casting sand
Worth a lookShows low returns (0.9%), but soft demand (-18.6% this quarter) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Incredible$43.60avg listing price — sweet spot $15–$100
Review moat
Great169.97avg incumbent reviews — the moat a new listing must climb
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good5.7%search→purchase rate — share of searches ending in a sale
Price range
Good$15.25–$157.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay$168K$168K/yr · 68K searches
Brand share
Bad91%top-5 brand share — brand-locked demand
Growth
Bad-18.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, casting sand is a $168K/yr Amazon United States market (68K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jan–Dec. Verdict: Worth a look — 55/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
casting sand market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $174K–$218K
- units × avg price
- Conversion rate
- 5.7%
- Avg BSR
- #480
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 88%
- Out of stock
- 8.6%
- Avg brand age
- 45 months
- Avg seller age
- 198 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
9 flat
Sellers
11
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
45%
Top 20: 87%
Open market
7%
- holama29%
- PMC Supplies LLC23%
- Teton Supply Co.22%
- BoldWay14%
- SZONEE3%
- Meltora3%
- Open — no brand owns it (3 brands, 7%)
Demand & seasonality
Weekly Amazon search volume, last 109 weeks — -18.6% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 2.0×
Top casting sand search terms
- casting sand37K/yr
- petrobond casting sand11K/yr
- petrobond6K/yr
- metal casting sand3K/yr
- casting sand for metal6K/yr
- green sand casting2K/yr
- petrobond sand2K/yr
Top casting sand 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Teton-Bond Petrobond Fine (130 Mesh) Foundry Metal Casting Sand for High Detail
Teton Supply Co.$38.184.6★719 rev

10 Lb Petrobond Casting Sand Ultra-Fine (190 Mesh) Delft Clay Alternaitve Molding Clay for Die Casting Replicating Pouring Highly Detailed Gold Silver Copper Pewter Brass Aluminum Brass Bronze Jewelry
PMC Supplies LLC$37.164.6★507 rev

Ultra-Fine 400 Mesh Oil-Free Casting Sand for Metal Jewelry Casting - Premium Foundry Sand for Highly Detailed Replicas in Silver Copper Bronze and More - Reusable Molding Clay (5 Pounds)
holama$28.154.2★101 rev

5Lbs Premium Ultra-Fine 400 Mesh Oil-Free Casting Sand for Metal Jewelry Crafting - Exceptional Foundry Sand for Detailed Replicas in Silver Copper Bronze and More - Reusable Molding Clay
holama$29.514.2★132 rev

7 lbs Premium Ultra-Fine 400 Mesh Oil-Free Casting Sand for Metal Jewelry Crafting - Exceptional Foundry Sand for Detailed Replicas in Silver Copper Bronze and More
holama$33.184.2★99 rev
Newest
by launch date
MELTORA 6.5 lb Oil-Bonded K-Bond Pre-Mixed Casting Sand Fine 400 Mesh Foundry Supply for Jewelry Crafting DIY Metal Molding Small Flask Pour Petrobond Alternative for Silver Aluminum Brass Bronze
Meltora$36.553 rev

Casting Sand Kit 5.5LB Foundry Sand with 0.22LB Clay Additive(5.5 Pounds)
SCILUX$27.399 rev

5.5 LB 400 Mesh Casting Sand for Metal Jewelry Making Casting Kit
Deexun$27.2815 rev

5.5 LB 400 Mesh Fine Casting Sand + 0.22 LB Viscosity-Enhancing Soil + 0.22 LB Release Sand | Molding Clay for Metal Jewelry Crafting | Metal Casting Kit for Detailed Replicas (Red Medium 5.5LB)
SZONEE$30.2325 rev

6.35*3.82*2.36 Split-Type cast Iron Sand Mold Frame with 6lbs Natural Casting Sand Ultra-Fine400Mesh for Casting (Such as Jewelry Metal Casting Tools Replication of Metal Crafts etc.)
BoldWay$51.985 rev
Trending
90-day click momentum
Casting Sand Kit 5.5LB Foundry Sand with 0.22LB Clay Additive(5.5 Pounds)
SCILUX$27.394.0★

MELTORA 6.5 lb Oil-Bonded K-Bond Pre-Mixed Casting Sand Fine 400 Mesh Foundry Supply for Jewelry Crafting DIY Metal Molding Small Flask Pour Petrobond Alternative for Silver Aluminum Brass Bronze
Meltora$36.552.7★

6.35*3.82*2.36 Split-Type cast Iron Sand Mold Frame with 6lbs Natural Casting Sand Ultra-Fine400Mesh for Casting (Such as Jewelry Metal Casting Tools Replication of Metal Crafts etc.)
BoldWay$51.985.0★

5.5 LB 400 Mesh Casting Sand for Metal Jewelry Making Casting Kit
Deexun$27.284.7★

Natural Casting Sand Ultra-Fine400Mesh - Reusable Molding Clay for Detailed Metal Jewelry Casting Suitable for replicas of metals such as gold silver copper and reusable molding clay (6 lb)
BoldWay$30.364.5★
What buyers say about casting sand
What buyers praise and complain about, mined from review topics.What buyers love
“Great product holds ups well”
“The materials feel high quality, and the sand can be reused, which is convenient and economical”
“I think its very affordable”
“As described”
“easy to use”
“Works Great”
“and durable- is plenty for home use in casting artwork, jewelry, etc”
“The fineness is silky smoothe”
“Reusable Casting Sand Kit with Good Detail Retention”
“Its easy to clean up and store”
What buyers complain about
“Just bad advertising”
“it is a sign of poor quality control”
“It's also not a great value”
“No instructions were included though”
“Comes DRY”
“when I poured in molten silver I just got a crude mess only approximating the shape”
“Followed the instructions to the letter and it failed to do what was promised. Failed miserably.”
“Didnt quite hold up for what I needed to do”
“It was not sticky at all”
“But building that clay bed is so tedious and time consuming to get level and smooth”
Top return reasons
Common questions
- Is casting sand profitable to sell on Amazon United States?
- The niche generates $168K/yr across 32 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -18.6%. Flapen's verdict: Worth a look (55/100).
- How competitive is the casting sand niche?
- 9 brands and 11 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in casting sand?
- Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Value For Money. The return rate is 0.9%.
- When does demand for casting sand peak?
- Demand peaks in Jan–Dec; the busiest month runs 2.0× the quietest.
- What does it cost to enter the casting sand niche?
- Listings span $15.25–$157.61; the average listing price is $43.60 (sweet spot $15–$100). The average incumbent carries 170 reviews — the moat a new listing must climb.