Proxel® Spektra™ Preservative is a next-generation, broad-spectrum in-can preservative developed by LANXESS, designed to protect water-based formulations from bacterial and fungal contamination. It contains a dual active system: 1,2-Benzisothiazolin-3-one (BIT) and 2-Methyl-4-isothiazolin-3-one (MIT), offering enhanced protection, even under challenging conditions. Proxel® Spektra™ delivers rapid microbial control, extended protection, and high compatibility with modern formulation systems, making it ideal for paints, coatings, adhesives, and construction chemicals. Its low use-level and formaldehyde-free composition ensure regulatory compliance without compromising performance.
Dual Active Formula – Combines BIT and MIT for broad and fast-acting protection
Formaldehyde-Free – Safe for eco-sensitive and low-toxicity applications
Extended Shelf Life – Offers long-term microbial stability
Low Odor – Ideal for formulations requiring low sensory impact
High Compatibility – Works with thickeners, surfactants, and dispersing agents
Effective at Low Dosage – Delivers robust protection at minimal inclusion rates
Water-Based Paints & Coatings – Preserves latex, emulsion, and decorative paints
Adhesives & Sealants – Prevents microbial growth in PVA, acrylic, and polyurethane adhesives
Construction Chemicals – Used in mortars, concrete admixtures, and tile grouts
Polymer Dispersions – Suitable for PVAc, acrylic, and styrene-acrylic systems
Printing Inks – Maintains stability in aqueous inks and flexographic formulations
Industrial Cleaners – Provides protection in water-based cleaning agents
| Property | Details |
|---|---|
| Product Name | Proxel® Spektra™ Preservative |
| Manufacturer | LANXESS |
| Chemical Type | In-can preservative (BIT + MIT blend) |
| Active Ingredients | BIT (≈1.0%), MIT (≈0.2%) |
| Physical Form | Liquid |
| Appearance | Clear to pale yellow liquid |
| Odor | Low, mild odor |
| pH (as supplied) | ~9.5 – 10.5 |
| Solubility | Fully soluble in water |
| Density @ 20 °C | ~1.02 g/cm³ |
| Flash Point | >100 °C |
| Recommended Use Level | 0.05% – 0.15% depending on formulation type |
| pH Stability Range | 4 – 12 |
| Shelf Life | 18 months (unopened original container) |
| Packaging Options | 25 kg pails, 200 kg drums, 1000 kg IBC totes |
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