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# Details 1 Delivery 2 After-sales service or availability of spare parts 3 Previous good experience of the product 4 Proximity of supplier 5 Security of supply 6 General reputation of supplier 7 The volume of other goods purchased from the same supplier 8 Good personal relationship with salesman and technical staff of the supplier…
Pigment testing as per IS 33 Solvent testing as per IS 82 Evaluation of paints and pigments Testing plastic and rubber components Salt spray resistance Humidity resistance Accelerated QUV weatherometer test Bend test Impact resistance test Water analysis Acid / alkali / fertilizer / water resistance tests Cross hatch test Glossmeter reading in 20 deg,…
For finishes made with Polyester epoxy powder coat on nano-treated mild steel components. All tests are conducted on panels as recommended in ASTM standards. # Tests Parameters Test Methods Colour L*a*b readings of less than 0.3 under cool white light to RAL Shades Ref. RAL Shade cards Gloss 60 +/- 10 at 60o at…
Degreasing bath control parameters S. No. Details Parameters Bath concentration for immersion 5% Bath temperature 30 deg. C min. 60 deg. C max. Immersion time 5 minutes to 10 minutes Free alkali, points 20 to 35 Total alkali / Free alkali ratio < 3.0 Testing and Control: Warning: Do not…
Alkaline Degreasing Powder (ADP) provides degreasing and cleaning of mild steel sheet metal components from 40 deg. C to 70 deg. C for powerful cleaning and at room temperature for normal cleaning. It can be diluted to 3% to 6% by weight by volume concentration in industrial water based on the condition of the components….
Acrylic Emulsion Guidelines – List of Raw Materials S.No. Raw Materials Popular Brand Names Vinyl acetate co-polymer inter platicised emulsion-55% solids Usage: Acrylic distemper, interior primer and acrylic wall putty Visicryl 6155 Min. pack: 220 kg Vam Veova co-polymer, 55% solids Usage: Interior, exterior emulsion and exterior primer Visicryl 4056 Min. pack. 220…
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The tested panels should be washed with gentle spray without disturbing the colonial growth of microorganisms. The follow video demonstrates how to clean the tested panel before taking up for microscopic examinations.
Do we need phosphating after sand blasting followed by powder top coat on hot rolled steel components? No. It is not necessary if the salt spray resistance required is less than 550 hours. The purpose of sand blasting is to improve the surface profile of the component with a surface free from rust and heavy…
A technical write up on ethyl acetate Introduction Government regulations and social concerns about environmental preservation and depletion of resource have made the solvents industry facing a major push towards green innovation. Solvents are integral components in a vast number of chemical processes and products, and are used in a wide variety of industrial applications…
