APRIL ECOLO FORM RELEASE OIL is a superior quality inherently biodegradable lubricant (20-60% in 28 days) made with pure virgin base oil, environmentally friendly zinc free additives and APRIL NANO 1™ lubricant technology for unsurpassed performance. Recommended for use in areas sensitive to environmental pollution, such as on or near water and aquifers, near water treatment plants, on farmland, in forests and endangered species’ habitats. Available in ISO 22.