About our Company
Marine Development & Research Corporation (MDRŽ) was established in 1967 by Carl Spiegel to provide the marine and related industries with unique, quality products that would help boaters more easily maintain their boat.

Fuel Additives
Discussing the factors surrounding water and other contaminents in a fuel sytem

Pros and Cons of 10% Ethanol in Gas
If not already, you will soon be using 10% Ethanol as a replacement oxygenation additive for the discontinued MTBE (methyl tertiary-butyl ether) in gasoline.

TEAK CARE & PRESERVATION
Teak is a beautiful and unique wood used in the manufacture of furniture and boat building accents such as decks, handrails, ladders, trim, etc.

Waterbased Vinyl Paint Products
MDR has elected to change all of its paint products to WATERBASE from the old solvent base to be much more environmentally friendly.