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: 51649555

Details

Brand
Alpha
Item form
Powder
Item volume
5 Litres
Item weight
5.1 Pounds
Package information
Bag

🌿100% natural source

📦5 lbs bulk supply

🧪500 mesh ultra-fine particles

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Rp1308608

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Description

🔥 Elevate your craft with nature’s finest iron oxide!

BULK READY FOR PROS - 5-pound bulk pack designed for serious projects and professionals
PURE NATURAL ORIGIN - Sourced naturally ensuring authentic color variations
PRECISION PARTICLE SIZE - Ultra-fine 30 micron particles for superior consistency
VERSATILE INDUSTRIAL USE - Ideal for thermite welding, pigments, ceramics & more
SECURE FRESHNESS PACKAGING - Resealable bag with tear-off tab for safety and convenience

Red Iron Oxide (Fe2O3) is a premium, naturally sourced pigment with ultra-fine 500 mesh particles (30 microns), perfect for industrial applications like thermite welding, ceramics, and fertilizers. Delivered in a secure, resealable 5-pound bulk pack, it offers professional-grade quality and versatility for your projects.

Specifications

ASIN	B004OKDTX2
Brand	Alpha Chemicals
Container Type	Bag
Customer Reviews	4.6 out of 5 stars 707 Reviews
Item Form	Powder
Item Weight	5.1 Pounds
Item form	Powder
Item volume	5 Litres
Item weight	5.1 Pounds
Manufacturer	Alpha Chemicals
Package information	Bag
UPC	725410978380
Volume	5 Litres

Reviews

K**R

Great, non-toxic, non-fading coloring

22.07.2025

J**C

Useful material

2.05.2018

B**E

More red than orange

23.05.2019

B**N

Pretty good stuff

10.03.2025

A**E

Great things to have

18.03.2019

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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