SINFONE BUYER GUIDE: MASTERBATCH SAMPLE EVALUATION WORKSHEET
Published: October 11, 2026
Guide: https://sinfone.co/masterbatch-sample-evaluation/

Fill in confirmed information. Mark gaps "not yet confirmed."
This worksheet records a trial; it is not a processing instruction or approval.
Do not change operating conditions based on this form.

1. APPLICATION AND OBJECTIVE
Your role: processor / distributor / brand owner / sourcing representative
Finished product and intended application:
Base resin used in the finished product (grade, if known):
Masterbatch carrier request, if any (separate from base resin):
Processing method:
Relevant part or film dimensions:
Trial objective / question to answer:

2. REFERENCE AND AGREED ACCEPTANCE
Reference ID (color code and system / plaque / swatch / approved part):
Authoritative reference and who confirmed it:
Has the supplier actually received the reference? What was supplied?
Project acceptance requirements already agreed:
Specified evaluation / measurement method and conditions:
Who can approve the result?
Requested but not yet agreed requirements:

3. SAMPLE AND RUN IDENTITY
Supplier sample name or grade:
Masterbatch sample lot:
Base-resin lot:
Other materials in the trial, if relevant and known:
Trial date / run ID:
Finished-sample IDs:
Agreed trial recipe / operating procedure reference and version:
Control or current-production sample ID, if used:
What stayed the same between the trial and comparison?
What changed?

4. RESULTS
Observed appearance and where / when it was checked:
Actual specified measurement result, unit, method and conditions:
Agreed requirement used for comparison:
Photo filenames with sample IDs (reference / trial / overview / close-up):
Physical reference and finished samples available for review:
Checks completed:
Checks not completed and reason:
Information still missing:

5. REVIEW AND FOLLOW-UP
Current status: pending review / further information needed / approved by named reviewer
Reviewer and decision date, if a decision has been made:
Decision and evidence supporting it:
Question to the supplier / processor:
Agreed next step, responsible person and date:

Share only information you are authorized to disclose.
Keep observations, requests and confirmed approvals separate.
Product fit, processing guidance, samples, documentation and supply require
project-specific confirmation. Do not transfer a trial approval to another
application or production condition without review.

Contact: patrick.yang@sinfone.co
Website: https://sinfone.co/