TECHNICAL SPECIFICATION Burhani Resin EP- 60F and Hardener EH – 408 General Information:EP – 60F is a DGEBA type of Epoxy resin, suitably formulated and processed to obtain void free encapsulation and castings. Hardener EH –408 is a Polyamide hardener. Generally, it is used for adhesive, castings, encapsulation & potting of electronic components. Properties of the resin EP - 60F: Property. Appearance. Method. Visual Specific gravity at 25° C. Flash Point Storage stability. Specification. Opaque, viscous liquid. ( Green/Black) °C when stored in original Containers atR.T Properties of the hardener EH – 408:Property. Type of compound. Appearance. Viscosity at 25° C By Brookfield. Amine Value Specific gravity at 25° C. Storage stability. Method. ----Visual RPC/STP/007. Dt.10/05/2018. RPC/STP/002. Dt.10/05/2018. RPC/STP/009. Dt.10/05/2018. when stored in original Containers atR.T Specification. Polyamide. Amber coloured viscous liquid. 110 General Patters Road. Chennai – 600002. India. +919677296252, bhftec

Mix ratio and Pot life: Property. Initial Mix Viscosity @ around 30°C. EP – 60F : EH – 408 100:25 Pot life at R.T Observed Value. Curing in thick layer. Tack free & Hard mass. Curing Schedule: Curing Temperature °C Curing Time Post Curing: 4 - 6 Hrs at 80°C if necessary. Typical properties of cured compound: Specimen Cured at 16 hours at RT and 4 hours at 80°C. S.No 1. 2. Property Flexural Strength Izod impact strength (un notched) Compressive strength Tensile strength Test speed: 5mm/min Hardness Heat Distortion Temperature.(Martens) Co-efficient of linear thermal expansion (CLTE) 30 - 60°C...

Chemical 25% H2 SO4 @RT (24hours) Weight change Dimensional change Visual appearance 5% NaOH @RT (24hours) Weight change Dimensional change Visual appearance Observed value. + 0.55 Nil No discoloration , no delamination and deformation is observed. + 0.24 Nil No discoloration , no delamination and deformation is observed. SAFETY PRECAUTIONS: Avoid direct contact of resin/ hardener with skin. Use of hand gloves during handling is recommended. Splashes on the skin, if any should be removed immediately with suitable remover. Note:- The information given here reflects our present experience in development...