Technical Data Sheet of Dehydrated Castor

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Technical Data Sheet of Dehydrated Castor

DEHYDRATED CASTOR OIL DCO Specifications Value Density at 25 ºC g/cm 3 0,926 – 0,937 Viscosity at 25 ºC cp 150 – 250 Aci d value mg KOH/g ≤ 5 Technical Data Sheet Refractive index 25 ºC 1,4805 – 1,4825 Iodine value (Hanus) 125 – 140 November 2020 Vapour pressure Pa at 20 ºC 0,0000743 Gardner colour 4 – 6 Flash point ºC at 99,62 kPa ≤ 315 Fatty acids composition (%) Pour point ºC -34 Saponification value 180 – 195 Palmitic acid 1 – 3 Solubility in water mg/L 20 ºC <5,8 Stearic acid 1 – 3 Appearance at 20 ºC Clear liquid C18: 1 Oleic acid 2 – 8 Average molecular weight 875 C18: 2 Linoleic acid 52 – 56 CAS number 64147 - 40 -6 C18: 2 Conjugated Linoleic acid 30 – 33 EINECS number 264 -705-7 CN code 15.15.30.90 Description Legislation DCO is a UVCB substance with a complex DCO is a product that can be in contact with combination of glycerides (mono, di and tri) and food, in accordance with Regulation 10/2011 adducts of glycerides and fatty acids. with number MCA 712 and reference number 42960, it can use like additive. Function DCO is characterized by its high iodine index, It fulfils FDA Regulation nº 175.300 (coating), due to the existing conjugation, since a new 178.3570 (lubricant),181.26 (drying). double bond is formed, therefore is a very drying oil. Reach Register number 01-2119978245-28-0004 Properties DCO does not have Linolenic acid in their Application composition. For this reason, prevents the DCO can be used as drying oil for surface possibility of yellowing. coatings. Drying modifier oil for alkyl and epoxy resins. Drying oil of low viscosity. Reactive DCO can be considered as ideal drying oil, due diluents oil for: varnishes, fat enamel, and fat to its unique characteristics. inks that produce films very water resistant. For depilatory wax and cosmetics in general. DCO is used in the industry to improve Low viscosity oil miscible with mineral oils due processing and rapid ingredient dispersion to its low hydroxyl for lubricants. during mixing. Dosage DCO produces modified resins with a brighter, In long or medium modified drying alkyd resins more adherent, more flexible and more for air drying decorative paints between 45% - resistant finishing to external agents. 60% on the total weight of the resin. DCO produces a film that dries more quickly In short modified drying alkyd resins in oven than Linseed oil drying oil 20-40%, to apply on metals, on the total weight of the resin. DCO produces a film that dries faster, being more flexible than Wood (Tung) oil films. Packaging IBC of 950 kg and drums of 200 kg. Circunvalación, 27 www.traquisa.es Tfno: ++ 34 937 290 414/474/354 08210-Barbera del Valles [email protected] Fax: ++ 34 937 192 321 .

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AN-Iodine-Value.Pdf
MANTECH INC. 160 Southgate Drive, Unit 2 Guelph, Ontario, Canada N1G 4P5 P: (519) 763-4245 www.mantech-inc.com Iodine Value Introduction: Iodine value refers to the percentage of iodine absorbed by a substance such as a fat or oil 1. It is an indication of a fat’s potential to be oxidized as it measures the reaction of iodine with the double bonds of unsaturated fatty acids 2. Since fats with a greater number of double bonds provide more sites for oxidation, the iodine value of a fat helps predict fat stability 2. Normally, iodine is absorbed quite slowly but this method makes use of Wijs, which is a stable solution consisting of iodine monochloride (ICl) in acetic acid that reduces absorption time to approximately half an hour. The iodine monochloride halogenates the double bonds in the fat, and the residual ICl is reduced to free iodine in the presence of potassium iodide (KI) 3. The free iodine can then be titrated with sodium thiosulfate. The reaction is as follows: ICl + H2O → HIO + HCl residual iodine water hypoiodus hydrochloric monochloride acid acid - + HIO + I + H → H 2O + I 2 hypoiodus iodide water iodine acid 2- - 2- I2 + 2S 2O3 → 2I + S 4O6 iodine thiosulfate iodide tetrathionate This document will show that the PC-Titrate automated titration system is capable of accurately and precisely measuring the % Iodine in various fatty samples. Please contact your local Man-Tech sales representative to find out how this method can work for you. Conforms To: AOAC Official Method 993.2, AOCS Tg 1a-64, ASTM method D1959-97 Sample: Fats and Oils Concentration Range: Tested between 0.02 and 15% Apparatus: 1.
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