Perlitic insulating board

Details Perlitic insulating board Perlitic insulating board

1973-11-26

1978-11-21

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Non-fiber additive

162145, 162175, 162181C, D21D 300

Patent

active

041265122

ABSTRACT:
A thermal insulating board product, comprising expanded perlite, fibers, and bituminous material, also includes a relatively small amount of starch binder.

REFERENCES:
patent: 3042578 (1962-07-01), Denning
patent: 3244632 (1966-04-01), Schulz et al.

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