40 ish" Panel Delivery seats info

Pyroxylin. As you had thought, it was more akin to a "waxed" cloth than a leatherette (aka vinyl).
I do not believe it is available.

Thanks Kube, here is what i found by researching Pyroxylin:

What Pyroxylin Fabric Was
Pyroxylin fabric = cotton or linen coated with cellulose nitrate (pyroxylin).
Used historically for:

Vintage luggage

Early automotive interiors

Bookbinding

Military gear

Early waterproof fabrics

It was valued for:

Water resistance

Glossy or leather‑like finish

Moldability

But it had one fatal flaw: cellulose nitrate is highly flammable.
 
Thanks Kube, here is what i found by researching Pyroxylin:

What Pyroxylin Fabric Was
Pyroxylin fabric = cotton or linen coated with cellulose nitrate (pyroxylin).
Used historically for:

Vintage luggage

Early automotive interiors

Bookbinding

Military gear

Early waterproof fabrics

It was valued for:

Water resistance

Glossy or leather‑like finish

Moldability

But it had one fatal flaw: cellulose nitrate is highly flammable.

That's very interesting. Thanks.

It was super "cheap" to the degree I am a tad surprised even Ford used it. I suppose then, like now, they know approximately how long the car would be owned by the first buyer and how long the car was likely to survive and built accordingly.
 
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