DPWH Standard Specification for Item 612 - Reflective Thermoplastic Stripping Materials (Solid Form) with Performance Requirements. Category: Department OrderSub Category: construction-materialsSeries: 2013No: 103File: DO_103_S2013.pdfDate: Tuesday, November 5, 2013Tags: Standard Standard Specification Item 612 Reflective Thermoplastic Stripping Materials 103 Read more about DPWH Standard Specification for Item 612 - Reflective Thermoplastic Stripping Materials (Solid Form) with Performance Requirements.