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Carbon-black masterbatch · factory-direct

Black Masterbatch — Choose the Right Grade, Not a Catalog Guess

We have compounded black masterbatch at our Huizhou plant since 2016. Tell us your base resin, target jetness and process, and we match a grade — then prove it with a trial lot on your own line. No trading-company markup in between.

Since 2016 ISO 9001 / 14001 / 45001 PE / PP / ABS / EVA carrier Carbon loading 30–50% Lot-by-lot CoA
60,000 t/yrplant capacity
30+ countriesexport markets
1 tonMOQ per grade
10–15 daystypical lead time

What black masterbatch actually is

A quick, buyer-side view — what goes in, what comes out, and why the grade matters more than the price tag.

Black masterbatch is a concentrated blend of carbon black pigment dispersed in a carrier resin. You meter a small percentage (the let-down ratio) into your natural or virgin polymer during extrusion or injection, and the whole batch comes out a uniform black. The "master" part means it is pre-mixed at high shear, so the carbon black is already broken up and wetted — you avoid agglomerates, specks and streaking that raw pigment would cause.

Three variables decide whether a grade works on your line: the carrier resin (it should match or be compatible with your base polymer), the carbon loading (how deep the black is), and the let-down ratio (how much masterbatch per hundred parts of resin). Get these wrong and you get poor dispersion, weak weld lines, or a color that drifts lot to lot. Get them right and you get a stable black that passes audit and looks the same on every part.

How to choose the right grade

A short selection checklist we use with every new buyer. Send us the answers and we return a grade code and the specification.

1 · Carrier

Match the carrier to your resin

PE and PP carriers for polyolefin parts; ABS for automotive trims; EVA for cable and foam. A carrier close to your base polymer disperses cleanly and avoids compatibility haze.

2 · Jetness

Set the carbon loading

30–50% carbon black covers most needs. Higher loading = deeper black but higher viscosity; we tune it to your target shade and your process window.

3 · Process

Fit the let-down ratio

Typical letdown is 1–4%. Thin-wall or color-critical parts need tighter dispersion; we advise the ratio so your line runs without streaks.

4 · Spec

Confirm compliance needs

Low-odor for interiors, UV-stable for outdoor pipe, food-contact options for packaging. Tell us the standard and we match a grade.

Typical grade range

A starting point — every order is tuned to your resin and target, not pulled from a fixed shelf.

Carrier resinPE / PP / ABS / EVA (others on request)
Carbon black content30 – 50% standard; full range 10 – 65% by grade
Standard gradesCM50 · N4066 · 6045 · 508C · PP103 · PP30F · Y07B · SY-65 — full TDS chart
Let-down ratio1 – 4% typical; advised per process
DispersionFiltered for clean runs — no specks, no streaks
Melt flow (MFR)Matched to injection / extrusion / blow molding
OptionsLow-odor, UV-stable, food-contact grades available
CertificationsPlant: ISO 9001 / 14001 / 45001
Black masterbatch grades shown in sample containers Masterbatch sample rack with labeled pellet lots

Where our black masterbatch goes

We compound for specific end-uses. Pick the one close to yours for grade detail:

Automotive interiors

Low-odor black masterbatch for dashboards, trims and wire harness. Stable color, audit-ready paperwork.

Pipe & profile

UV-stable black for pressure pipe, conduit and outdoor profile. Consistent lots, outdoor durability.

Film & blown film

High-dispersion grade for mulch, garbage and liner film. No gel, no specks at thin gauge.

Cable & wire

UV-stable jacketing grade for power, telecom and fibre cable. Runs clean at high line speed.

Every application we compound for

Each application has its own page with the grade details, typical spec and a quote form:

Automotive interiors

Low-odor, low-VOC black for dashboards, trims and harness parts.

Pipe & conduit

UV-stable black for PE/HDPE pressure pipe, drain and conduit.

Blown film

High-dispersion grade for thin-gauge film, no gels at low gauge.

PP woven bags & FIBC

UV-stable sack grade that keeps tape strength on the loom.

Geomembrane & liner

Carbon content and dispersion set to what liner standards require.

Drip tape & irrigation

Thin-wall clean grade that protects against plugged emitters.

Mulch & silage film

Even opacity at thin gauge, UV-stable for a full field season.

Garbage bags

High let-down economy grade tuned to your cost per bag.

Food contact

EU 10/2011 and FDA-aligned grades with per-lot documentation.

Injection molding

PP, ABS, PS and PE grades with high-gloss and matte options.

Cable jacket

UV-stable sheath and ducting grade for power and telecom cable.

Conductive & ESD

Grades matched to a target surface resistivity, measured per lot.

High-load carbon black

40–50% loading for UV protection, opacity and jet black finish.

PET fibre, sheet & strap

PET-carrier grade that spins clean and holds an even shade.

Price & quotation

What black masterbatch costs per kg, and how to get a firm quote.

New: our Black Masterbatch Buyer’s Guide 2026 pulls this together into one page — how to read a spec, calculate let-down and real cost, choose by application, fix defects and vet a plant.

MOQ, lead time & how we ship

Built for trial-and-scale, not just full containers.

Minimum order1 ton per specification — trial and small batches supported
SampleFree trial lot, 5–7 days to prepare, shipped with your let-down guidance
Production lead timeTypically 10–15 days after spec confirmation
Packaging25 kg PE bags, palletized; jumbo bags on request
DocumentsCoA per lot, commercial invoice, packing list; inspection before shipment arranged on request

Inside the plant & how your order ships

Not stock photos — this is the E-LUCK plant in Huizhou, Guangdong, and the packaging your goods travel in.

Twin-screw compounding extrusion line at the E-LUCK plant QC laboratory with testing balances for lot checks Automated bagging and palletizing line VOC treatment tanks supporting low-odor production
E-LUCK 25 kg paper bag packaging E-LUCK 25 kg woven plastic bag packaging 25 kg heat-sealed PE film bag for masterbatch Palletized laminated paper bags ready for shipment

Why buy factory-direct from E-LUCK

  • Real plant, since 2016. You deal with the manufacturer, not a trading company — the margin stays in your cost.
  • Your spec stays private. Drawings and formulas are kept inside our plant, not broadcast to competitors.
  • Grade, not guess. We match carrier, loading and let-down to your resin and process, then prove it on your line with a trial lot.
  • Audit-ready. ISO 9001 / 14001 / 45001 plant with CoA per lot for traceability.
  • Capacity to scale. 60,000 t/yr plant serves 30+ countries — trial today, volume next quarter.
  • Fast answer. One sales desk handles quote, sample and shipping, so you are not ping-ponging suppliers.

Market notes for buyers

We publish short, practical reads on price and compliance — useful when you plan sourcing:

Pricing

Carbon black price outlook 2026

What moves carbon black cost, and how we keep masterbatch pricing steady across lots.
Compliance

REACH & RoHS for black masterbatch

A buyer checklist for EU-bound parts — what to ask your supplier before you commit.
Market

Black masterbatch market outlook 2026

Demand by region and application, and what it means for your sourcing plan.
Selection

Choosing black masterbatch for car interiors

The odor and dispersion points that decide pass or reject on the OEM line.

Get a factory quote

Tell us your base resin, target and quantity. We reply with a firm factory quote — and, if you want to test before committing, a free 1–5 kg sample compounded on your own carrier resin. No obligation.

You will hear back from Zoe Lin, our export manager, within one working day — firm factory quote, spec kept confidential.

Related reading

Related reading: what actually drives a black masterbatch quote — the five variables behind the price per kilo.

Questions buyers ask

What is black masterbatch used for?

Black masterbatch is a concentrated mix of carbon black and carrier resin that gives plastics a deep, uniform black color. It is used in automotive trims, pipes, films, cables, injection and blow-molded parts, and packaging where consistent color and UV stability matter.

How do I choose the right grade?

Match three things: the carrier resin to your base polymer (PE, PP, ABS or EVA), the carbon loading to your target jetness (usually 30–50%), and the let-down ratio to your process. Send us your base resin and target and we propose a starting grade.

What is the minimum order quantity?

MOQ starts from 1 ton per specification. We support trial and small batches, not just full containers, so you can validate a grade before committing to volume.

What is the typical lead time?

Production lead time is typically 10–15 days; a trial sample can be prepared in 5–7 days and shipped to most markets within about a week.

Is my specification kept confidential?

Yes. Your spec and drawings are shared only inside our plant, not broadcast to other suppliers. We treat buyer specifications as private.

Company registration. Unified Social Credit Code 91441322MA4ULT1D8T — verifiable on gsxt.gov.cn. See full company facts