Breplast HDPE TS
- Product Name: Breplast HDPE TS
- Factroy Site: Yinchuan, Ningxia, China
- Price Inquiry: sales8@ascent-chem.com
- Manufacturer: Ascent Petrochem Holdings Co., Limited
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- Breplast HDPE TS is typically used in formulations when melt flow rate and processing temperature must be controlled within specific ranges.
| HS Code | 558328 |
| Product Name | Breplast HDPE TS |
| Material | High Density Polyethylene |
| Product Type | HDPE Tunnel Sheet / Geomembrane |
| Surface | Textured |
| Color | Black |
| Thickness | 1.0 mm, 1.5 mm, 2.0 mm |
| Density | 0.94 g/cm³ |
| Tensile Strength At Yield | ≥ 15 MPa |
| Tensile Strength At Break | ≥ 25 MPa |
| Elongation At Break | ≥ 600% |
| Tear Resistance | ≥ 100 N |
| Puncture Resistance | ≥ 500 N |
| Carbon Black Content | 2.0% - 3.0% |
| Oxidative Induction Time | ≥ 100 min |
| Water Absorption | ≤ 0.01% |
| Brittleness Temperature | ≤ -70°C |
| Service Temperature | -40°C to +80°C |
| Chemical Resistance | Resistant to acids, alkalis, salts, and oils |
| Roll Width | 2 m |
| Roll Length | 50 m |
| Standard | IS 15351 / ASTM D-5199 |
As an accredited Breplast HDPE TS factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Breplast HDPE TS is typically packaged in 25 kg polyethylene-lined paper bags, palletized and shrink-wrapped for industrial handling. |
| Container Loading (20′ FCL) | Breplast HDPE TS is palletized in 25 kg bags and loaded into a 20-foot FCL container under dry, secure conditions. |
| Shipping | Breplast HDPE TS is a non-hazardous, solid thermoplastic supplied in 25 kg bags or bulk octabins. Ship by standard truck or container. Keep dry, cool, and out of direct sunlight; avoid puncturing packages. No UN number, transport class, or special placards required. Follow local regulations and supplier documentation. |
| Storage | Store Breplast HDPE TS in a cool, dry, well-ventilated area, away from direct sunlight, heat, sparks, flames, and strong oxidizers. Keep containers sealed, labelled, upright, and protected from moisture, dust, and contamination. Avoid prolonged UV exposure and temperatures above 50 °C. Use original packaging, keep the area clean, store away from incompatible materials, and follow the safety data sheet and local regulations. |
| Shelf Life | Breplast HDPE TS shelf life: about 12 months when stored sealed in original packaging, dry, cool, away from direct sunlight. |
Breplast HDPE TS is processed in rigid industrial logistics injection molding where the controlling processing envelope is set by a melt temperature range of 210°C to 250°C and a mould surface temperature of 20°C to 40°C. On twin-platen injection machines with clamp force between 8,000 kN and 25,000 kN, vented pallets and collapsible crates require injection pressure of 80–140 MPa and holding pressure of 50–70 MPa to limit sink marks at rib root vertices below 0.1 mm. The most frequent production-scale failure mode is cold slug formation in the hot runner when nozzle tip temperature drops below 210°C; resulting short shots concentrate in the outer corner bosses. Batch-to-batch MFR drift, measured under ISO 1133-1:2022 at 190°C/2.16 kg, alters fill time by 8–15% and shifts the gate freeze-off window by 2–4 s; screw cushion is therefore held at 3–5 mm and melt residence time is capped at 8 min to avoid chain scission-induced ESCR deterioration.
Formulation loadings for this sector use 80–100 wt% Breplast HDPE TS as the virgin continuum, with post-industrial regrind capped at 20 wt% and introduced only through a gravimetric blender with dosing accuracy of ±0.5 wt%. Colour masterbatch is metered at 1.0–2.5 wt%, nucleating agent at 0.05–0.15 wt%, and slip/antiblock package at 0.05–0.20 wt%. Regrind addition above 20 wt% is discouraged because tensile yield strength under ASTM D638-14 can shift by more than 6% and impact behaviour can transition from ductile to brittle failure at -20°C. Food-contact crates fall under FDA 21 CFR 177.1520 for olefin polymers and EU 10/2011 overall migration limit of 10 mg/dm²; pallets are validated under ISO 8611-1:2021 and ISO 8611-2:2021 for bending and corner impact. Published data for the exact Breplast HDPE TS regrind blend on a production-scale twin-platen line is limited; the above limits are therefore drawn from ISO 17855-1:2021 designation classes and ASTM D4976-12a(2020)e1 specification ranges for high-density polyethylene moulding grades.
| Downstream sector | Standard or regulation | Clause or method | Numerical limit or test condition |
|---|---|---|---|
| Rigid logistics injection molding | ISO 8611-1:2021 | Flat pallet bending and corner impact methods | Application-defined rated load; no visible permanent deformation |
| Automotive DEF tank blow molding | ISO 22241-3:2019 | Handling, transportation and storage compatibility | Drop test at -40°C; no leakage |
| Caps and closures | FDA 21 CFR 177.1520 | Olefin polymers | Overall migration < 10 mg/dm² per EU 10/2011 |
| Sheet extrusion thermoforming | ASTM D790-17 | Flexural modulus | Application-defined minimum flexural modulus |
| Corrugated drainage pipe | EN 13476-2:2018 | Structured-wall PE pipe | SN4 ring stiffness ≥ 4 kN/m² at 3% deflection |
| UN jerrycan blow molding | ADR 6.1.5.3 | Drop test for dangerous goods packagings | Conditioning at -18°C for 24 h; no leakage |
Downstream injection molding is conducted on screws with L/D ratio 20:1 to 24:1, compression ratio 2.5:1, and a reverse-flight check ring to maintain the 3–5 mm cushion. Mould shrinkage is measured under ISO 294-4:2018; typical parallel shrinkage is 1.5–2.0% and transverse shrinkage is 1.0–1.5%. Warpage is controlled below 0.8 mm per 300 mm span by maintaining a fixed-to-moving mould temperature difference of ≤5°C. For 4.5–6.0 mm nominal wall, cooling time is 25–45 s; demoulding before 25 s leaves sufficient residual heat to generate post-mould shrinkage of 0.3–0.5% within 24 h. If storage RH exceeds 60%, hopper drying at 70–80°C for 1–2 h reduces surface moisture splay. Terminal finished product types include injection-molded vented pallets in 1200 mm × 1000 mm footprints, stack/nest distribution crates, agricultural harvest bins, and interlocking dunnage platforms with moulded-in drainage channels.
What Limits Drop Impact in Automotive Diesel Exhaust Fluid Tank Blow Molding?
Automotive diesel exhaust fluid tank blow molding imposes low-temperature drop impact requirements far above those accepted in non-automotive HDPE containers. Breplast HDPE TS can be used only if the accumulator head temperature is controlled within 210–230°C and the parison is formed with a wall-thickness programmer that maintains the lower pinch zone at 3× the nominal sidewall thickness. Compliance for DEF tanks follows ISO 22241-1:2019 and ISO 22241-3:2019, with material compatibility evaluated through the standard’s storage and handling clauses; additional OEM specifications commonly require drop testing at -40°C after conditioning and no visible leakage from the pinch weld or insert bosses. The formulation for monolayer tanks uses 96–100 wt% Breplast HDPE TS with carbon black masterbatch at 2.0–2.5 wt% only where UV stabilization is required, and antioxidant package at 0.05–0.15 wt%. Regrind is introduced in the middle layer of multilayer constructions at up to 20 wt%; it is not added to the inner DEF-contact layer to avoid contaminant migration.
On shuttle blow molders with L/D 24:1–30:1 and accumulator shot capacity up to 10 kg, the melt is extruded at 200–220°C; parison swell of 30–50% requires die gap compensation of 0.8–1.2 mm above the target wall thickness. Blow pressure is set at 0.6–1.0 MPa and mould temperature is held at 15–25°C; blow pressure below 0.6 MPa leaves the pinch weld porous, while pressures above 1.0 MPa over-stretch the lower radius and cause local thinning below 1.5 mm. The main production bottleneck is residence time in the accumulator; intervals beyond 8 min produce gel particles on the inner tank surface and reduce notched impact resistance. Terminal finished product types include DEF tanks from 10 L to 60 L, selective catalytic reduction system reservoirs, and urea dosing reservoir assemblies for heavy-duty trucks and off-road machinery.
In closure compression molding, Breplast HDPE TS is metered into rotary turret machines with 15–40 kN cavity compression force and mould temperature 5–15°C. The formulation uses 100 phr Breplast HDPE TS, erucamide slip additive at 0.05–0.10 wt%, and colour concentrate at 0.5–1.0 wt%; pharmaceutical closure compounds exclude regrind, while beverage closure reclaim may be re-introduced up to 10 wt% if the incoming flake is lot-coded and decontaminated. Compliance is anchored to FDA 21 CFR 177.1520, EU 10/2011, and USP <661.1> for plastic packaging components where applicable. The plastication barrel is maintained at 200–230°C; the closure is compression-molded and cooled for 4–8 s before demoulding. Removal torque stability is tested after storage at 40°C for 7 days; slip additive above 0.10 wt% blooms to the surface and increases cap-liner delamination risk. Terminal finished product types include 28 mm PCO 1881 beverage closures, 38 mm pharmaceutical screw caps, and child-resistant closure shells for dry oral dosage packaging.
When Sheet Extrusion Thermoforming Meets the Screw Cooling Plateau
Thermoforming-grade sheet produced from Breplast HDPE TS becomes production-stable only when the chill-roll stack is operated at 80–100°C and the screw cooling plateau in the feed section is maintained below 65°C; otherwise sheet gauge variation exceeds ±0.05 mm and the thermoforming window collapses. The formulation is built on 100 phr Breplast HDPE TS with processing aid at 0.03–0.08 wt%, external lubricant at 0.05–0.10 wt%, and hindered amine light stabilizer at 0.20–0.50 wt% for outdoor dunnage and automotive trunk panels. Compliance for non-food industrial sheet is checked against RoHS Directive 2011/65/EU and the REACH SVHC candidate list; food-contact tray applications require EU 10/2011 overall migration below 10 mg/dm² and FDA 21 CFR 177.1520.
Sheet extrusion is run on single-screw extruders with L/D 30:1–34:1, barrier screw geometry, and a coat-hanger die with 0.5–1.0 mm die gap. The sheet is cooled on a vertical three-roll stack and cut into blanks of 2–6 mm thickness. Thermoforming is performed at a sheet surface temperature of 160–175°C, with plug assist and mould temperature 40–60°C; excursions above 175°C induce sagging and non-uniform wall thinning below 0.8 mm in deep-draw corners. Terminal finished product types include automotive trunk side panels, industrial dunnage trays, battery transport trays, and collapsible sleeve-pack blanks for machined components.
Where subsurface drainage and stormwater retention demand annular corrugated profile pipe with a minimum ring stiffness, Breplast HDPE TS is compounded at 94–98 wt% with carbon black masterbatch at 2.0–2.5 wt% and antioxidant at 0.05–0.15 wt%. The pipe must satisfy EN 13476-2:2018 and ASTM F2306/F2306M-21; ring stiffness is determined under ISO 9969:2016 with SN4 pipe requiring ≥4 kN/m² at 3% deflection. Downstream corrugation is performed on a twin-screw extruder with L/D 33:1, grooved barrel feed zone, and melt temperature held at 200–220°C. The corrugator line speed is set between 0.3 m/min and 2.5 m/min, with vacuum forming of the corrugations and cooling water at 15–25°C. Melt temperature above 220°C causes corrugation wall thinning and loss of inner wall smoothness; below 200°C the melt strength is insufficient to fill the corrugation roots, producing pinholes at 0.2–0.4 mm depth. Terminal finished product types include 100–800 mm annular corrugated drainage pipe, stormwater retention chambers, and perforated agricultural field drain laterals.
UN-Rated Industrial Jerrycan Blow Molding Under High-Weight Drop Protocols
Monolayer and trilayer jerrycan blow molding of Breplast HDPE TS is governed by the drop test sequence in ADR 6.1.5.3, the hydraulic pressure test in ADR 6.1.5.4, and the UN marking for plastics jerricans under UN 3H1. The formulation uses 100 phr Breplast HDPE TS with antioxidant at 0.05–0.12 wt% and UV stabilizer at 0.20–0.50 wt%; a trilayer structure may allocate 60–80 wt% total to virgin skins and up to 20 wt% to a closed-loop regrind core. The accumulator blow molder is operated at 200–225°C melt temperature, mould temperature 10–20°C, and blow pressure 0.7–1.0 MPa. Wall-thickness programming must maintain sidewall at 1.5–2.5 mm, top and bottom chimes at 3.0–4.0 mm, and pinch weld thickness at 2× nominal sidewall. Drop testing is performed after conditioning at -18°C for 24 h; insufficient conditioning masks low-temperature brittleness and produces false pass results. Terminal finished product types include 5 L, 10 L, 20 L and 25 L UN-rated jerrycans for dangerous goods, agrochemical containers, and laboratory solvent transport containers.
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- Breplast HDPE TS 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.
Breplast HDPE TS is a pelletized, mineral-reinforced high-density polyethylene compound in which the supplier code TS identifies talc reinforcement. The matrix is a high-density polyethylene resin, and the talc loading is fixed on the batch certificate rather than by a generic grade classification. The product is specified for injection moulding and sheet or profile extrusion of technical parts where unfilled high-density polyethylene shows excessive thickness-dependent shrinkage, low flexural modulus, or excessive creep under sustained service loads. Published application data specific to Breplast HDPE TS are limited; the property ranges stated below are class-typical for talc-filled high-density polyethylene compounds of comparable melt flow and filler geometry and should be replaced with release data for the production lot prior to tooling release.
How Does Talc Reinforcement Shift the Property Envelope of HDPE TS?
The addition of platy talc at loadings between 10 wt% and 30 wt% raises flexural modulus from the 800 MPa to 1200 MPa range typical of unfilled high-density polyethylene to a class-typical 1800 MPa to 2800 MPa under ISO 527-2. Tensile yield strength generally remains between 22 MPa and 30 MPa, while tensile strain at break falls to 5% to 20% depending on filler loading and coupling. Density increases from 0.94 g/cm³ to 0.97 g/cm³ in unfilled high-density polyethylene to 1.05 g/cm³ to 1.15 g/cm³ under ISO 1183-1. This change reduces mould shrinkage after 24 h from 2% to 3% in unfilled HDPE to 0.8% to 1.5% in talc-filled HDPE TS when measured according to ISO 294-4. The notched Charpy impact at 23 °C under ISO 179-1/1eA typically falls from 10–20 kJ/m² to 3–8 kJ/m², and at -20 °C the retained impact energy is commonly below 4 kJ/m².
| Property | Unfilled HDPE | Talc-filled HDPE TS class | Test standard |
|---|---|---|---|
| Density | 0.94–0.97 g/cm³ | 1.05–1.15 g/cm³ | ISO 1183-1 |
| Tensile modulus | 800–1200 MPa | 1800–2800 MPa | ISO 527-2 |
| Flexural modulus | 900–1300 MPa | 1800–2600 MPa | ISO 178 |
| Notched Charpy impact at 23 °C | 10–20 kJ/m² | 3–8 kJ/m² | ISO 179-1/1eA |
| Mould shrinkage after 24 h | 2–3% | 0.8–1.5% | ISO 294-4 |
| Vicat A50 softening temperature | 120–130 °C | 120–135 °C | ISO 306 |
| Heat deflection temperature at 0.45 MPa | 65–80 °C | 70–90 °C | ISO 75-2/B |
Impact modification is commonly required when the component contains snap-fit arms or screw bosses. The notched Charpy response depends strongly on talc particle size and coupling; fine talc with a median particle size below 5 µm retains more ductility than coarse talc above 10 µm at the same filling level. If the supplier does not declare the talc median particle size for Breplast HDPE TS, incoming inspection can use laser diffraction on the ash residue after polymer burn-off in a muffle furnace at 600 °C under controlled atmosphere. At low shear rates, apparent viscosity of talc-filled HDPE at 190 °C is typically 500 Pa·s to 800 Pa·s at 100 s⁻¹; unfilled HDPE of similar melt flow rate usually shows 400 Pa·s to 600 Pa·s. The shear-thinning exponent is steeper in filled systems, so filling pressure at thin-wall gates may be higher despite similar melt flow index.
Pre-drying is required at 80 °C for 2 h to 4 h in a desiccant dryer when surface moisture exceeds 0.05 wt%. For injection moulding, barrel set temperatures are typically flat or reverse from 190 °C at the feed zone to 220 °C at the nozzle, with mould temperature between 20 °C and 60 °C. Screw recovery speed above 150 rpm is not recommended on general-purpose L/D 20:1 screws because talc-induced viscous heating accelerates thermo-oxidative degradation; hard-faced non-return valves and bimetallic barrels are used on production machines exceeding 10,000 h annual operation. On injection moulding machines with clamp force from 800 kN to 12,000 kN, a melt cushion of 3 mm to 6 mm and hold pressure of 60% to 80% of injection pressure are maintained. Weld-line strength in mineral-filled grades is reduced by 30% to 50% relative to unfilled HDPE; gate positions should therefore place weld lines away from tensile stress concentrations.
Sheet and profile extrusion typically use breaker plate screens of 60/80/100 mesh and a melt pump, with die melt temperature maintained at 200 °C to 230 °C. Surface teardrop defects occur when die temperature falls below 190 °C; raising die land temperature or reducing filler concentration at the die surface can restore surface finish. On twin-screw compounding lines with L/D 40:1, barrel wear rate increases by a factor of 2 to 3 when talc is fed before the barrel vents; side-feeding after the melt zone and vacuum devolatilization at -0.08 MPa reduce adsorbed moisture and volatiles. Screw compression ratio should be 2.5:1 to 3.0:1 on injection machines, with first-zone barrel temperature not exceeding 180 °C to prevent filler segregation.
When HDPE TS Is Substituted for Glass-Filled Polypropylene in Semi-Structural Housings
Talc-filled HDPE TS is evaluated when glass-filled polypropylene produces excessive warpage or when lower density and improved environmental stress crack resistance are required. Chemically coupled 20 wt% glass-fibre polypropylene typically shows tensile modulus from 3500 MPa to 4500 MPa, which is higher than the 1800 MPa to 2800 MPa range of talc-filled HDPE TS under ISO 527-2. Glass-filled polypropylene density is near 1.05 g/cm³, while talc-filled HDPE density sits between 1.05 g/cm³ and 1.15 g/cm³, but the HDPE matrix retains better low-temperature ductility in thin-wall sections. Notched Charpy impact under ISO 179-1/1eA at -20 °C is often below 6 kJ/m² for glass-filled polypropylene, whereas talc-filled HDPE TS can remain above 4 kJ/m² depending on talc particle size and coupling. In chemical splash environments, the HDPE matrix resists oxidizing acids and polar fluids better than polypropylene, but the continuous-use temperature under load is limited to 70 °C; glass-filled polypropylene can be used above 100 °C depending on load. Substitution is therefore confined to parts where the service temperature does not exceed 70 °C and where lower flexural modulus can be offset by ribbing or increased section thickness. Unlike unfilled HDPE, the drop in notched impact with filler requires radiused corners and no sharp internal notches; tooling should specify a minimum radius of 0.5 mm at bosses. Differential shrinkage between flow and transverse directions is lower than glass-filled polypropylene because talc is platy rather than fibrous; warpage index under ISO 294-4 is therefore lower in flat plaques.
For food-contact or potable-water applications, Breplast HDPE TS must be covered by a grade-specific compliance letter under 21 CFR 177.1520 or EU Regulation 10/2011. The talc component must be free of asbestos-form fibres and must meet heavy-metal limits specified in the relevant food-contact monograph. Industrial electronics specifications may require compliance with RoHS Directive 2011/65/EU and REACH candidate-list restrictions; these declarations are additive-dependent and cannot be assumed for all colour variants. Pre-coloured compounds can contain organic pigments that alter shrinkage and impact; only supplier-matched masterbatch systems should be used in precision parts.
Dimensional Stability, Creep, and Post-Processing Moisture Uptake
Coefficient of linear thermal expansion and tensile creep under sustained load are primary reasons for specifying Breplast HDPE TS over unfilled HDPE. Class-typical CLTE values are 60 × 10⁻⁶ K⁻¹ to 100 × 10⁻⁶ K⁻¹ in the flow direction compared with 100 × 10⁻⁶ K⁻¹ to 150 × 10⁻⁶ K⁻¹ for unfilled HDPE under ISO 11359-2. Water absorption after 24 h at 23 °C is below 0.1% under ISO 62; mechanical testing of talc-filled HDPE therefore does not require conditioning except where surface moisture affects weld-line strength. Creep modulus under 1000 h tensile load at 20 MPa and 23 °C is typically retained above 1500 MPa for talc-filled HDPE, compared with 700 MPa to 900 MPa for unfilled HDPE; actual values depend on filler orientation and test plaque thickness. Thermal conductivity of talc-filled HDPE is higher than unfilled HDPE by 20% to 40%, typically 0.35 W/(m·K) to 0.45 W/(m·K) versus 0.25 W/(m·K) to 0.35 W/(m·K); this reduces cooling time in thick sections but can cause warpage if mould halves are not cooled symmetrically.
Breplast HDPE TS Is Not a Direct Drop-In for Unfilled HDPE Tooling
Tooling designed for unfilled HDPE must be recalculated for shrinkage of 0.8% to 1.5% rather than 2% to 3%. Spiral flow length at 220 °C and 80 MPa injection pressure is typically 15% to 30% shorter for talc-filled HDPE than for unfilled HDPE at the same melt flow rate under ISO 1133-1. Gates and runners must be sized larger: cold sprue bush orifices below 2.5 mm cause premature freeze-off in walls below 1.5 mm section. Ejector pin count and draft angle are increased because talc-filled grades have lower elongation and lower notch resistance. Mould cooling circuits should be balanced to keep cavity surface temperature variation within ±5 °C to avoid warpage from differential shrinkage.
Talc-filled high-density polyethylene retains the base polymer’s resistance to dilute acids, bases, and aqueous salt solutions, but platy filler can increase wicking at exposed surfaces and reduce environmental stress crack resistance relative to unfilled HDPE. Under ASTM D1693 Condition B in 100% Igepal CO-630 at 50 °C, unfilled high-density polyethylene commonly exceeds 200 h, while talc-filled grades can fall below 100 h depending on filler loading and coupling agent. Continuous contact with aromatic hydrocarbons, chlorinated solvents, or strong oxidizing acids above 25 °C should be avoided; these agents can cause swelling or oxidative chain scission. If the part is exposed to detergent or industrial cleaner solutions, ESCR data for the specific Breplast HDPE TS lot should be requested because filler-binder interfaces act as crack initiation sites. Oxidative induction time at 200 °C under ISO 11357-6 for a stabilized talc-filled HDPE grade is typically above 20 min; unstabilized regrind can reduce OIT below 5 min, requiring replenishment with an antioxidant masterbatch. Reprocessing should be limited to 20 wt% of clean sprues and runners unless the supplier validates a higher regrind level.
Receiving inspection should include melt flow rate under ISO 1133-1 at 190 °C and 2.16 kg, ash content under ISO 3451-1, density under ISO 1183-1, and a standardized injection-moulded plaque for shrinkage and warpage. Batch-to-batch variance in talc-filled grades can shift flexural modulus by ±10% and notched impact by ±15% if filler loading or particle-size distribution changes; this becomes visible on multi-cavity tools with dimensional tolerances below 0.3 mm. Upper and lower control limits should be established from the first 10 production lots rather than from a single approval lot.
Comparable talc-filled high-density polyethylene compounds are used in automotive HVAC ducts, appliance bases, pump housings, cable management channels, and industrial pallet inserts. In HVAC ducts, lower CLTE and higher surface rigidity than unfilled HDPE reduce vibration-induced rattling under sweep tests from 40 Hz to 120 Hz, although no single vehicle-platform acoustic standard applies. In appliance bases and housings, the material is used when post-mould assembly gap over a 600 mm span must remain below 0.3 mm; such dimensions require balanced holding pressure and gate design. Compatibility with adhesives and mechanical fasteners differs from unfilled HDPE because talc increases surface polarity slightly; peel adhesion of pressure-sensitive adhesives on corona-treated talc-filled HDPE sheet is generally 10% to 30% lower than on unfilled HDPE under ASTM D3330. Published data for Breplast HDPE TS in these specific configurations is limited; part-specific trials on the release compound remain necessary.
