What is the ratio of lead? And what is the suggested melt temperature?

The old days back in 1960's was 60/40 tin/lead rosin core called for electronics. You new solder is liquid is 63/37 tin/lead. I had to look this up my self. I hope this helps you.

Where do i purchase smaller tips for this?

So an Amazon search on "Dispensing Needle 1 - Blunt Tip Luer Lock" https://smile.amazon.com/s?k=Dispensing+Needle+1+-+Blunt+Tip+Luer+Lock&crid=Z897DQLHIWFP&sprefix=dispensing+needle+1+-+blunt+tip+luer+lock%2Caps%2C113&ref=nb_sb_noss_2

Is this used like typical coiled electronics solder, but with more control of where it goes? Just touch with iron to heat?

Yes and no. This is really made for soldering surface mount soldering with either a heat gun or a soldering iron. I wouldn’t recommend it for through hole soldering. However its great for surface mount.

What is the inner diameter of the dispensing tip?

I don't know the tips exact size, but it is very small and only dispenses a very small amount of material when used.

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Chip Quik SMD291AX Solder Paste no clean 63Sn/37Pb in 5cc syringe 15g

Chip Quik SMD291AX Solder Paste no clean 63Sn/37Pb in 5cc syringe 15g

Product ID: 36353609

💉5cc syringe with plunger & tip for mess-free dispensing

🧪T3 particle size (25-45 microns) for precision application

⚙️88% metal content for superior conductivity

€ 33.61

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Description

💼 Elevate your solder game with precision and power — don’t get left behind!

NO CLEAN FORMULA - Skip the cleanup—ideal for fast-paced, professional workflows.
PRECISION IN EVERY DROP - T3 particle size ensures flawless solder joints with minimal mess.
ERGONOMIC SYRINGE DESIGN - 5cc syringe with plunger and tip offers controlled, accurate application every time.
HIGH METAL CONTENT POWER - 88% metal by weight delivers excellent electrical conductivity and durability.
TRUSTED INDUSTRY STANDARD - Chip Quik’s SMD291AX ranks top 63 in solder with a stellar 4.7-star rating from 741 pros.

Chip Quik SMD291AX is a no-clean solder paste featuring 63Sn/37Pb alloy with 88% metal content and T3 particle size (25-45 microns). Packaged in a 5cc syringe with plunger and tip, it ensures precise, mess-free application. Highly rated and trusted by professionals, it’s perfect for reliable, high-quality soldering in industrial and scientific settings.

Specifications

ASIN	B0186IM0P0
Best Sellers Rank	#29,804 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #63 in Solder
Customer Reviews	4.7 4.7 out of 5 stars (741)
Date First Available	March 16, 2010
Item Package Quantity	1
Item Weight	0.01 ounces
Item model number	SMD291AX
Manufacturer	Chip Quik®
Material	Metal
Package Dimensions	4 x 2.3 x 0.8 inches
Part Number	SMD291AX

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€ 33.61

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In stock

Sold byAmazon GreeceDelivered 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 Greece.

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TrustScore 4.5 | 7,300+ reviews

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