Melamine formaldehyde resin is a type of thermosetting plastic that is formed by the polymerization of melamine and formaldehyde. This resin is commonly used in various applications, including laminates, coatings, adhesives, and molded products. When you refer to "Concentrated Melamine Formaldehyde Resin," it suggests a formulation with a higher concentration of the resin, which may be used in specific industrial processes.
Composition: Melamine formaldehyde resin is typically produced by the reaction of melamine (a nitrogen-rich compound) and formaldehyde (a reactive aldehyde). The reaction results in a highly cross-linked polymer with excellent hardness, chemical resistance, and heat resistance.
Properties:
High Heat Resistance: Melamine formaldehyde resin exhibits high heat resistance, making it suitable for applications where exposure to elevated temperatures is a concern.
Hardness and Durability: The resin imparts hardness and durability to the materials it is used in, making it valuable for products like laminates and molded items.
Chemical Resistance: Melamine formaldehyde products are known for their resistance to chemicals and staining.
Applications: Laminates: Melamine formaldehyde resin is commonly used as a coating for laminates, which are widely used in furniture, countertops, and decorative surfaces.
Molded Products: It is used in the production of molded items, such as kitchenware, dinnerware, and electrical components.
Adhesives: The resin is used in the formulation of adhesives for bonding wood and other materials.
Concentration: The concentration of melamine formaldehyde resin can vary based on the specific formulation required for a given application. A concentrated form may be used to achieve specific performance characteristics or to facilitate easier handling and storage.
Manufacturers and Suppliers: Different manufacturers may produce concentrated melamine formaldehyde resins with varying specifications. It's essential to consult with the specific manufacturer or supplier for detailed information about the product's formulation, recommended uses, and handling guidelines.
Usage and Dosage:
1. Industrially: ferrous sulphate heptahydrate is mainly used as a precursor to other iron compounds. It is a reducing agent, for the reduction of chromate in cement.
2. Nutritional Supplement: Together with other iron compounds, ferrous sulphate is used to fortify foods and treat iron-deficiency anemia. Constipation is a frequent and uncomfortable side effect associated with the administration of oral supplements. Stool softeners often are prescribed to prevent constipation.
3. Colorant: Ferrous sulphate can also be used to stain concete and some limestones and sandstones a yellowish rust color.
4. Water Treatment: Ferrous sulphate has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies.
Storage:
Storage Store in cool, dry, well ventilated area, removed from oxidising agents (eg. hypochlorites), acids, metals and foodstuffs. Ensure containers are adequately labelled, protected from physical damage and sealed when not in use. Large storage areas should have appropriate ventilation systems.
Precaution: Flammability Non flammable. No fire or explosion hazard exists.
Packing: Net weight 25kgs, 50kgs per each plastic woven bag
Technical Specification
Appearance: Light green crystalline powder
Fe 19.7%min
Pb 20 ppm max
As2 ppm max
Cd 5 ppm max
Size Crystalline Powder
Formula:KAl(SO4)2 12H2O
Relative Molecular Weight:474.39
CAS NO,: 7784-24-9
EINECS No.:5637-689-7
HS CODE.: 2833301000
Appearance: lump, white crystal, white powder
Properties:Colorless, transparent, particle or crystalline powder, odorless, nontoxic, tastes slightly sweet and puckery, astringent, easily soluble in water, its water solution appears acid,is would lose crystal water and become white powder on heating
Usage;
Food industry: Buffering agents and leavening agents in food-grade products.
Chemical Industry: Water Flocculant, aluminum tanning agents and after-treating agents for leather tanning in the leather industry, dyeing agents,Astringents,mordants etc.
Product Name:Aluminum sulfate
Molecular Formula:AL2(SO4)3
Hs Code:2833220000
CAS Code:10043-01-3
Standard:HG2225-2010
Shape:flake, powder, 2-4cm lump and 2-5mm/3-8mm granular
Properties:There are two types,anhydrous aluminium sulphate and aluminium sulphate octadecahydrate. In normal condition , it is AL2(SO4)3�·18H2O; AL2(SO4)3�·14H2O after efflorescence, can be white powder , glittering flaky or crystalline flakes, odorless, sweet to slight bitter.
Use:Sewage Treatment, treatment of drinking water, Sizing of paper , Cement Additive.
Specifications
Item name Standard
AL2O3 15.6% 16.5% 17%
Fe2O3 0.5 % Â 0.005 % 0.004%
PH value 3.0 3.0 3.0
Water insoluble matter 0.2% 0.04% 0.03%
Packing 25kg or 50kg or 1000kg in plastic lined woven bag
Calcium thiosulfate solution
CAS NO .: 10124-41-1
Molecular formula: Ca2S2O3
Molecular weight: 152.208
Physical and chemical properties: colorless transparent liquid, non-dangerous goods
Use: used in medicine, agriculture and other fields
Packing:1240kg IBC drum
Product specifications:
Appearance Clear transparent liquid
Content Ca2S2O3 % 24%
S 12.4
Lead ppm 1
Mercury ppm 1
Iron ppm 0.01
pHï¼ 20 6.5-9.0
Commodity:Avobenzone
CAS No. 70356-09-1
Molecular Formula C20H22O3
Molecular Weigh 310.39
EINEC No. 274-581-6
Specification Quality standard: USP36
Appearance Off-white powder
Assay 95.0-105.0%
Melting range 81.0~86.0
Impurities
Any individual impurity: 3.0%
The sum of all of the impurities: 4.5%
Loss on drying 0.5%
Packaging and storage: 1kg/aluminum foil bag. 25kg/barrel, pharmaceutical packaging barrel. Sealed, stored in dark, with a shelf life of 2 years.
Reference dosage:
The hygiene standards for cosmetics stipulate that the maximum amount added shall not exceed 5%, and the general dosage is 1-4%.
Usage:
Sunscreen agent-1789 is the most effective fat soluble UVA filter and is a safe and effective UVA sunscreen approved by the US FDA for sale on the counter. It can effectively block UVA, thereby increasing the SPF value of sunscreen products. It can improve the efficacy of sunscreen products when used in combination with UVB filters, and BL-200 has the best effect when used in combination with octyl methoxycinnamate. BL-200 can increase its stability in the product. It has an extremely effective protective and repairing effect on human skin.
Application:
This product is soluble in oil and can be formulated into a cream using the usual method. However, the product turns red when it encounters metal ions, so other components such as formula water should not introduce metal ions. The equipment should be made of pure stainless steel, and an appropriate amount of EDTA-2Na should be added to the formula water phase to chelate with metal ions.
