SC-4 Screen Cleaner is a specialty blend of esters used to clean screens. SC-4 has the added benefit of the powerful solvent in orange oil. This material will remove solder masks, legend inks and primary image inks. This product is free of glycol ethers (“butyls”) and chlorinated solvents. This product is classified as non-hazardous. SC-4 Screen Cleaner is distillable and fuel blend able. This product has a high flash point, excellent solvency and a low vapor pressure. Further; it is biodegradable.