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3M™ Glass Bubbles for Transportation

3M™ Glass Bubbles for Transportation

These hollow glass microspheres offer a variety ofadvantages over conventional irregularly-shaped mineral fillers or glass fiber.

Improving fuel economy and the environment with 3M Glass Microspheres.

Read 3M™ Glass Bubbles Application Profiles

Learn more about 3M™ Glass Bubbles for Transportation

3M™ Glass Bubbles Strength/Density/Size Map

3M glass bubbles most commonly used in resin system applications (in table format)

3M™ Glass Microspheres are high-strength, low-density additives made from a water resistant and chemically-stable soda-lime-borosilicate glass. They are used in a variety of automotive applications, including thermoplastics, sheet and bulk molding composites (SMC/BMC), underbody coatings, structural foams and auto body fillers to reduce weight, improve dimensional stability, reduce overall material costs – and more.

Quick access to 3M™ Glass Bubbles Literature

General Information
Handling Information
Technical Information
3M™ Glass Bubbles with Functional Coatings – Experimental Product Application Information "New coatings provide improved physical properties for composites made by injection molding and extrusion processes" (PDF, 555 Kb)

3M™ Glass Bubbles Portfolio Table

 
 

Particle Size
(microns, by volume)

 

Distribution

3M
Product
 

Target Crush Strength
(90% survival, psi)
 

True
Density

(g/cc)

10th%
 
 

50th%
 
 

90th%
 
 

Effective
Top Size

(>=95%)

K37

3,000

0.37

20

45

80

85

S38

4,000

0.38

15

40

75

85

5,500

0.38

15

40

75

85

7,500

0.42

11

22

37

42

S60

10,000

0.60

15

30

55

65

16,500

0.46

12

20

30

40

18,000

0.60

11

30

50

60

28,000

0.60

9

16

25

29

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3M™ Glass Bubbles Technical Resource Center

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