Image for 3M Glass Bubbles K25

3M™ Glass Bubbles K25

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Image for 3M Glass Bubbles K37

3M™ Glass Bubbles K37

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Image for 3M Glass Bubbles K15

3M™ Glass Bubbles K15

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Image for 3M Glass Bubbles K20

3M™ Glass Bubbles K20

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Image for 3M Glass Bubbles K1

3M™ Glass Bubbles K1

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0.32 g/cm³; 2,000 psi

3M™ Glass Bubbles S32

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