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BMI-3000-C GEL - Catalyzed is a pre-catalyzed bismaleimide oligomer that exhibits excellent flexibility and, on cure, forms very tough, hydrophobic polyimides. The material has excellent hydrolytic stability and thermal stability. As an additive it can improve rheological properties by increasing the thixotropic properties of a liquid monomer composition. This feature in turn can help to reduce resin bleed out on a variety of surfaces.
BMI-3000-C Precatalyzed Gel is soluble in most aromatic solvents such as toluene, xylene, tetralin, etc. It is also compatible with and can be incorporated directly into many resin systems for enhanced performance.BMI-3000 GEL - Catalyzed is recommended for use as an additive to increase flexibility, hydrophobicity and thixotropy. It has excellent adhesion to a variety of substrates. The pre-added catalyst allows used directly in thermal cure applications without the need for an additional formulation step. The material forms excellent films that can subsequently cure thermally. When used as a base resin, it can produce films that are tough, flexible and demonstrate good peel strength.
BMI-3000 GEL - Catalyzed is designed for thermal curing. A minimum of one hour at 150°C is a recommended starting point. Higher temperatures (up to 175 – 180°C) will result in significantly shorter cure time requirements. Curing below 150°C is not recommended. Due to its solvent free nature the curing of BMI-3000 GEL - Catalyzed is generally independent of ramp rate – both hot plate or oven are acceptable curing devices.
Not a whole lot in terms of final product performance. The basic product and properties are the same, and both have the same molecular weight (3,000 daltons). The difference is in the processing. Both of them have a similar reaction process, but at the end, the handling (including the solvent removal) is different, resulting in a different physical form (Gel vs. Powder). Gel is easier to handle, but the Powder is easier to mix into the formulations.
Although the reaction cost is the same and the BOM cost is similar, the Gel will ultimately be less expensive to buy in higher quantities. This is because of the handling of material after the reaction is complete. Though the "Commercial Grade" CG Powder is less expensive to produce, the handling afterward makes it a more expensive end product.
Many of the current products are made in 40-gallon reactors and we have the capability to run up to 200-gallon reactors which will yield around 100kg. We do have the capability to increase these batch sizes if needed to meet higher production batches and can be turned on on an "as-needed" basis.
Yes. We have many, many years of experience in scaling up formulated liquids. Although the production equipment gets bigger, the process is the same and scalable.