695-2-12 glow-wire resistance at 850 °C, and RoHS Directive 2011/65/EU substance restrictions. Published data for this specific flame-retardant package in YungSox PP 5090T may be limited; first-article UL 94 triplicate testing at final wall thickness is required rather than extrapolating from neat-resin values. Use of amine-based external lubricants is avoided because amine species can neutralise the acidic flame-retardant char chemistry and shift the UL 94 rating. Terminal finished product types include electrical junction boxes, capacitor housings, terminal blocks, and industrial control panel backplates.
Thin-wall dairy cup and lid moulding with PP 5090T operates in a processing window where melt flow length must exceed 200:1 at wall sections below 0.9 mm, while side-wall drop impact must survive ductile deformation at 4 °C. The formulation addition ratio is 98 wt% to 100 wt% YungSox PP 5090T, 1.0 wt% to 2.0 wt% slip/anti-block masterbatch, 0.05 wt% to 0.15 wt% nucleating agent, and 0.05 wt% to 0.10 wt% sorbitol-based clarifier where transparent or translucent containers are required. High-speed injection moulding machines with clamp force 1,500 kN to 3,500 kN and hot-runner systems with 4 to 8 valve gates are used; melt temperature is held at 210 °C to 240 °C, tool temperature at 10 °C to 20 °C, injection speed at 300 mm/s to 600 mm/s, and cooling water at 8 °C to 12 °C. Cycle time for 0.5 mm to 1.0 mm wall stock is typically 4.0 s to 8.0 s. The critical process audit point is the transition from ductile to brittle impact when melt temperature drops below 205 °C or tool temperature falls below 8 °C; processors validate this by dropping filled containers at 4 °C and inspecting for radial cracking at the gate. Where silo storage relative humidity exceeds 60%, pre-drying at 80 °C for 2 h to 4 h is required. Compliance for food contact is established under EU Regulation 10/2011 with an overall migration limit of 10 mg/dm² in the applicable food simulant, and under FDA 21 CFR 177.1520 for olefin polymers. Melt flow rate is verified per ISO 1133-1:2022 at 230 °C/2.16 kg, with lot-to-lot variation outside the accepted range triggering adjustment of hold pressure rather than melt temperature. Terminal finished product types include dairy cups, microwaveable containers, thin-wall lids, and food storage boxes.
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YungSox PP 5090T is a controlled-rheology polypropylene impact copolymer designated for injection moulding applications requiring a melt mass-flow rate near 50 g/10 min under ISO 1133-1:2022 condition M. The grade is not a general-purpose homopolymer; the ethylene-propylene rubber phase reduces room-temperature stiffness but improves low-temperature impact. Because publicly distributed datasheets for this specific commercial designation are limited to distributor summaries, the processing boundaries below are based on the ISO 19069-2:2016 classification profile for high-flow impact copolymers and on industrial practice for nucleated 50 g/10 min grades. Lot-specific certificates of analysis must govern machine settings.
Density under ISO 1183-1:2019 method A typically falls between 0.895 g/cm³ and 0.915 g/cm³ when ethylene content is maintained in the 6–12 wt% range. Tensile yield stress on ISO 527-2:2012 type 1A specimens at 50 mm/min generally falls between 21 MPa and 26 MPa. Notched Charpy impact strength at −20°C under ISO 179-1:2010 is commonly reported from 3.5 kJ/m² to 8.0 kJ/m². These values shift with pigmentation, nucleating agent, and regrind fraction; they are classification values rather than grade-specific guarantees.
Molecular architecture differences compared with a standard 12 g/10 min impact copolymer appear in the low-frequency rheology signature. A 50 g/10 min impact copolymer typically exhibits shorter chain relaxation and lower zero-shear viscosity than a 12 g/10 min grade, which reduces pressure drop during thin-wall filling but narrows the stable melt-stretching window. The product is therefore not specified for large-part extrusion blow moulding where high melt strength is required; published data for direct substitution from high-melt-strength polypropylene grades is limited.
The limiting factor is not barrel temperature alone. On a 150 t to 300 t electric injection moulding machine with an 80 mm screw and an L/D ratio of 20:1 to 24:1, fast-fill performance is controlled by pressure-limited injection, not speed-limited injection. If the hydraulic injection pressure set point is capped at 120 bar, the effective melt pressure at the screw tip is 900–1,200 bar, and the thin-wall flow length in a 1.5 mm plaque may decline by 25% when the melt temperature drops from 240°C to 210°C. Maintaining a melt cushion of 5–8 mm and screw rotation speed below 150 rpm reduces shear-induced melt-temperature overshoot and avoids free-flow hesitation at the gate. Valve-gated hot-runner systems with gate diameters above 1.2 mm and PID auto-tune controllers are preferred; open hot sprue bushings above 2.5 mm diameter create drooling when barrel temperatures exceed 240°C.
Processors running 500 mL to 1 L thin-wall food containers on high-speed hybrid machines typically use a mould core temperature of 25°C to 35°C. That range produces sufficient crystallisation for ejection at 6 s to 10 s when wall thickness is below 2 mm. Lower core temperatures reduce cycle stability because condensation and part sticking increase; higher core temperatures above 40°C extend the post-mould shrinkage window and shift dimensional consistency.
The stabilisation package is intended for long-term service below 90°C; continuous exposure above 110°C should be validated by heat-ageing at 120°C for 1,000 h in a forced-air oven and then testing tensile elongation at break under ISO 527-2:2012. Failure is conventionally defined as elongation retention below 50%. In unpigmented natural grades, the oxidative induction time at 200°C under ISO 11357-6:2018 is typically greater than 20 min, but pigmented masterbatches containing high surface-area carbon black can reduce OIT by adsorbing phenol/phosphite stabilisers. The addition level should remain at or below 2.0 wt% unless dispersion tests show no visible agglomerates above 10 µm.
At freezer temperatures, the rubber phase transitions become significant. At −20°C, a high-flow impact copolymer with an ethylene content below 8 wt% can still exhibit ductile failure under ISO 6603-2:2023 puncture testing at 4.4 m/s, but the peak force decreases by 30–40% relative to the same test at 23°C. Sealing lids or thin-wall containers intended for frozen distribution should therefore be tested at the minimum storage temperature with the actual gate design.
Batch-to-batch variance of the stabiliser package affects melt stability during extended hot-runner residence. On machines with hot-runner manifolds above 240°C, residence time should not exceed 10 min; longer exposure can cause yellowing and a measurable drop in notched Charpy impact energy. In colour-change operations, purging with a commercial PP purge compound at 5 kg increments is more effective than raising barrel temperature because excessive heat accelerates chain scission rather than removing the colourant boundary layer.
| Property | Test method | YungSox PP 5090T characteristic range | 12 g/10 min impact copolymer characteristic range |
|---|---|---|---|
| Melt mass-flow rate | ISO 1133-1:2022 | 45–55 g/10 min | 10–14 g/10 min |
| Tensile yield stress | ISO 527-2:2012 | 21–26 MPa | 24–29 MPa |
| Notched Charpy at −20°C | ISO 179-1:2010 | 3.5–8.0 kJ/m² | 5.0–10.0 kJ/m² |
| Flexural modulus | ISO 178:2019 | 1100–1450 MPa | 1250–1600 MPa |
| Heat deflection temperature at 0.45 MPa | ISO 75-2:2013 method B | 75–90°C | 85–95°C |
| Mould shrinkage | ISO 294-4:2018 | 1.2–1.8% | 1.1–1.6% |
Values are characteristic of nucleated high-flow impact copolymers under ISO 19069-2:2016; they are not a substitute for lot-specific certificates. Published data for this exact configuration remains limited, particularly for low-temperature weld-line performance and long-term creep under load.
Direct substitution requires re-balancing of the injection speed profile because the 50 g/10 min grade has shorter filling-pressure drop and faster crystallisation onset. In a 3 mm nominal-wall battery box, the recommended gate velocity range is 400–700 mm/s; above 800 mm/s, shear-induced melt fracture on the surface can appear as tiger stripes, especially with black masterbatch. Clamp force per projected area should still be calculated at 3–5 kN/cm². If long-glass-fibre-reinforced PP is being replaced, the flexural modulus deficit of an unfilled impact copolymer must be addressed by structural ribbing; published data for direct unfilled-to-long-glass replacement is not sufficient for structural certification.
For masterbatch dilution at thin-wall melt temperatures of 220–240°C, a 2:1 compression ratio screw with a spiral mixing section can disperse colour masterbatch containing 40 wt% pigment below 20 µm agglomerate size when the let-down ratio is 2–3%. Above 5% masterbatch addition, the lower melt viscosity may reduce distributive mixing time, and unmelted colour streaks can appear near the gate if the screw recovery time is shorter than 3 s.
Optical clarity differences versus clarified random copolymers are significant. A 2 mm injection moulded plaque made from a typical impact copolymer has total luminous transmittance near 60–70% with haze above 60% under ASTM D1003-21, whereas a clarified random copolymer with an organophosphate nucleator can achieve haze below 15%. Therefore, YungSox PP 5090T should be considered only where translucency is acceptable or where visual properties are not controlled.
| Requirement | Applicable standard or regulation | Typical condition or limit |
|---|---|---|
| Overall migration into food simulants | EU 10/2011 as amended, simulant E | 40°C for 10 d; limit ≤10 mg/dm² |
| Food-contact status in polypropylene | FDA 21 CFR 177.1520 | Conditions of use up to 121°C for aqueous foods, subject to supplier certification |
| Heavy metals in packaging | EU 94/62/EC | Sum of lead, cadmium, mercury, hexavalent chromium ≤100 mg/kg |
| REACH SVHC content | EC 1907/2006 Article 33 | Each SVHC <0.1 wt% |
Storage humidity above 60% can lead to surface moisture pick-up of 0.05–0.15 wt% within 72 h on exposed granules; this is low but may produce silver streaks in thick bosses. To eliminate surface defects in medical or high-clarity parts, pre-dry at 80°C for 2 h in a desiccant dryer with a dew point below −30°C. Avoid blending with polyamide, polyethylene terephthalate, or polycarbonate regrind because their melting temperatures exceed the PP processing window and they remain as unmelted inclusions. Avoid amine-based slip masterbatches that can destabilise the acid scavenger system, especially in high-humidity food packaging.
Weld-line strength differences are more severe for the 50 g/10 min impact copolymer than for lower-flow impact grades. At a nominal wall of 2 mm and melt temperature 230°C, the weld-line tensile strength retention under ISO 527-2:2012 is typically 55–70% of the neat value, compared with 65–80% for an 11 g/10 min impact copolymer. Components with multiple gates or large openings should use a gating layout that minimises flow-front convergence angles below 30°; this is particularly critical for freezer hinges and external battery housings.
After demoulding, semi-crystalline polypropylene continues to rearrange for up to 48 h. At 23°C and 50% relative humidity, a 50 g/10 min impact copolymer typically reaches 90% of total mould shrinkage within 12 h, with the remaining 10% distributed over the following 36 h. If relative humidity exceeds 45%, the absorbed surface moisture acts as a plasticiser and can increase the coefficient of linear thermal expansion measured under ISO 11359-2:2021 by 5–10%, but the effect on post-mould shrinkage is below measurement uncertainty for most production gauges. Dimensional audits should therefore be performed no earlier than 24 h after ejection and with the same conditioning protocol as the original process capability study.
