Quality Assurance

1) Our QA Policy

We document, test, and trace every lot we supply. Each shipment includes CoA and SDS, and we retain counter-samples for verification.

Quick facts (icons): CoA/SDS per lot · Retained samples 12–24 months · Documented specs & methods

2) What We Test

Acacia Gum

  • Identity & purity against JECFA/FCC/E414

  • Typical tests: Moisture, Ash, Insoluble matter, Viscosity (mPa·s), pH, Micro (TPC, Yeast/Mold)

  • Optional: Heavy metals (Pb, As), Pesticide screen

Activated Carbon

  • Performance: Iodine number, Methylene Blue value, Surface area (BET)

  • Physical: Mesh size, Bulk density, Moisture, Ash

  • Application: Phenol/iodine adsorption on request; drinking-water contact compliance (NSF/ANSI 61) via partner SKUs where applicable

Natural Waxes (Soy / Beeswax / Carnauba)

  • Physical: Melting point, Hardness/Penetration, Color/Appearance

  • Quality: Acid value, Saponification value, Peroxide value

  • Cosmetic suitability: Residual solvents, Allergens (if relevant)

Methods referenced: AOAC / ISO / ASTM (listed on CoA)

3) Specifications & Acceptance Criteria (examples)

Acacia Gum (typical)

  • Moisture ≤ 12%

  • Ash ≤ 4%

  • Viscosity (25 °C, 25% w/v): 60–100 mPa·s

  • Micro: TPC ≤ 10³ cfu/g; Yeast/Mold ≤ 10² cfu/g; Pathogens: not detected

Activated Carbon (coconut, 12×40 mesh)

  • Iodine number ≥ 1000 mg/g

  • Moisture ≤ 5% · Ash ≤ 8%

  • Mesh 12×40 (U.S. Sieve) ≥ 90%

Soy Wax (premium flakes)

  • Melting point 45–52 °C

  • Acid value ≤ 1.0 mg KOH/g

  • Peroxide value ≤ 10 meq/kg

(Replace with your actual ranges.)

4) Sampling & Release

  • Sampling plan: ANSI/ASQ Z1.4 (AQL) or defined lot subsampling (e.g., n≥3 per lot)

  • Release workflow: Supplier CoA → Incoming check → In-house verification (as needed) → QA release → Ship with CoA/SDS

  • Retained samples: 12–24 months, sealed and labeled (lot/date/spec)

5) Traceability & Documentation

  • Lot code format: TN-[ProductCode]-[YYYYMM]-[####]

  • Records: Supplier batch → TN lot → Test results → Shipment records

  • Change control: Any spec/method change is notified before next shipment

6) Supplier Qualification

  • Onboarding questionnaire and risk scoring

  • Annual supplier audits (remote/on-site)

  • Document pack: HACCP/ISO (as applicable), Halal/Kosher letters, compliance statements

7) Storage & Shelf Life (guidance)

  • Acacia Gum: cool, dry, sealed; typical 24–36 months (confirm per lot)

  • Activated Carbon: dry, closed; avoid cross-contamination; typical 36 months

  • Waxes: cool, away from sunlight; typical 24–36 months

  • Packaging integrity checks at receipt and pre-ship

8) Compliance & Safety

  • Food: FCC/JECFA/E414 conformity (Acacia); Japan Food Sanitation Act readiness

  • Chemicals: GHS/CLP-aligned SDS; REACH status (if EU)

  • Cosmetics: ISO 22716 alignment for handling/repack (when applicable)

9) Non-Conformance & CAPA

  • Reporting window: within 5 business days of receipt (recommended)

  • Process: Issue log → Root cause → CAPA → Preventive checks

  • Replacements/credits handled per supply agreement

10) QA Downloads

(Provide samples or gate with email.)

  • Sample CoA — Acacia Gum (Food/Pharma) [PDF]

  • Sample CoA — Activated Carbon (12×40 mesh) [PDF]

  • SDS — Acacia / Carbon / Waxes [PDF]

  • QA Policy & Testing Methods [PDF]

  • Allergen / GMO / Vegan / TSE-BSE Statements [PDF]

  • Halal / Kosher Letters (where available)

CTAs: Request Spec Sheets / CoA → /rfq · Ask QA → mailto:hello@tokyonaturals.com

11) Service Levels

  • CoA/SDS included with every shipment

  • Sample lead time: 2–5 business days (stock)

  • Response time: within 1 business day

  • On-time delivery KPI: target ≥ 98%

12) QA FAQ

  • Can you test additional parameters (e.g., pesticides, heavy metals)? Yes—on request.

  • Can you match a viscosity/iodine number? Provide targets; we’ll recommend grades.

  • Do you keep retained samples? Yes—12–24 months.

  • Will you sign NDAs? Yes.