JTBW-215H Gypsum-Based Retarder is a long-peptide-chain plant protein type retarder that effectively prolongs the setting time of hemihydrate gypsum.
• High purity with very low dosage (0.02–0.03%)
• Rapid dispersion & fast-acting (short mixing time)
• Low strength loss rate
• Good compatibility with other additives
JTBW-215H Gypsum-based retarder is suitable for all kinds of gypsum-based mortars:
• Base/Surface layer gypsum-based self-leveling mortar
• Gypsum-based plastering mortar
• Paper-faced gypsum board/gypsum wallboard
Product parameters
State: Powder
Color: yellowish-white
Drying weight loss: maximum 8.5%
Bulk density: 700-1000kg/m³
Storage: Store in original sealed packaging under normal temperature (below 40℃) in dry conditions.
Storage validity period: 1 year
Storage grade: Class 11 (Non‑combustible solid)
Transportation rules: The product is non‑hazardous in accordance with transportation regulations.
Recommended dosage: The dosage depends on the usage conditions.
Based on the quality of the mortar, the recommended dosage is 0.02 - 0.03%.
Note: The appropriate dosage under specific conditions should be confirmed through pre-testing. Please contact our technical service department for more support and assistance.
Do not allow prolonged direct skin contact. Avoid contact with the eyes and mouth.
• If skin contact occurs, wash immediately with water and soap.
• If eye contact occurs, rinse eyes thoroughly with plenty of clean water at once.
• If swallowed accidentally, spit out immediately, rinse mouth thoroughly, and seek medical attention promptly.
Handle, store, and dispose of this chemical safely in accordance with relevant safety regulations during transportation.
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