how much of this would add to lead forbullet casting(Brinell hardness of 20)?

you have to add antimony, this would not get hard enough

How hard/durable is this alloy? I need to cast fine details in pendant, earring, and ring form.

Yes, it's plenty hard. You can get some fine detail from your cast but not quite as well as you will from silver. There is more weight in the material so it might be too heavy for earrings. Good luck. We put a layer of fingernail polish over the surface to protect and shine.

What is the hardness of this alloy?

3 Modern pewter contains tin copper and antimony. This source says the Moh's hardness is 3

is this pewter food safe?

Its a state by state law, You have to look up your state max allowed parts per million and compare that to the certs

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RotoMetals High Quality Pewter - Alloy R98 Pewter Casting Ingot (Tin 98%, Bismuth 1.5%, Copper .50%)

RotoMetals High Quality Pewter - Alloy R98 Pewter Casting Ingot (Tin 98%, Bismuth 1.5%, Copper .50%)

Product ID: 5273672

🔥Melts at 466-590°F for precise control

⚙️98% Tin purity for superior casting

🛡️Lead-free, safe for jewelry & collectibles

¥17535

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Description

⚙️ Cast brilliance, create legacy — the alloy pros trust!

SAFE LEAD FREE - Craft with confidence—ideal for jewelry, awards, and keepsakes without toxic risks.
VERSATILE CASTING - Works seamlessly with plaster, sand, and rubber molds for endless creative possibilities.
IDEAL SIZE WEIGHT - Approx. 1 lb ingot sized for easy handling and efficient melting sessions.
OPTIMAL MELTING RANGE - Melts between 466-590°F, giving you smooth, consistent pours every time.
PRECISION PERFECT ALLOY - 98% Tin with Bismuth & Copper blend minimizes shrinkage for flawless detail.

RotoMetals R98 Pewter Casting Ingot is a premium lead-free alloy composed of 98% tin, 1.5% bismuth, and 0.5% copper. Designed for precision casting, it melts between 466-590°F and minimizes shrinkage for detailed jewelry, collectibles, and decorative items. Each approx. 1-pound ingot is perfectly sized for versatile mold use, making it a top choice for professionals seeking flawless results.

Specifications

ASIN	B001QV3J46
Best Sellers Rank	#107,438 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #23 in Specialty Metal Raw Materials
Date First Available	January 27, 2009
Item Weight	1.1 pounds
Manufacturer	Roto Metals
Package Dimensions	4.41 x 3.23 x 0.79 inches

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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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¥17535

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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