Rubber Grade Stearic Acid is a long-chain, saturated fatty acid commonly derived from natural sources such as animal fats, vegetable oils, and palm oils. Its chemical formula is C18H36O2, and it is also known as Octadecanoic Acid.
This fatty acid plays a significant role in various industries, particularly in the production of detergents, soaps, hair care products, cosmetics, and even candles. As a long-chain fatty acid with 18 carbon atoms and a carboxylic acid group (-COOH), Rubber Grade Stearic Acid is highly versatile.
In addition to its use in personal care products, Rubber Grade Stearic Acid is also instrumental in maintaining the shape and consistency of items like soaps, candles, oil pastels, and hard candies.
Rubber Grade Stearic Acid is 100% From Natural Tropical Vegetable Palm Oil origin and Kosher certified.
| Product | Rubber Grade Stearic Acid |
|---|---|
| INCI Name / Origin | Octadecanoic Acid / Vegetable Origin |
| H.S Code | 3823.11.0000 |
| CAS No. | 57-11-4 |
| Molecular Formula | C18H36O2 |
| EINESCS No. | 200-313-4 |
| Origin | Palm Oil, RBD Palm Stearin |
| Physical Appearance | White Beads / Granular Form |
| Rubber Grade Stearic Acid | |||
|---|---|---|---|
| Parameter | Method | Specification | Typical value |
| Acid value mgKOH/g | AOCS Te 1a-64 | 196.0 Min | 208.8 |
| Iodine Value % Max | AOCS Tg 1a-64 | 8.0 Max | 5.7 |
| Titer Deg °C | AOCS Tr 1a-64 | 50.0 Min | 53.3 |
| Colour Lovibond 5 1/4" | AOCS Cc 13e-92 | 2.0 R / 20 Y Max. | 0.1 R / 10 Y |
| Saponification Value mgKOH/g | AOCS Tl 1a-64 | 196.0 Min | 209.0 |
| Chain Distribution | |||
| C-12 Lauric Acid | 1.0 | ||
| C-14 Myristic Acid | ISO 5508 ISO 5509 |
2.0 | |
| C-16 Palmitic Acid | 65.0 | ||
| C-18 Stearic Acid | 32.0 | ||
| C-18’ Oleic Acid | 1.0 | ||
| Storage : Product stored in Beads form at temperature below 60°C is stable for min 2 years. | |||
Rubber Grade Stearic Acid is used in a variety of personal care and home care products including moisturizers, sunscreens, cosmetics makeup, soap, baby lotions, and laundry products.
Often referred to as Stearin, this palm oil-derived ingredient is used in creams and lotions as an emollient and thickener. In candles, it enhances the wax, making it harder, slower-burning, and opaquer. In soap, it improves hardness and texture.
End-use applications metallic stearates, fatty amines, alkyd resins, paper, plastics, coatings, paint, soaps, detergents, cosmetics, creams, lotions, polishing compounds, lubricants, surface coatings and candles, pharmaceuticals, and food packaging. It is also used as a softener, accelerator activator, and dispersing agent in rubbers.
Rubber Grade Stearic Acid is commonly used in cosmetics and personal care products such as soaps, lotions, creams, and makeup. As an emulsifying agent, thickener, and stabilizer, it helps maintain the texture and consistency of these products.
In candles, stearic acid is used to harden the wax, enhance burn time, reduce dripping, and improve overall quality.
Rubber Grade Stearic Acid is sometimes included in the production of pharmaceutical tablets and capsules as a lubricant to prevent sticking during manufacturing.
In the soap-making process, Rubber Grade Stearic Acid is used to produce hard, long-lasting soap bars.
Rubber Grade Stearic Acid acts as a softening agent in rubber production, aiding in the processing and molding of rubber products. It is also used as a processing aid and vulcanization activator.
Rubber Grade Stearic Acid is sometimes used as a mold release agent in the plastic industry.
As a surfactant and emulsifier, stearic acid helps stabilize oil-water mixtures in products like creams and lotions.
Rubber Grade Stearic Acid is used to strengthen yarn. When combined with castor oil, it is also used to make softeners for textile sizing.
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