From requirement to mass production, a seven-step closed loop
With nearly 30 years in the plastics industry, Colour Plastic has been honored as one of China Plastics City's Top Ten Modified Plastics Enterprises, a Contract-Honoring & Credit-Keeping enterprise, and a Zhejiang Science and Technology SME.
- 01
Needs communication Brief
Understanding part structure, molding process, performance specifications and regulatory requirements
Deliverables: requirements confirmation form - 02
Material selection Selection
Recommends substrate and modification direction based on the formulation database
Deliverables: material selection proposal - 03
Formulation development Formulation
Laboratory trials to determine formulation and process window
Deliverables: trial formulation record - 04
Sample validation Sampling
Providing samples for customer on-machine validation
Deliverables: samples + test data - 05
Small-batch trial production Pilot run
Pilot scale-up on production lines to verify batch consistency
Deliverables: trial production report - 06
Mass production delivery Production
Mass production, full outgoing inspection, on-time delivery
Deliverables: COA + batch traceability - 07
After-sales follow-up After-sales
Usage follow-up visits with continuous formulation optimization
Deliverables: technical service record
Manufacturing and delivery in action
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Coperion twin-screw extruders .jpg)
Extrusion pelletizing line: cooling water bath and pelletizer .jpg)
Automatic metered packaging line 
Central vacuum system for equipment
Testing capabilities and quality assurance
ISO9001 & ISO13485 certified | IATF16949 & ISO14001 in progress
Color and appearance
Color difference meter, gloss meter, light booth (D65 / TL84 / CWF / UV multi-light sources)
Physical and chemical properties
Melt flow rate tester, densitometer, moisture analyzer
Mechanical properties
Universal testing machine (tensile / flexural), Izod and Charpy impact testers
Thermal properties
Heat deflection/Vicat softening point tester, differential scanning calorimeter (DSC)
Aging and weatherability
Xenon and UV weathering chambers, constant temperature and humidity chambers
Environmental compliance
RoHS testing (in-house or third-party), RoHS / REACH declarations of conformity available
System certifications
ISO9001 & ISO13485 certified; IATF16949 & ISO14001 in progress
IQC · IPQC · OQC
Incoming, in-process and outgoing inspection across the entire process, with documented evidence at every step
COA for every batch
Factory inspection report for every batch, archived item by item, supporting customer audits and full traceability
Response and inspection
Quality issues responded to within 24 hours; on-site inspection supported
Testing photos
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Computer color matching: spectrophotometer + color matching software .jpg)
Pendulum impact tester (Izod/Charpy) .jpg)
Standard light booth color comparison (D65/TL84/CWF/UV)

Computer-controlled electronic universal testing machine (tensile/flexural) 
Melt flow rate tester MFR/MVR 
Heat deflection/Vicat softening point tester