Mars Plywood Industries Pvt. Ltd. Supplies Moisture Resistant Grade Blackboards. Mars Plywood Industries Pvt. Ltd. Is an ISO 9001:2000 and ISO 14001:2004 registered company. Mars Plywood Industries Pvt. Ltd. Is the manufacturer of moisture resistant grade plywood and phenol formaldehyde grade plywood. Moisture Resistant Grade Blackboards is a chemical seasoning under controlled temperature and pressure craft blackboards with the quality of dimensionally stable and safe against borers, cockroaches, wood destroying organisms etc. Moisture Resistant Grade Blackboards is used in cabinets, wardrobes, almirah etc. This blackboard can also be suitable for other decorative furnishings, partitions, paneling, shelves etc.