Walplast Products Pvt. Ltd. Offers Scratch Resistant Polymeric Crack Filler. Walplast Products Pvt. Ltd. Is a 9001:2000 registered company. Scratch Resistant Polymeric Crack Filler is specially developed to fill cracks with a width of up to 4mm in plastered surfaces. Scratch Resistant Polymeric Crack Filler contains finest grades of sand, white cement, selected fillers and best quality polymers to give it unique properties. The material should be used only to fill shrinkage cracks and other small cracks in plaster. It should not be used to fill structural cracks & construction joints. It is available in the model name of Plasto Fill.