Zonolite High Temperature Insulating Cement (W. R. Grace)

Documents in our library describe Zonolite High Temperature Insulating Cement (W. R. Grace) as “also marketed as hi temp insulating cement, zonolite hi-temperature cement and zonolite high temperature insulating cement”.¹ They give it as made 1938–1970.¹ They put its asbestos content at 15% to 19%.¹

Pictures

How Zonolite High Temperature Insulating Cement (W. R. Grace) looked: a label, photograph or catalog page from our library. Each picture has its own page and library number, so it can be cited on its own.

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What each document says

Every statement about Zonolite High Temperature Insulating Cement (W. R. Grace) in the documents, in each document's own words.

Asbestos; Publication of Identifying Information (1990)

• Made from: “produced approximately 1938 to 1970”, said by W. R. Grace & Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 20¹
• Use: “a cementitious insulation and fireproofing for high temperature applications ... marketed primarily for industrial applications”, said by W. R. Grace & Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 20¹
• Fiber grade: “7D or 6D-20 chrysotile asbestos”, said by W. R. Grace & Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 20¹
• Asbestos content: “approximately 15 to 19% 7D or 6D-20 chrysotile asbestos by weight”, said by W. R. Grace & Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 20¹
• Description: “also marketed as Hi Temp Insulating Cement, Zonolite Hi-Temperature Cement and Zonolite High Temperature Insulating Cement”, said by W. R. Grace & Company, as recorded by U.S. EPA, Federal Register 55 FR (Feb. 13, 1990), p. 20¹

Kind of product

We list Zonolite High Temperature Insulating Cement (W. R. Grace) with insulating cement and coatings, from how the documents describe it. That page explains how such products exposed workers.

Trades that worked with products like it: Insulators and Insulation Workers, Boilermakers.

Insulating cement and coatings by other makers (324)

Thermobestos · Superex (Johns-Manville) · Asbestile (Johns-Manville) · 85 Magnesia (Johns-Manville) · Prasco (Fibreboard) · Weather Mastic (HT) (National Cork) · Weather-Sure 301 (Insul-Coustic) · Weathercoat (American Bitumuls) · Weatherized Plastic (Celotex) · Weatherkote (Combustion Engineering) · Weber's 48 (Forty-Eight Insulations) · Weberseal (Forty-Eight Insulations) · 0352 Cement (Johns-Manville) · 10 (Unarco) · 100 (Philip Carey) · 106 (Eagle-Picher) · 110 (Owens-Corning) · 115 (GAF) · 115 Insulating Cement (Ruberoid) · 127 (Fibreboard) · and 304 more: all insulating cement and coatings

See also

• W. R. Grace (Zonolite): the company's documents, people, products and plants
• W. R. Grace (Zonolite) on our products page: what the documents say about the company's asbestos products, with sources

References

1. Asbestos; Publication of Identifying Information (February 13, 1990), p. 20.