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Why School Basketball Courts Need GB 36246-2018

GB 36246-2018 is China's mandatory standard for school synthetic surfaces since 2019: 18 hazardous-substance limits that flooring must pass to enter school procurement.

Xinglong Middle School, Ningxia 5,500㎡ (2018) — ANK2F / GB 36246 passed

Xinglong Middle School, Ningxia 5,500㎡ (2018) — ANK2F / GB 36246 passed

Quick answer: GB 36246-2018 'Synthetic surface for school sports fields' is a mandatory Chinese national standard effective Nov 1, 2019. It sets 18 hazardous-substance limits, physical performance and installation requirements. Products without a GB 36246-2018 report cannot enter school procurement. Buyers must verify: a model-matching report, issue date (within 2 yrs recommended), and lab credentials (CNAS/CMA).

Standard Core Content

  1. 18 hazardous substances: formaldehyde, benzene, toluene+xylene, TVOC, PAHs, phthalates, soluble lead/cadmium/chromium/mercury, etc.
  2. Physical performance: shock absorption ≥35%, vertical deformation 0.6-3.0mm, slip BPN ≥47, fire class B+
  3. Odor grade: ≤3 (on a 5-grade scale)

Buyer Verification Checklist

ItemCheckRisk if missed
Report modelExact match to purchased modelFlagship cert misused for standard model
LabCNAS + CMA marksUnaccredited report has no legal force
DateWithin 2 yearsOlder reports may be invalid
18 substancesEach ≤ limitAny exceedance = overall fail

Real Case: Xinglong Middle School 5,500㎡

Order: confirm physical performance → verify GB 36246 report → check installation. See PP spec reading.

FAQ

Is GB 36246-2018 mandatory?

Yes — mandatory national standard (GB without /T), effective Nov 1, 2019, for school synthetic surfaces.

How long is a report valid?

No legal limit, but 2 years is the industry norm; older reports may be invalid due to formula/process changes.

CNAS vs CMA?

CMA is China's legal lab accreditation; CNAS adds international recognition. Compliant reports carry both.

We're a community court, do we need it?

Mandatory only for schools/kindergartens, but GB 36246-passed products are more eco-safe — a good plus for community buyers.

What are the 18 substances?

Formaldehyde, benzene, toluene+xylene, TVOC, phenol, PAHs, 6 phthalates, soluble lead/cadmium/chromium/mercury, 3-MCPD, etc.

Have a court project?

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