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pH Paper, Test Kits, Filter Paper, Chemicals, Lab Equipment — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Chemistry →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
ctlscientificsupply.org ↗	100 match 1 shared topics	pH Paper, Test Kits, Filter Paper, Chemicals, Lab Equipment	US~ en	chemistry	robotsllmsaihumans	emailphone	none
johnsonanalytica.com ↗	68 match 1 shared topics	The UK’s Leading Test Strip & Filter Paper Manufacturer \| Johnson Analytica	en	chemistry	robotsllmsaihumans	emailphone	none
cl2systems.co.uk ↗	68 match 1 shared topics	Chlorination Equipment Specialists \| Chemical Dosing Equipment \| CL2 Systems	GB en	chemistry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
3schemicalsllc.com ↗	67 match 1 shared topics	3S Chemicals	en	chemistry Shopify	robots llmsaihumans	emailphone	none
caterchem.com ↗	67 match 1 shared topics	Home - Cater Chemicals	en	chemistry WordPress	robotsllmsaihumans	emailphone	none
caterchemical.com ↗	67 match 1 shared topics	Home - Cater Chemicals	en	chemistry WordPress	robotsllmsaihumans	emailphone	none
a2schemicals.com ↗	67 match 1 shared topics	Home - A2S CHEMICALS	en	chemistry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
fbllab.com ↗	67 match 1 shared topics	Extraction lab equipment manufacturers suppliers in china	en	chemistry	robotsllmsaihumans	emailphone	none
cyanoprints.com ↗	67 match 1 shared topics	Cyanoprints.com – Cyanotype Kits, Chemicals & Supplies	en	chemistry Shopify	robots llmsaihumans	emailphone	none
hansburygroup.com ↗	67 match 1 shared topics	Hansbury Chemicals	en	chemistry Shopify	robots llmsaihumans	emailphone	none
anpros.com.au ↗	66 match 1 shared topics	Laboratory Equipments - Anpros	AU en	chemistry Shopify	robots llmsaihumans	emailphone	none
samanchemicals.com ↗	66 match 1 shared topics	Saman Chemicals	en	chemistry	robotsllmsaihumans	emailphone	none
discoveroakwoodchemical.com ↗	66 match 1 shared topics	Home \| Oakwood Chemical	en	chemistry WordPress WooCommerce	robots llmsaihumans	email phone	none
chemicalways.ae ↗	66 match 1 shared topics	..:: Chemical Ways ::..	AE en	chemistry	robotsllmsaihumans	emailphone	none
fatimachemicals.com ↗	66 match 1 shared topics	Fatima Chemicals	en	chemistry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
leaservices.co.uk ↗	66 match 1 shared topics	Manufacturer and supplier of Chemical Products and Wipes	GB en	chemistry	robotsllmsaihumans	email phone	none
cassengroup.com ↗	66 match 1 shared topics	CASSEN Testing Labs \| Chemical Testing Laboratory	en	chemistry Weebly	robotsllmsaihumans	emailphone	none
cassenlabs.com ↗	66 match 1 shared topics	CASSEN Testing Labs \| Chemical Testing Laboratory	en	chemistry Weebly	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.