Samples

Anything here?

Shame on you. You should recommend that he searches here.

Without knowing where you are, it's hard to say.

I'd go to the local rubber (plastics) supply house and ask them for help.

The hook will be how much they think they will be able sell you in the future.

Any market studies? Any sales forecasts. Business plan?

Any major rubber supplier can be found on the net.

Here's two links I found in less than 30 seconds,#1Link, 484,000results (0.21 seconds) Suppliers of and #2 Link, 545,000 results(0.36 seconds), information about styrene butadiene rubber. I think you"ll find people don't like doing remedial searches and home work for other people.