SHUO YANMASTERBATCHDiscuss Your Part ↗

SOLUTIONS

Color and performance masterbatch, built for the resin it has to live in.

From nylon and high-temperature engineering plastics to high-volume commodity molding — formulated around your polymer, your process and the conditions the part actually sees.

WHAT USUALLY GOES WRONG

Same symptom.
Different mechanism.

01

Color shifts at processing temperature

The approved shade drifts, usually yellower or duller, at production temperature — or between thick and thin sections of the same part.

LIKELY CAUSE

  • Pigment selected against nominal resin temperature, not the heat the melt actually sees
  • Long residence time in large-shot or thick-wall molding, adding heat the process sheet never shows
  • Solvent dyes subliming or decomposing below the temperature the resin tolerates

WHAT WE DO

  • Select the pigment system against your real heat history, not a data-sheet number
  • Mold test plaques across the temperature range you give us, so the shade is approved against your conditions — not a single lab setting
  • Move to heat-stable pigment systems where the temperature demands it, and tell you what it costs in transparency or chroma
02

Migration, blooming or fading

Color moving to the surface, chalking, or fading after heat, sunlight, weathering or boiling-water testing.

LIKELY CAUSE

  • A colorant the polymer system cannot hold — wrong carrier family, or chemistry the resin will not retain
  • Dyes chosen for tinting strength at the cost of heat and light fastness
  • An exposure profile beyond the limit of the pigment system

WHAT WE DO

  • Match carrier and pigment chemistry to the resin before any shade work begins
  • Select for the fastness the part needs from the start — UV, weathering, boiling water, service temperature
  • Say plainly when a target color cannot reach that fastness in that resin, and show you what is achievable
03

Cracking or lost performance after coloring

Brittle cracks, low-temperature failures, or reduced impact strength that appear only once color is added.

LIKELY CAUSE

  • Pigment physical properties mismatched to the resin, concentrating stress in the molded part
  • A filler the resin cannot tolerate — calcium carbonate in POM, PA or ABS being the common cases
  • Pigment loading raised high enough that the resin fraction, and with it impact strength, drops

WHAT WE DO

  • Re-match pigment properties to the resin system and rebalance the formulation for lower molding stress
  • Build filler-free where the resin demands it
  • Show you the trade-off when opacity and impact strength pull in opposite directions, so the decision stays yours
04

Weak, grey or dull color in a modified compound

A shade that was right in neat resin reads flat or washed out in the production compound.

LIKELY CAUSE

  • Flame retardants used at high loading, carrying their own opacity — they dilute and dull the color
  • Fillers and reinforcements shifting the base color of the compound
  • Base resin haze — copolymer PP being the clearest example
  • Tougheners and functional additives competing with the color system

WHAT WE DO

  • Formulate against your actual compound, not neat resin
  • Build hiding power and fastness first, shade second — including raising pigment loading where the compound demands it, with the cost stated up front
  • Cover base-resin haze deliberately, rather than chasing it with more pigment
05

Dispersion defects: flow marks, specks, surface blemishes

Streaks, unmelted specks, dark spots, or a surface that will not come up to gloss.

LIKELY CAUSE

  • Carrier and base resin with mismatched melt flow — the masterbatch melts and moves at a different rate than the resin around it
  • A carrier from the wrong polymer family for the resin
  • Filler particles showing as specks on high-gloss surfaces
  • Degraded or contaminated material in the barrel or die, showing as streaks rather than an even shade
  • An inherent tendency of the resin — ABS being the known case

WHAT WE DO

  • Match carrier melt flow and polymer family to your resin
  • Control particle size and dispersant balance in the masterbatch
  • Keep fillers out of formulations destined for high-gloss surfaces
06

Sample-to-production inconsistency

An approved sample that will not repeat — between batches, between machines, or between components of the same assembly.

LIKELY CAUSE

  • Gate size and wall thickness differing across parts, so identical masterbatch molds at different real temperatures
  • Let-down ratio and metering accuracy at the machine
  • Process settings drifting from the conditions the color was approved under

WHAT WE DO

  • Formulate so the color holds across every component of the assembly — not just on a flat test plaque
  • Raise opacity where thin sections would otherwise read lighter, and show you the trade-off, since more pigment means less resin and lower impact strength
  • Record the approved standard together with the conditions it was approved under, and control production against both
This is the short list. The rest is a conversation about your part.CLICK ANY ROW TO OPEN

MATERIAL CONSTRAINTS

What each resin family asks of the color system.

Select a resin family to see the requirements that shape the color system.

SELECT RESIN01 / 06

PA / Nylon

ACTIVE MATERIAL SYSTEM

Moisture, carrier compatibility and heat validation determine whether the color remains stable.

01

MOISTURE CONTROL

Conditioned moisture protects dimensional stability and toughness. Moisture-carrying fillers stay out.

02

RESIN-MATCHED CARRIER

The carrier must belong to the PA system. A PE-based masterbatch will not disperse properly.

03

APPLICATION VALIDATION

Boiling-water and high-temperature testing are often required before approval.

Glass-filled or modified PA grades can change how the approved shade reads in the finished part.

PRODUCT SYSTEMS

Color, effect and performance — in the combination your part needs.

Developed against an approved target and the real application conditions. Pantone, RAL and customer standards can all guide the match.

Green, black and beige molded color swatches01

FOUNDATION COLOR

Black, white & custom color

Formulated for dispersion, hiding power, heat stability and the performance of the selected resin system.

BLACKWHITEPANTONERALCUSTOM STANDARDS
Gold masterbatch pellets beside a molded metallic-effect sample plaque02

COLOR & EFFECT

Distinctive visual effects

Effect systems developed with close attention to the details that shape the final appearance — dispersion, pigment orientation, flow behavior and surface finish.

FLUORESCENTPEARLESCENTMETALLIC
Modified compound and flame-retardant-compatible masterbatch samples03

PERFORMANCE COMPATIBILITY

For modified compounds

Color balanced to work alongside functional systems that would otherwise weaken, shift or dull it.

FLAME-RETARDANT COMPATIBLETOUGHENINGANTIOXIDANT
Beige molded test plaque and matching masterbatch pellets04

EXPOSURE RESISTANCE

For light, weather and service conditions

Pigment and additive systems selected around the exposure profile and the limits of the base polymer.

UV RESISTANCEWEATHERABILITYANTISTATIC

DEVELOPMENT LOOP

From technical brief to production-ready color.

Typical color sampling is completed in 2–3 days once the resin, target and application requirements are clear. Validation scope is agreed for each project.

01DEFINE

Material & end use

Resin grade, modifiers, process, exposure and failure mode.

02FORMULATE

Color system

Pigment, carrier and additive system selected for compatibility.

03VALIDATE

Sample & test

Color measurement, molding observation and the agreed checks.

04CONTROL

Scale & trace

Three-stage QC, batch report and full traceability.

BRING US THE PART, THE RESIN AND THE FAILURE

Tell us what the part has to survive.

Send your Pantone or RAL code, or a physical sample. We'll start with a free sample development and a direct technical discussion.

Email Bill Bian ↗See how we solved five real parts →