Sodium Magnesium Fluorosilicate. LAPONITE® -XL 21 by BYK is a rheology additive based on synthetic phyllosilicate for aqueous systems. In water or aqueous solutions of alcohols, it swells to clear and colorless colloidal dispersions leading to the formation of a gel structure. Its unique thixotropic properties improve the skin feel of personal care products and creates a light & non-sticky texture.
- It enhances the stability of emulsions and prevents the settling of particles, pigments, and solid actives.
- It is compatible with solutions of upto 40% ethanol.
- It is free of VOC, biocides, preservatives, CMR, dimethyl fumarate, formaldehyde, formaldehyde releaser, PAH, phthalates, APEO and PFAS.
- It is recommended for use in sunscreen, depilatory creams, toothpastes, shower gels, shampoos, liquid makeup, eye makeup, creams and lotions.
- LAPONITE® -XL 21 is vegan certified and complies with REACH, EINECS, TSCA, IECSC, ENCS, NZIoC and ECSI.
- It has a shelf life of 48 months.
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LAPONITE® -XL 21 properties
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| Properties | Value & unit | Test condition | Test method |
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| Arsenic Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Clarity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density, Bulk | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Lead Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Sieve Passing | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Total Plate Count | 0.0 Visible After Login | Visible After Login | Visible After Login |
| pH | 0.0 Visible After Login | Visible After Login | Visible After Login |