Name: Lotte Samsung H300 Hydroxyethyl Methylcellulose
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Lotte Samsung H300 Hydroxyethyl Methylcellulose

Highly water-soluble polymer with rapid dispersion and low gelation temperature profile.
Excellent thickening efficiency and pseudoplastic rheology for improved workability in aqueous systems.
Superior film-forming capability and enhanced adhesion to mineral and organic substrates.
Good compatibility with common construction additives, including retarders, accelerators, and defoamers.
Stable viscosity performance across pH 3–11 and resistant to enzymatic degradation under typical storage conditions.

Typical Applications Of Lotte Samsung H300 Hydroxyethyl Methylcellulose

Cement-based tile adhesives and grouts requiring extended open time and sag resistance.
Self-leveling underlayments and repair mortars where flow control and surface finish are critical.
Exterior insulation finishing systems (EIFS) base coats for crack bridging and reinforcement bonding.
Waterproofing slurries and flexible cementitious coatings for wet-area applications.
Pre-mixed dry-mix plasters and skim coats requiring consistent texture and reduced water demand.

Chemical Type	Non-ionic cellulose ether (Hydroxyethyl Methylcellulose)
Product Form	Free-flowing white to off-white powder
Appearance	Uniform granular powder, no visible impurities
Viscosity (2% aqueous solution, 20°C, mPa·s)	Approx. 300,000 ± 20%
Moisture Content (wt%)	≤ 5.0%
Residue on 100 µm Sieve (wt%)	≤ 5.0%
pH (1% aqueous solution)	6.0 – 8.5
Heavy Metals (as Pb, mg/kg)	≤ 10

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