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MATERIAL SOLUTIONS & 6-STEP SERVICE

Compounding, precision coloring, large-scale recycled HDPE (1,000 t/mo), and on-site technical injection trial support

5 CORE MATERIAL SERVICES & INDUSTRIAL SOLUTIONS

Tailored to industrial production needs: resin selection, custom modification, volume supply, and technical datasheets

Compounding & Modification

Twin-screw compounding blending base resins with flame retardants, glass fibers (+GF), impact modifiers, and antioxidants for PP+GF, PA66+GF, FR PC/ABS.

Precision Color Matching

Spectrophotometer-assisted formulation matching Pantone, RAL, or customer physical targets with Delta E ≤ 0.3. High weatherability and lot-to-lot color consistency.

Eco Recycled HDPE Volume Supply

Core competency: long-term supplier of recycled HDPE to Wanek Furniture (Ashley) with up to 1,000 metric tons/month capacity. High purity, filtered, and RoHS compliant.

Standard Engineering & Virgin Resins

Wide range of PP, PE (HDPE), ABS, HIPS, PC, PA6, PA66 virgin and engineering grades for injection molding, extrusion, and blow molding.

On-Site Trial & Technical Support (24/7)

Technical engineers with 15+ years experience provide trial mold samples, cycle time optimization, warpage troubleshooting, and 24/7 support.

Quality Dossiers (TDS / COA / RoHS / REACH)

Operating under ISO 9001:2008. Every batch accompanied by COA, technical TDS, MSDS/SDS, RoHS, and REACH compliance certifications.

VALUE PROPOSITION

What Practical Challenges Does HuaYing Solve for Manufacturers?

💰

Raw Material Cost Saving

Optimizing virgin and high-grade recycled blends to cut resin costs 15-25% without compromising mechanical specs.

🛠️

Eliminate Molding Defects

Resolving warpage, sink marks, color deviation, brittleness, and weld lines by adjusting MFR, impact modifier, and moisture.

🌱

Eco & ESG Compliance

Backed by supplying 1,000 t/mo recycled HDPE to Wanek, helping export clients adopt green resins seamlessly.

⚡

Fast Sampling & Lead Time

Dedicated R&D extruders provide 5kg-25kg trial samples quickly, with engineers following up directly on trial runs.

6-STEP COOPERATION & SAMPLING WORKFLOW

From initial requirement intake to mass delivery, an airtight loop ensuring specification compliance

STEP 01

Requirement Intake

Intake of product drawing, mechanical targets, thermal & regulatory criteria.

STEP 02

Resin Consultation

Recommend optimal resin grade, compounding formulation, and cost options.

STEP 03

Sample & TDS Pack

Dispatch 5kg-25kg trial resin with full TDS, COA, and RoHS test reports.

STEP 04

On-site Mold Trial

HuaYing technicians assist at customer molding shop to evaluate test parts.

STEP 05

Spec Freeze & Quote

Freeze technical criteria, inspection protocol, packaging, and commercial quote.

STEP 06

Mass Supply & Care

Scheduled mass compounding from 3 plants, batch COA, and 24/7 technical care.

8-STEP COMPOUNDING MANUFACTURING PROCESS

Airtight manufacturing loop: IQC raw resin inspection, automated metering, twin-screw compounding to automated bagging

📦 STAGE 01

Raw Material Intake

Base resins (PP/PE/ABS/PC/PA66), flame retardants, antioxidants, and glass fibers incoming batch registration.

🔬 STAGE 02

Incoming Quality (IQC)

Lab testing of MFI, moisture content, density, and EDXRF X-ray screening for RoHS heavy metal compliance.

⚖️ STAGE 03

Gravimetric Batching

Multi-feeder gravimetric continuous loss-in-weight dosing (<0.2% error) with high-speed homogenization blending.

⚙️ STAGE 04

Extrusion & Filtration

Co-rotating high-torque twin-screw extrusion with dual-piston continuous hydraulic melt screen filtration.

✂️ STAGE 05

Pelletizing System

Temperature-controlled water cooling bath with high-speed rotary pelletizer ensuring 2.5-3.0mm uniform cylindrical granules.

🌀 STAGE 06

Centrifugal Dewatering

Vertical centrifugal dewatering combined with fluidized drying, reducing surface moisture under 0.15%.

🏷️ STAGE 07

Screening & Packaging

Double-deck vibratory screening removing fines and agglomerates, automated 25kg moisture-barrier valve bagging or 1,000kg jumbo sacks.

📋 STAGE 08

Outgoing QC & Storage

Every production batch tested for tensile, impact, and color (Delta E <= 0.3) with COA certificate, shrink-wrapped and archived for 2 years.

8 KEY QC TESTING INSTRUMENTS IN LABORATORY

Fully equipped to ASTM & ISO standards for mechanical, thermal, colorimetric, and EDXRF RoHS compliance

ASTM D1238 / ISO 1133

Melt Flow Indexer (MFI/MFR)

Measures melt mass and volume flow rates (g/10min) ensuring stable injection mold fillability.

ASTM D638 / ISO 527

Universal Tensile Tester (UTM)

High-precision tensile strength, elongation at break, and flexural modulus mechanical verification.

ASTM D256 / ISO 180

Izod / Charpy Impact Tester

Evaluates notched impact energy absorption (kJ/m²) at ambient and freezing temperatures.

IEC 62321 / RoHS 2.0

EDXRF RoHS Spectrometer

Non-destructive rapid screening of Pb, Cd, Hg, Cr6+, Br for EU RoHS 2.0 & REACH compliance.

CIE Lab* / ΔE ≤ 0.3

Color Spectrophotometer (ΔE)

Dual-beam spectrophotometer matching Pantone/RAL coordinates with Delta E <= 0.3 consistency.

ASTM D792 / ASTM D2240

Density & Shore Hardness Tester

Precision Archimedes immersion density (g/cm³) and Shore D digital hardness measurement.

ISO 15512 (0.001% res)

Halogen Moisture Analyzer

Ring halogen heating testing residual moisture in hygroscopic PA66/PC to prevent silver streaks.

UL746B / In-house Trial

Aging Oven & Trial Injection

High-temp thermal aging oven paired with lab injection molding machines for molding standard ASTM test bars.

APPLICATION ALLOCATION

70% 3C Electronics & Appliances • 30% Automotive & EV

Our engineered resins are trusted by Foxconn, Samsung, Xiaomi, BOE, Konka, Tianneng Battery, Toyota Liming, and Wanek Furniture.

70%

3C Electronics & Appliances

PC/ABS, ABS, HIPS, PP

30%

Automotive & Battery Pack

PP+GF, PA+GF, PC+GF

Need a Custom Formulation or Requesting Free Trial Resin?

HuaYing technical specialists provide full support with complimentary 5kg-25kg trial samples.

Contact Engineering Team →