3M™ Glass Bubbles S4630

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Manufactured to reduce occurrences of non-bubble contaminants

Lowers DK of resins proportional to amount added (Dk of glass bubble = 1.5)

D95 of < 40 microns with top size less than 56 microns

Frequently viewed resources

Tech Data Sheet (PDF, 103KB)Safety Data Sheet (PDF)

Net Weight (Imperial)

Net Weight (Metric)

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Details

Highlights

Manufactured to reduce occurrences of non-bubble contaminants
Lowers DK of resins proportional to amount added (Dk of glass bubble = 1.5)
D95 of < 40 microns with top size less than 56 microns
Reduces CTLE and weight of resins proportional to amount added
Improved moisture stability over conventional industrial grade glass bubbles

3M™ Glass Bubbles S4630 are a small low-density additive that improves electrical properties, CTLE, dimensional stability and weight of resins used in the manufacturing of copper clad laminates, electrical connectors and radomes predominately in the electronics market.

Typical properties

Details

Appearance (Unaided Eye)	White Powder
Composition	Soda-lime Borosilicate Glass
Crush Strength (Imperial)	16000 psi (90% Minimum Fractional Survival)
Crush Strength (Metric)	110.32 MPa (90% Minimum Fractional Survival)
Industries	Electronics
Net Weight (Imperial)	8.356 lb, 99 lb
Net Weight (Metric)	3.79 kg, 45 kg
Shape	Thin-walled Hollow Spheres
Typical Density	0.46 g/cc
Typical Median Particle Diameter	20 µm

Resources

3M™ Glass Bubbles, Types K and S

Safety Data Sheets

Document Number: MSDS_1048529_US_EN

(PDF)

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3M™ Glass Bubbles are intended for industrial applications and manufactured to industrial specifications in conformance with various recognized industrial quality standards. These products are not intended, designed, manufactured or labeled for sale to or use by consumers, or for medical device, food/food supplement/food additive, drug, or cosmetics applications. 3M Advanced Materials Division (3M) will assess the intended use of 3M™ Glass Bubbles and reserves the right not to sample, sell or supply if 3M determines that it is not in a position to support the intended use of 3M™ Glass Bubbles.
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