500g Silver Gray Solder Paste for Surface Mount Applications - 25-45μm Particle Size with 6 Month Shelf Life

Price Negotiable

Price: Negotiation

MOQ: 1pcs

Delivery Time: 1-7Day

Brand: PY

Product Description

Product Overview

Professional surface mount solder paste with silver-gray appearance, specifically formulated for radio and electronic assembly applications. Available in 500g containers with 25-45μm particle size.

Key Specifications

Parameter	Value
Net Weight	500g
Particle Size	25-45μm
Shelf Life	6 months
Primary Composition	Sn, Pb, Ag (Lead Silver 0.4)
Color	Silver Gray

Product Features

Optimized for BGA welding and surface mount applications
Easy residue removal with hot air after soldering
Multiple flux types available: no-clean, rosin, and water-soluble
Wide range of alloy compositions to suit various requirements
Ideal for radio, communication equipment, meters, and instruments

Technical Specifications

Standard Alloy Composition (Sn63-Pb37)

Element	Composition (wt.%)
Sn (Tin)	62.8±0.5
Pb (Lead)	37±0.5
Sb (Antimony)	<0.20
Cu (Copper)	0.08
Bi (Bismuth)	<0.1
Zn (Zinc)	0.03
Fe (Iron)	<0.02
Al (Aluminum)	<0.005
Cd (Cadmium)	<0.002

Available Models & Properties

Model	Alloy Composition	Melting Point	Powder Size	Flux Content	Viscosity
PY-305	Sn96.5Ag3.0Cu0.5	217°C	15-25/20-38/25-45mm	11%-12.5%	190-210pa.s
PY-0307	Sn99Ag0.3Cu0.7	227°C	15-25/20-38/25-45mm	11%-12.5%	190-210pa.s
PY-4258	Sn42Bi58	138°C	20-38/25-45mm	9.0%-12.5%	160-210pa.s
PY-6435/1	Sn64Bi35Ag1	172°C	20-38/25-45mm	9.0%-12.5%	160-210pa.s
PY6337	Sn63Pb37	183°C	15-25/20-38/25-45mm	9.5%-10.5%	160-210pa.s
PY62.8/37/0.2	Sn63Pb37	180°C	15-25/20-38/25-45mm	9.5%-10.5%	160-210pa.s
PY62.8/36.8/0.4	Sn63Pb37	178°C	15-25/20-38/25-45mm	9.5%-10.5%	160-210pa.s