can this be used to make thermite?

If you're under 30, go to your local Marine recruiter's office and enlist as an 03xx (infrantry), graduate boot camp, then hope there's a real war while you're in. IF there is, you will very likely get lot's of experience with thermite and it's hotter sibling thermate. I know I and many other Marines did in Fallujah, Iraq during '04-'05 - The most fun city to be in during that time as a Marine. We used thermate often to render useless the countless weapons we obtained off of the enemy. Even if you don't get any combat experience, you'll get some practice with it but that's not as fun. Don't stare directly at the thermate, it's like staring into the sun.

Could you tell me if this is the same as red ochre?

Yes, most people would refer to red iron oxide as red ochre

Will this work on hydrangeas to turn blue?

Red iron oxide will not work. To turn hydrangeas blue you will need a soil acidifier (some people use iron sulfate, sulfur, aluminum sulfate, or others). The pH of your soil will have to be lower than 5.5 for them to turn blue.

Can this be used for oilskin ?

I used it to dye muslin and silk. It did not produce as intense a color as I had hoped.

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Red Iron Oxide - Fe2O3 - Natural - 5 Pounds

Red Iron Oxide - Fe2O3 - Natural - 5 Pounds

Product ID: 4137577

Details

Brand
Alpha
Item Volume
5 Liters
Item Weight
5.1 Pounds
Molecular weight
40
Package Information
Bag

🌿100% natural sourced iron oxide

🧪500 mesh ultra-fine 30 micron powder

🛡️Non-toxic, permanent colorfast pigment

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Description

🔥 Elevate your craft with nature’s most enduring red pigment! 🔥

ULTRA FINE PRECISION - 500 mesh particle size ensures smooth, consistent application for professional-grade results.
SAFE FRESH PACKAGING - Resealable, safety-sealed bag with tear-off tab keeps your product fresh and ready for every project.
DURABLE MAINTENANCE FREE - Permanent, non-fading red iron oxide that never flakes or requires reapplication—built to last decades.
NATURALLY DERIVED EXCELLENCE - Sourced from natural hematite, offering authentic, eco-friendly pigmentation with slight unique color variations.
VERSATILE INDUSTRIAL POWERHOUSE - Ideal for welding, ceramics, pigments, concrete staining, and more—bulk supply for all your creative and industrial needs.

Red Iron Oxide (Fe2O3) is a premium, naturally sourced hematite powder with a fine 500 mesh (30 micron) particle size. Perfect for industrial and creative uses like welding, pigments, ceramics, and concrete staining, it offers a non-toxic, permanent, and fade-resistant color. Packaged in a resealable bag for freshness, this 5-pound bulk supply is trusted by professionals seeking durability and eco-friendly quality.

Specifications

ASIN	B004OKDTX2
Best Sellers Rank	#33,567 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Inorganic Reagents
Brand	Alpha Chemicals
Brand Name	Alpha Chemicals
Container Type	Bag
Customer Reviews	4.6 out of 5 stars 739 Reviews
Item Form	Powder
Item Volume	5 Liters
Item Weight	5.1 Pounds
Manufacturer	Alpha Chemicals
Model Number	5RFe
Molecular Weight	40
Molecular weight	40
Package Information	Bag
Part Number	5RFe
UPC	725410978380
Unit Count	80 Ounce
Volume	5 Liters

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€ 103.00

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In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

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TrustScore 4.5 | 7,300+ reviews

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