Case study of powder resol resin for shell mold binder: High strength that withstands molten metal at 1500°C! Self-hardening improves work efficiency.
Powdered resol resin (pure resol) is a powdered form of resol-type phenolic resin with an extremely low amount of monomers. It not only suppresses odor generation but also complies with regulations (not classified as a toxic substance under the Poisonous and Deleterious Substances Control Law). We offer a range of grades tailored to applications and requirements, providing multifaceted benefits such as improved workability and mixability. This time, we would like to introduce a case study utilizing powdered resol resin for casting shell molds. 【Case Study】 Target: Shell molds for casting (sand molds) Role: Used as a binder to bond sand grains together Reason: It self-hardens upon heating, allowing it to maintain its shape firmly even when molten metal at high temperatures is poured in Effect: Prevents mold breakage and deformation, stabilizes product accuracy, and simplifies the process by eliminating the need for hardeners *For more details, please download the PDF or contact us.
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basic information
【Characteristics】 Shape: Powder form (white, light yellow to yellow-brown) Main component: Resole-type phenolic resin Solubility: Generally soluble in organic solvents Curing properties: Self-curing upon heating (no external catalyst required) Storage stability: Superior to liquid form, suitable for long-term storage
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■Casting industry: Binder for shell molds ■Brake materials: Friction material binder ■Electrical insulation materials: Molded products, insulation boards, etc. ■Adhesives: Wood-based materials, heat-resistant adhesives, etc. ■Heat-resistant materials: Binder for sintered bodies, raw materials for heat-resistant molded products
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Phenolic resin, which has a history of about 100 years since it was introduced to the market. Lignite Co., Ltd. has transformed this phenolic resin into new forms. Our molded products range from small items weighing a few tens of grams to large items weighing about 160 kg, tailored to meet customer demands. Additionally, we offer unique products such as spherical phenolic resin (LPS) that has a rounded shape, and GPS and CFPS, which are phenolic resin-coated graphite and carbon fibers, respectively. Recently, we have been making daily progress towards the development and realization of new materials utilizing coating technology for various objects.