Construction

Flux Paste

Toxic for Cats

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🐶

For Dogs

Toxic

🐱

For Cats

Toxic

View dog safety info →

Symptoms to Watch For

GI irritation, potential zinc toxicity

What You Need to Know

Soldering flux contains zinc chloride or other acidic compounds that cause GI irritation and chemical burns. Lead-free solder flux is less toxic but still not safe.

Source: ASPCA Animal Poison Control

If your cat ingested this, act fast

Call ASPCA Poison Control: (888) 426-4435 or your emergency vet immediately.

View full emergency guide →

Safe Alternatives Your Cat CAN Have

Flux Paste isn't safe, but these are vet-approved:

Frequently Asked Questions

Is flux paste safe for cats?

Flux Paste is considered TOXIC for cats. Soldering flux contains zinc chloride or other acidic compounds that cause GI irritation and chemical burns. Lead-free solder flux is less toxic but still not safe.

What are the symptoms if my cat eats flux paste?

Symptoms may include: GI irritation, potential zinc toxicity.

What should I do if my cat eats flux paste?

Contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 immediately. Do not induce vomiting unless instructed by a professional.