One, what material is putty powder made of
Putty powder is a type of building decoration material, primarily composed of talc powder and adhesive. Putty is generally composed of base materials, fillers, water, and additives.
1、base Material: Also known as the binder, is the most critical component of the putty, primarily responsible for bonding and other functions. The most commonly used binder in putty is cement and organic polymers. Organic polymers can be further divided into emulsions and latex powders. Cement is a binder with good bonding properties, durability, and cost-effectiveness, but has poor tensile strength and crack resistance. Organic polymers can modify and strengthen the putty, thereby improving its performance.
2、Fillers: Primarily used for filling, common examples include calcium carbonate, talc, and silica sand. It is important to use fillers with appropriate particle sizes.
3、Additives: Including thickeners, water retention agents, etc. Thickening agents and water retention agents improve water retention and improve storage and construction performance. Fiber-based materials are generally used. Anti-freeze agents mainly improve the storage stability of the putty paste at low temperatures. Lubricants and water reducers are typically used in high-quality putty pastes to improve the construction performance of the putty paste.
4、Some also add fibers to provide anti-cracking properties.
II. Putty Powder Formulation and Ingredients
1、Standard putty powder formulation. Talc powder (200 mesh): 1000 kg, Bentonite: 10 kg, Cellulose fiber: 25 kg, Starch paste: 10 kg
2、Antimicrobial Putty Powder Formulation. 200-mesh talc powder: 1000 kg, 10 kg expanded clay, 25 kg cellulose, 10 kg starch paste, 0.5 kg antimicrobial agent.
3、Water-resistant putty powder formulation. 500kg of hydrated lime, 500kg of anhydrous lime, 3.5kg of cellulose fiber.
4、Gypsum and putty powder formulation. Gypsum 400kg, calcium 600kg, cellulose 2kg, retarder 4kg.
5、Gypsum and sand-based putty powder formulation. Gypsum 400 kg, silica sand 600 kg, cellulose 2 kg, retarder 1.5 kg.