sodium silicate
Worth a lookShows low returns (0.5%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Growth
Incredible+189.9%90-day search growth — must beat 0% to launch
Avg price
Incredible$27.33avg listing price — sweet spot $15–$100
Review moat
Great183.77avg incumbent reviews — the moat a new listing must climb
Price range
Great$12.94–$52.25cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$282K$282K/yr · 260K searches
Conversion
Okay4.0%search→purchase rate — share of searches ending in a sale
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Competition
Bad72%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, sodium silicate is a $282K/yr Amazon United States market (260K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 64/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
sodium silicate market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $219K–$273K
- units × avg price
- Conversion rate
- 4.0%
- Avg BSR
- #216
- Page quality
- 0%
- Prime
- 62%
- Sponsored
- 62%
- Out of stock
- 3.2%
- Avg brand age
- 71 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
11 falling
Sellers
15
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
13%
- FIRE ROSE34%
- SOLIDLAND17%
- Lynn Manufacturing14%
- Foundation Armor10%
- Environmolds LLC7%
- RUTLAND PRODUCTS5%
- Open — no brand owns it (5 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 95 weeks — +189.9% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 9.0×
Top sodium silicate search terms
- sodium silicate176K/yr
- sodium silicate water glass29K/yr
- sodium silicate liquid11K/yr
- sodium silicate solution12K/yr
- water glass sodium silicate7K/yr
- sodium silicate concrete sealer5K/yr
- waterglass sodium silicate6K/yr
- sodium silicate for concrete3K/yr
- silicato de sodio3K/yr
- silicato de sodio liquido3K/yr
Top sodium silicate products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Sodium Silicate 40% - Water Glass (1 Gallon)
FIRE ROSE$19.814.5★201 rev

SOLIDLAND Sodium Silicate Solution (Water Glass) - 1 GAL Pail Industrial Grade High Purity Multi-Purpose Adhesive & Sealant
SOLIDLAND$39.984.3★40 rev

S2000 Ready-to-Use Sodium Silicate Concrete Sealer Densifier and Surface Hardener 16 OZ Sample
Foundation Armor$19.924.2★83 rev

High Temperature Adhesive 2000F Rated Sodium Silicate Water Glass 40% Solution 4oz Bottle 5602 Clear
Lynn Manufacturing$19.064.4★617 rev

Seelfast Cement and Concrete Sealer - 1 Gallon 100% Sodium Silicate/Water Glass - Versatile Sealer for Floors Basements | Water-Repellent Finish | Multi-Use Adhesive | Non-Toxic | Made in USA
Environmolds LLC$40.344.5★7 rev
Newest
by launch date
Sethard S100 Concrete Densifier & Hardener Ready-to-Use Water-Based Sodium Silicate Surface Treatment for Dust Proofing and Curing Aid on New and Existing Concrete Floors
DCP$52.2512 rev

Sodium Silicate for Pottery Deflocculant Liquid Glass Liquid Sodium Silicate Waterglass Silica Water Sodium Silicate Water Glass High Temperature Sealant.
JDGOTD$22.810 rev

SOLIDLAND Sodium Silicate Solution (Water Glass) - 5 FL.OZ Bottle Industrial Grade High Purity Multi-Purpose Adhesive & Sealant
SOLIDLAND$13.0640 rev

SOLIDLAND Sodium Silicate Solution (Water Glass) - 1 GAL Pail Industrial Grade High Purity Multi-Purpose Adhesive & Sealant
SOLIDLAND$39.9840 rev

High Temperature Adhesive 2000F Rated Sodium Silicate Water Glass 40% Solution 32oz Bottle 5603
Lynn Manufacturing$36.38617 rev
Trending
90-day click momentum
SOLIDLAND Sodium Silicate Solution (Water Glass) - 5 FL.OZ Bottle Industrial Grade High Purity Multi-Purpose Adhesive & Sealant
SOLIDLAND$13.064.3★

Sethard S100 Concrete Densifier & Hardener Ready-to-Use Water-Based Sodium Silicate Surface Treatment for Dust Proofing and Curing Aid on New and Existing Concrete Floors
DCP$52.254.7★

Sodium Silicate for Pottery Deflocculant Liquid Glass Liquid Sodium Silicate Waterglass Silica Water Sodium Silicate Water Glass High Temperature Sealant.
JDGOTD$22.810.0★

SOLIDLAND Sodium Silicate Solution (Water Glass) - 1 GAL Pail Industrial Grade High Purity Multi-Purpose Adhesive & Sealant
SOLIDLAND$39.984.3★

S2000 Ready-to-Use Sodium Silicate Concrete Sealer Densifier and Surface Hardener 16 OZ Sample
Foundation Armor$19.924.2★
What buyers say about sodium silicate
What buyers praise and complain about, mined from review topics.What buyers love
“Great for lab scale work”
“Great Product”
“as indicated”
“Highly recommended, great value for the money”
“The sealing capabilities”
“Very good adhesive AND waterproofing”
“And it's still glowing in the fire”
“And I followed instructions”
“Easy to apply, fast dry”
“I am impressed by this - they didn't skimp on safety”
What buyers complain about
“Did not work”
“I think the price was a bit high”
“it plugged both systems costing me 11,000 dollars to repair”
“While there were no instructions on the bottle”
“Junk and a lot of clean up”
“Foams and gives way to high heat as on a stove”
Top return reasons
Common questions
- Is sodium silicate profitable to sell on Amazon United States?
- The niche generates $282K/yr across 13 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is +189.9%. Flapen's verdict: Worth a look (64/100).
- How competitive is the sodium silicate niche?
- 11 brands and 15 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in sodium silicate?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Maintenance And Repair. The return rate is 0.5%.
- When does demand for sodium silicate peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 9.0× the quietest.
- What does it cost to enter the sodium silicate niche?
- Listings span $12.94–$52.25; the average listing price is $27.33 (sweet spot $15–$100). The average incumbent carries 184 reviews — the moat a new listing must climb.