Dow METHOCEL 40-0102 Hydroxypropyl methylcellulose

Features Of Dow CELLOSIZE QP100MH Hydroxyethyl Cellulose

• Precise and Stable Thickening - Narrow viscosity range ensures stable finished product quality, suitable for thickening needs of various systems

• High - quality Film - forming and Gelling - Excellent film - forming property, high transparency after gelling, endowing products with delicate texture and smooth skin feel

• Wide Compatibility and Adaptability - Suitable for pH 2-12 systems, compatible with various surfactants, and excellent electrolyte resistance

• Safe, Mild and Reliable - Non - ionic, non - irritating, in line with safety standards for daily chemical products, safe to use

Typical Applications Of Dow CELLOSIZE QP100MH Hydroxyethyl Cellulose

1. Cleansing Products - Thickening and stabilizing foam in shampoos and conditioners, improving wet combing performance and optimizing washing and care experience

2. Skin Care and Beauty Products - Acting as a thickener and stabilizer in masks, lotions and creams, improving product texture

3. Hair Styling Products - Serving as a gelling agent in hair sprays and mousses, ensuring styling effect and product transparency

4. Coatings Field - Acting as a thickener in interior and exterior wall latex paints, improving coating stability and coating uniformity

Specifications Of Dow CELLOSIZE QP100MH Hydroxyethyl Cellulose

Dow METHOCEL 40-0102 Hydroxypropyl methylcellulose – Frequently Asked Questions (FAQ)

Q1: What is the primary functional role of METHOCEL 40-0102 in aqueous formulations?

A: METHOCEL 40-0102 functions primarily as a water-soluble thickener and rheology modifier, providing pseudoplastic flow behavior, improved suspension stability, and enhanced film-forming capability in cold-water dispersible systems.

Q2: How does METHOCEL 40-0102 differ from other METHOCEL grades in terms of viscosity and solubility profile?

A: METHOCEL 40-0102 is a medium-viscosity grade with balanced cold-water dispersibility and rapid hydration kinetics. Compared to higher-viscosity grades, it offers easier handling and lower solution viscosity at equivalent concentrations, while maintaining good thermal gelation onset characteristics typical of hydroxypropyl methylcellulose polymers.

Q3: Is METHOCEL 40-0102 suitable for use in pharmaceutical or food-contact applications?

A: METHOCEL 40-0102 is manufactured under quality systems appropriate for industrial and technical applications. For pharmaceutical or food-contact use, customers must verify compliance with applicable regulatory requirements—including relevant pharmacopoeial monographs or food additive regulations—as final suitability depends on formulation context, processing conditions, and end-use specifications.

Q4: What are key handling and dissolution considerations when incorporating METHOCEL 40-0102 into formulations?

A: To ensure optimal dispersion and avoid agglomeration, METHOCEL 40-0102 should be added gradually to cold water under high-shear mixing. Pre-blending with water-soluble solids (e.g., sugars or salts) or using controlled addition techniques helps prevent surface hydration and fisheye formation. Full viscosity development typically occurs after complete hydration, which may require several hours depending on temperature and agitation.