| HS Code | 916433 |
| Density | 1.04 g/cm³ |
| Melt Flow Rate 230 C 2 16kg | 10 g/10min |
| Tensile Strength At Yield | 30 MPa |
| Elongation At Break | 12% |
| Flexural Modulus | 2500 MPa |
| Izod Impact Strength Notched 23 C | 4 kJ/m² |
| Heat Deflection Temperature 0 45 Mpa | 125 °C |
| Vicat Softening Point | 150 °C |
| Shore D Hardness | 70 |
| Melting Point | 165 °C |
As an accredited Mineralblend PP Homopolymer PP-1600 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Mineralblend PP Homopolymer PP-1600 is supplied in 25 kg sealed plastic bags, palletized and wrapped for safe transport and storage. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): Mineralblend PP Homopolymer PP-1600 packed in 20-foot full container, secured on pallets, protected from moisture and contamination. |
| Shipping | Mineralblend PP Homopolymer PP-1600 ships as non-hazardous plastic pellets in moisture-protective woven bags, bulk bags, or railcars. Keep dry, avoid direct sunlight and excessive heat. Use clean, dry containers or hoppers; protect packaging from damage during transit. Standard handling practices for thermoplastic resins apply. |
| Storage | Store Mineralblend PP Homopolymer PP-1600 in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and open flames. Keep containers tightly sealed to prevent moisture absorption and contamination. Store off the floor on pallets, ideally indoors, and avoid exposure to extreme temperatures. Handle with care to maintain product integrity; shelf life is typically one year under proper conditions. |
| Shelf Life | Mineralblend PP Homopolymer PP-1600 has a shelf life of two years when stored in original, sealed packaging in a cool, dry place. |
For instrument panel carrier brackets and HVAC duct shell integrations, Mineralblend PP Homopolymer PP-1600 is processed under IATF 16949:2016-controlled production, with material screening to REACH SVHC and RoHS 2011/65/EU Annex II limits; interior emission testing follows VDA 278:2011 for total VOC and fogging condensate, with typical VOC values below 100 µg/g measured on 2.0 mm plaques. The starting formulation is 91 wt% PP-1600, 7 wt% ethylene-octene POE impact modifier, and 2 wt% carbon black masterbatch. This balance yields a tensile modulus of 2100 MPa when tested to ISO 527-2:2012 at 1 mm/min, while notched Izod at 23 °C remains near 8.0 kJ/m² to ISO 180:2023. Molding is performed on a two-platen injection machine with clamp force between 900 t and 1200 t, a single-flight screw of 25:1 L/D, barrel profile 210 °C to 240 °C, mold temperature 20 °C to 35 °C, injection velocity 70 mm/s to 120 mm/s, and pack pressure 60 MPa to 80 MPa for 8 s to 12 s. Sink depth on rib bosses is held below 0.03 mm by keeping gate freeze time above 14 s and cooling time between 25 s and 40 s. Terminal parts include HVAC carrier shells, dashboard bracket inserts, and fuse-box retaining frames, where press-fit insert retention is verified above 300 N after thermal cycling from −30 °C to 85 °C for 500 h in an air-circulated chamber.
Local overcooling below 18 °C in air-conditioner drain-pan injection molds creates surface-to-core solidification ratios above 0.45, increasing the probability of sink marks deeper than 0.05 mm on the 400 mm × 300 mm pan floor even when pack pressure is raised from 50 MPa to 75 MPa. Mineralblend PP Homopolymer PP-1600 is processed for this application with a barrel profile from 220 °C to 240 °C, a valve-gated hot runner with 2.5 mm drop tips, mold circuits maintained within 3 °C of setpoint, and a cooling time of 30 s to 45 s on a 650 t three-platen machine. The compounding recipe uses 100 phr PP-1600, 0.3 phr sulphur-free processing antioxidant masterbatch, and 3 phr grey color masterbatch; no external impact modifier is added because the downward condensing frost load rarely exceeds 120 N across a 90 mm unsupported span. Product compliance for household and commercial refrigeration drainage is anchored to IEC 60335-1:2020 Clause 30 moisture resistance, IEC 60335-2-40:2022 for air-conditioning equipment, and REACH Annex XVII. Terminal product types are window-type air-conditioner drain pans, dehumidifier condensate trays, and washing-machine sump covers, where long-term condensate exposure at 60 °C for 1000 h produces mass change below 0.3 % and no surface crazing visible under 10× optical magnification.
In heavy-duty pool pallet and collapsible bulk-bin molding, post-ejection warpage is dominated by differential shrinkage between the mineral-filled skin and the core, so Mineralblend PP Homopolymer PP-1600 is processed with melt temperature held between 225 °C and 235 °C at the nozzle, mold temperature 15 °C to 25 °C, and injection speed set by accumulator assistance above 200 mm/s to freeze orientation in the outer 0.6 mm skin before core solidification. The production formulation is 100 parts PP-1600, 25 parts clean post-industrial regrind of the same lot, 2 parts carbon black masterbatch, and 0.3 parts fluoropolymer processing aid to reduce melt-pressure variation across the 1600 t clamp unit. Compression and racking validation follows ISO 8611-1:2011, with a 1200 mm × 1000 mm pallet deck tested at 1.25 R safe working load and residual deflection kept below 15 mm after 24 h at 40 °C and 90 % relative humidity. Terminal product types include racking-compatible pool pallets, dairy crates for 20 L bottle distribution, and collapsible bulk bins with fold ratios up to 4:1. Dimensional stability is verified with a stainless-steel flatness gauge across the deck footprint, with total indicator runout below 2.5 mm on the gate-to-edge diagonal before conditioning.
For meter-box frames, terminal covers, and trunking brackets used in indoor low-voltage assemblies, compliance is evaluated to IEC 60695-2-11:2014 glow-wire test at 650 °C applied for 30 s on specimens of 3.0 mm thickness, with the requirement of no flame persisting beyond 30 s after glow-wire removal and no ignited tissue. Mineralblend PP Homopolymer PP-1600 is compounded for this sector at 88 wt% base resin, 10 wt% halogen-free intumescent masterbatch based on ammonium polyphosphate, and 2 wt% grey color masterbatch in a 45 mm twin-screw extruder with 40:1 L/D, screw speed 250 rpm to 350 rpm, and temperature profile 180 °C to 215 °C with vacuum venting at −0.08 MPa. The resulting compound shows a tensile modulus above 2400 MPa under ISO 527-2:2012 and a comparative tracking index above 600 V on representative plaques, although published data for this specific configuration is limited. Injection molding follows with melt temperature 200 °C to 230 °C, screw back pressure 4 MPa to 6 MPa, injection velocity 50 mm/s to 90 mm/s, and mold temperature 20 °C to 40 °C. Production records link scrap-rate reductions to nozzle tips with 2.0 mm to 2.5 mm orifice diameter and shut-off nozzles preventing drool during screw recovery. Terminal product types are distribution box frames, meter-box terminal covers, and cable trunking support brackets manufactured for IEC 61439-1:2020 low-voltage switchgear and controlgear assemblies, with RoHS 2011/65/EU Annex II compliance verified by XRF screening on each production lot.
Dimensional drift above 0.12 mm across a 450 mm path in a diagnostic analyzer deck is created by anisotropic shrinkage when gate placement allows flow length-to-thickness ratios above 220:1, so Mineralblend PP Homopolymer PP-1600 is molded in this segment using sequential valve-gate sequencing with first-to-last gate delay below 0.8 s. The formulation is 100 phr PP-1600, 2.5 phr internal antistatic masterbatch giving surface resistivity of 1 × 10¹⁰ Ω when tested to IEC 61340-5-1:2016 Annex C, and 0.2 phr hindered phenolic antioxidant masterbatch to limit yellowing after 1000 h at 60 °C. Processing occurs on a 700 t injection molding machine with melt temperature 210 °C to 235 °C, mold temperature 25 °C to 35 °C, pack pressure 45 MPa to 65 MPa for 10 s, and cooling time 45 s to 60 s. Post-mold flatness is measured after 24 h at 23 °C and 50 % RH with a granite surface plate; batches exceeding 0.15 mm deviation are reground at no more than 20 wt% in subsequent runs because higher regrind fractions lower the notched impact below 4.0 kJ/m² at 23 °C to ISO 180:2023. Electrical safety compliance for the finished equipment is assessed under IEC 61010-1:2010/AMD1:2016, while the raw material is screened against REACH SVHC and RoHS 2011/65/EU. Terminal products are benchtop analyzer chassis panels, slide-rail brackets, and carousel support bases for laboratory automation systems, all in non-patient-contact locations where chemical resistance to dilute hypochlorite is verified by 24 h immersion with no visible surface change.
In contract seating and height-adjustable table bases, Mineralblend PP Homopolymer PP-1600 is selected as an alternative to glass-filled nylon only where continuous-use temperature remains below 70 °C and dry-as-molded surface finish is more critical than absolute modulus, because the replacement of a nylon 6–6 grade with an impact-modified PP matrix changes creep behavior under static load. The recommended blend for structural ribs and armrest frames is 75 wt% PP-1600, 15 wt% short-glass-fiber concentrate containing 40 wt% E-glass, 8 wt% PP impact modifier masterbatch, and 2 wt% color masterbatch. Flexural modulus measured to ISO 178:2019 at 2 mm/min is above 3200 MPa, and notched Izod impact at 23 °C remains above 6.0 kJ/m², while creep at 70 °C under 5 MPa flexural load is held below 0.8 % after 24 h. Processing uses structural foam injection molding on a 900 t machine with 0.5 wt% endothermic chemical foaming agent masterbatch, melt temperature 230 °C to 250 °C, injection speed 60 mm/s to 100 mm/s, and gas pack pressure 7 MPa to 12 MPa for 6 s to 10 s. Product compliance is evaluated under ANSI/BIFMA X5.1-2017 for chair arm pulls, EN 1728:2012 for seating strength, REACH Annex XVII, and CAL TB117-2013 where local flammability documentation is mandated. Terminal product types are armrest structural frames, table base spiders, and lateral support shells, each with wall thickness variation kept between 3.0 mm and 5.0 mm to limit sink mark development at rib intersections.
Puncture resistance in 8 L sharps waste containers is governed by the oriented skin-to-core thickness ratio, which is maintained above 0.25 by setting injection speed to 100 mm/s to 140 mm/s and holding pack pressure at 55 MPa to 70 MPa for 6 s to 8 s in 48-cavity stack molds on a 550 t high-speed machine. Mineralblend PP Homopolymer PP-1600 is processed with 100 phr resin, 1.5 phr orange or white color masterbatch, and 0.1 phr external lubricant to reduce ejection force below 12 kN per cavity block. Walls of 1.2 mm to 1.5 mm nominal thickness are tested for puncture under ISO 23907-1:2019 sharps container requirements, with the lid interception geometry designed to prevent withdrawal of attached sharps and to resist a 500 g drop from 0.5 m without lid separation. The material is screened for REACH and RoHS 2011/65/EU restricted substances, and the production environment is validated to ISO 13485:2016 where the finished container is marketed as a healthcare waste accessory but not as a patient-contact medical device. Terminal product types include 3 L, 5 L, and 8 L sharps waste containers, pharmaceutical waste bins, and non-returnable clinical waste pail liners. Post-mold dimensional checks are performed on a vision gauging station with pass criteria of ±0.15 mm on the lid engagement groove width to ensure consistent closure force across the full batch.
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Mineralblend PP Homopolymer PP-1600 is a mineral-filled polypropylene homopolymer compound supplied as free-flowing pellets for injection molding and profile extrusion. The grade is formulated around a target flexural modulus of 1600 MPa as measured by ISO 178:2019 / ASTM D790-17, with melt mass-flow rate controlled within a range of 10 g/10 min to 18 g/10 min at 230 °C and 2.16 kg piston load according to ISO 1133-1:2022. The mineral phase consists of a proprietary blend of laminar silicate and calcium carbonate particles, surface-coated to limit catalytic degradation of the polypropylene matrix during continuous extrusion at melt temperatures up to 240 °C. This composition reduces molding shrinkage and warpage relative to unfilled PP homopolymer while retaining the chemical resistance typical of polyolefins. Published data for the specific PP-1600 configuration is limited; the process windows and property ranges cited below derive from supplier technical bulletins for comparable mineral-filled homopolymer grades and from ASTM/ISO conditioning protocols.
Table 1 contrasts target values for PP-1600 with reference data for neat PP homopolymer and a heavily mineral-filled comparison compound. The differentiation is primarily mechanical: PP-1600 occupies an intermediate stiffness position, with flexural modulus higher than neat PP and lower than 40 wt% mineral-filled systems.
| Property | Test method | PP-1600 target | Neat PP homopolymer | 40 wt% mineral-filled PP reference |
|---|---|---|---|---|
| Density | ISO 1183-1:2019 / ASTM D792-20 | 1.03–1.08 g/cm³ | 0.90–0.91 g/cm³ | 1.22–1.26 g/cm³ |
| Melt mass-flow rate | ISO 1133-1:2022 | 10–18 g/10 min | 12–20 g/10 min | 8–16 g/10 min |
| Tensile yield stress | ISO 527-2 / ASTM D638-14 | 26–30 MPa | 30–35 MPa | 20–24 MPa |
| Flexural modulus | ISO 178:2019 / ASTM D790-17 | 1550–1750 MPa | 1200–1500 MPa | 2800–3400 MPa |
| Notched Charpy impact, 23 °C | ISO 179-1/1eA | 2.5–4.5 kJ/m² | 5.0–10.0 kJ/m² | 2.0–3.5 kJ/m² |
| Heat deflection temperature, 1.8 MPa | ISO 75-2 / ASTM D648-18 | 65–85 °C | 50–65 °C | 85–110 °C |
| Molding shrinkage | ISO 294-4 / ASTM D955 | 0.8–1.2 % | 1.2–1.8 % | 0.4–0.8 % |
Specimens used for the property comparisons in Table 1 are injection-molded under ISO 294-1 conditions and conditioned at 23 °C and 50 % relative humidity for 88 h prior to testing. Relative to neat PP homopolymer, PP-1600 exhibits higher flexural modulus, lower creep under load, and reduced coefficient of linear thermal expansion. The trade-off is a measurable reduction in notched impact strength, with Charpy values below half the typical unfilled PP result. For impact-dominated parts, an impact-modified copolymer grade or elastomer-toughened compound should be specified instead.
PP-1600 retains resistance to dilute acids, alkalis, and many polar solvents, but the mineral filler can be extracted by strong mineral acids, reducing surface smoothness and increasing gloss differential. Environmental stress-cracking resistance is superior to ABS in detergent solutions at 50 °C, but not comparable to high-density polyethylene in strong oxidizing media. Prolonged ultraviolet exposure causes chalking of the mineral filler and surface gloss reduction; a hindered amine light stabilizer package is required for outdoor applications.
Melt viscosity of PP-1600 at low shear rates is higher than that of unfilled PP of equivalent melt mass-flow rate because the mineral particles form a yield-stress network that must be broken before flow becomes fully developed. Capillary rheometry at 230 °C and apparent shear rate 100 s⁻¹ indicates viscosity in the 120–180 Pa·s range for comparable talc-filled PP homopolymers. The power-law index n is between 0.30 and 0.45, indicating pronounced shear thinning. Injection molding should therefore use medium-to-high injection velocity to avoid flow marks and excessive filling pressure loss. A general-purpose three-zone screw with 20:1 to 25:1 L/D ratio is acceptable, but the mineral filler causes abrasive wear on screw flights and barrel surfaces. Bimetallic barrel liners and hardened screw tips are recommended for continuous operation; check-ring seat wear is a known failure mode in production runs exceeding 2 × 10⁶ cycles.
Before plastication, pre-drying at 80 °C for 2–4 h is recommended if storage relative humidity exceeds 60 %. Although the polypropylene matrix has low moisture uptake, surface-treated mineral fillers and adsorbed water on filler particles can generate splay and internal porosity in thick sections. Melt temperature at the nozzle should be held within 215–240 °C. Thermal-oxidative chain scission of the PP matrix accelerates above 250 °C, shifting melt mass-flow rate upward and reducing impact strength. Residence time at melt temperature should not exceed 15 min; longer hold-up in hot-runner manifolds can produce yellowing, odor, and loss of mechanical properties.
PP-1600 is not a direct chemical substitute for ABS in appearance parts requiring high surface hardness; pencil hardness of mineral-filled PP remains below HB, whereas ABS commonly reaches F–H pencil hardness. However, for appliance chassis, air-conditioner drain pans, and under-hood covers where low density and chemical resistance matter, PP-1600 can reduce part mass by approximately 12–15 % relative to ABS of equivalent thickness. The mineral phase increases specific gravity to 1.03–1.08 g/cm³, allowing thinner wall sections to carry the same bending load while reducing material consumption relative to neat PP. In laundromat-scale tumble dryer baffles, typical production-scale observations for mineral-filled PP homopolymer compounds with similar melt mass-flow rate include stable part weights with shot-to-shot variation below 0.15 % over an 8 h production run on a 120 tonne toggle-clamp injection molding machine. Cold pin-point gates with 1.2–1.5 mm diameter were required because the filled melt exhibited higher viscosity than unfilled PP at the same melt mass-flow rate.
Gate design exerts a major influence on surface aesthetics of PP-1600 moldings. Direct tab gates with land lengths below 0.8 mm generate jetting and visible mineral-particle orientation streaks; hidden gate locations or fan gates with 1.0–1.8 mm land lengths reduce weld-line notch sensitivity. Weld-line flexural strength of mineral-filled PP is generally 55–70 % of the unfilled matrix value, so parts with multiple gates should be designed with weld lines located away from high-stress regions. Regrind of PP-1600 can be recycled at 15–25 % with virgin material without significant loss of flexural modulus if the regrind is dry and free of fines. Fines generated during grinding increase sensitivity to splay and should be removed by screening at 2 mm.
Mineral particles orient during mold filling, producing anisotropic shrinkage. In PP-1600, in-flow shrinkage is typically 0.8–1.0 % and cross-flow shrinkage 1.0–1.3 % when measured on 60 × 60 × 2 mm plaques per ISO 294-4. The difference between flow and cross-flow shrinkage is smaller than neat PP because the filler restricts crystallization and retards chain orientation relaxation. Mold temperature control between 30 °C and 60 °C is required to hold warp below 0.8 % on flat parts; lower mold temperatures restrict crystallization but increase orientation-induced residual stress. PP-1600 should be molded with a short hold-pressure profile of 5–8 s per 1 mm wall thickness, followed by rapid cooling to freeze-in dimensional stability.
For thin-wall parts below 1.2 mm wall thickness, published data for this specific PP-1600 configuration is limited. Flow-length-to-wall-thickness ratio should be kept below 180:1 for general-purpose injection machines; hot-runner valve-gated systems may extend this to 220:1 if melt temperature is held at 240 °C and injection speed exceeds 60 mm/s. Production-scale injection molding of mineral-filled PP homopolymer has shown two recurring failure modes: gate blush from excessive injection velocity above 100 mm/s in small gates, and delamination at the weld line when melt temperature falls below 215 °C. Both are controlled by nozzle melt temperature and screw speed.
Regulatory documentation for PP-1600 should include REACH SVHC screening, RoHS 2011/65/EU Annex II restrictions for lead, mercury, cadmium, hexavalent chromium, PBB and PBDE, and FDA 21 CFR 177.1520 for polypropylene in food-contact applications when the specific grade and mineral masterbatch are cleared. The manufacturer’s certificate of compliance must confirm that the mineral filler and processing stabilizer do not contain substances of very high concern above the 0.1 wt% threshold. PP-1600 accepts masterbatch coloration at 2–4 wt% when the carrier resin is PP homopolymer; EVA-based carrier masterbatch should be avoided because it can shift impact and gloss and may not be compliant with polypropylene food-contact clearance.
