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SP 115 Clear Epoxy Laminating System
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Catalog excerpts

SP 115 Clear Epoxy Laminating System - 1

SP 115 Clear Epoxy Laminating System n Excellent clarity n Good ultra-violet resistance n Rapid fibre wet-out Introduction SP 115 is a low viscosity, ultra-clear epoxy laminating system. It has been designed for the manufacture of laminates such as those used in sail and surfboards which are to remain unpainted, and where a very clear finish is required. In this way colourful embedded graphics and attractive fabric weave styles can be kept visible. The material also contains UV filters which give the product its characteristic transparent pale violet/blue colour. These filters both enhance the sharpness of graphics, and, when overcoated with a suitable UV-screening PU varnish, will reduce the tendency of clear laminates to yellow after prolonged exposure to sunlight. The product is particularly suitable for use with glass fibre reinforcements which use fibre sizings optimised for wet-out and laminate clarity, such as RE210D. SP 115 also exhibits a high degree of toughness and water resistance, enhancing the strength and damage tolerance of the thin laminates typically used in sail and surfboard manufacture. Being completely solvent and styrene-free, polystyrene foam blanks can be safely used to produce boards of the lightest possible weight. PDS-SP 115-7-0212 1

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SP 115 Clear Epoxy Laminating System - 2

Workshop Conditions lower temperatures the product thickens and may become unworkable. At higher temperatures working times will be significantly reduced. Low Relative Humidity (<70%) and dry reinforcements are essential, both for creating high clarity laminates to clearly display graphics, and for the development Surface Preparation Before using the product ensure that the surfaces to be laminated or coated are clean, dry and dust-free. Use only SP Fast Epoxy Solvent (SP Solvent A) for cleaning sanded laminates. Do not use solvents on polystyrene foam When laminating, aim to use the lowest...

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SP 115 Clear Epoxy Laminating System - 3

Properties Component Properties Resin Hardener Mix Ratio (by weight) 100 33.3 Mix Ratio (by volume) 100 40 Viscosity @ 15°C / 59°F (cP) 1869 231 Viscosity @ 20°C / 68°F (cP) 1166 173 Viscosity @ 25°C / 77°F (cP) 723 131 Viscosity @ 30°C / 86°F (cP) 451 98 12 24 pale violet 3 - - (g/cm3) 1.163 0.969 (lb/ft3) 72.60 60.49 (g/cm3) - 1.115 (lb/ft3) - 69.61 Xi, N C Shelf Life (months) Colour (Gardner) Mixed Colour (Gardner) Component Dens. Mixed Density Hazard Definition Working Properties vs. Temperature Resin / Hardener 15°C / 59°F 20°C / 68°F 25°C / 77°F 30°C / 86°F 1265 856 576 384 - 1:00...

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SP 115 Clear Epoxy Laminating System - 4

Properties (cont’d) Cured System Properties Units Tg DMTA (Peak Tan δ) Tg Ult - DMTA ΔH - DSC Tg1 - DMTA Est. HDT Mositure Absorption Cured Density Linear Shrinkage Cured (28 days @ 21°C / 70°F) Cured (24 hrs @ 21°C / 70°F + 16 hours @ 50°C / 122°F) °C 64.4 84.2 °F .9 147 183.6 °C .5 97 .5 97 °F 207 .5 207 .5 J/g 39 5 °C 54.4 74.2 °F 129.92 165.6 °C 49 69 °F 120.2 156.2 % 1.37 1.20 g/cm3 1.161 1.16 lb/ft3 72.48 72.41 % 1.6 1.6 30 37 MPa 70.3 75.9 Psi 10196 11008 GPa 3.67 3.70 Psi 532288 536639 % 1.9 4.7 MPa 398 444 Psi 57725 64396 % 2.1 2.0 MPa 49.9 60.2 Psi 7237 8731 % 76 77 Barcol...

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SP 115 Clear Epoxy Laminating System - 5

Properties (cont’d) Initial Mixed Viscosity Latest Time for Flow Under Vacuum† Earliest Vacuum Off Time† Theoretical Demould Time for Thin Laminates† Strain to Failure Castings Tensile Properties of Castings Notes: For an explanation of test methods used see ‘Formulated Products Technical Characteristics’. All figures quoted are indicative of the properties of the product concerned. Some batch to batch variation may occur. †All times are measured from when resin and hardener are first mixed together. PDS-SP 115-7-0212 5

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SP 115 Clear Epoxy Laminating System - 6

Properties (cont'd) Compressive Strength of RE300 Glass Laminate Interlaminar Shear Strength of RE300 Glass Laminate I After Water Exposure Glass Transition Temperature I Ultimate Peak TanS Notes: For an explanation of test methods used see 'Formulated Products Technical Characteristics' All figures quoted are indicative of the properties of the product concerned Some batch to batch variation may occur tAII times are measured from when resin and hardener are first mixed together

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SP 115 Clear Epoxy Laminating System - 7

Health and Safety The following points must be considered: 1. Skin contact must be avoided by wearing protective gloves. Gurit recommends the use of disposable nitrile gloves for most applications. The use of barrier creams is not recommended, but to preserve skin condition a moisturising cream should be used after washing. Applicable Risk & Safety Phrases Resin Hardener R 36/38, 43, 51/53 S 2, 23, 24/25, 29/56, 37/39, 46 R 20/21/22, 34, 43, 68, 52/53 S 1/2, 9, 26, 29/56, 36/37/39, 45 2. Overalls or other protective clothing should be worn when mixing, laminating or sanding. Contaminated...

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SP 115 Clear Epoxy Laminating System - 8

Transport & Storage The resin and hardener should be kept in securely closed containers during transport and storage. Any accidental spillage should be soaked up with sand, sawdust, cotton waste or any other absorbent material. The area should then be washed clean (see appropriate Safety Data Sheet). Adequate long term storage conditions for both materials will result in a shelf life of one year for the resin and two years for the hardener. Storage should be in a warm dry place out of direct sunlight and protected from frost. The temperature should be between 10°C (50°F) and 25°C (77°F)....

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