Hardening of fiberglass mats involves the process of impregnating the fiberglass mats with a resin (usually polyester or epoxy) and then allowing them to cure. The materials required are: fiberglass mats, resin (polyester or epoxy), curing agent (depending on the type of resin used), mixing container, stirring rod, brush or roller, protective gloves, safety glasses, respirator (recommended).Steps: Prepare the work area, make sure it is well ventilated, spread plastic sheeting or newspaper to protect surfaces, and wear protective gloves, safety glasses, and a respirator to protect from fumes and chemicals. Next: Prepare the fiberglass mats by cutting them to the desired size with scissors and placing them on a flat surface or on an object to be reinforced. Then mix the resin and hardener. Read the manufacturer's instructions for the correct proportions of resin and hardener and mix the resin and hardener in a mixing container. Mix well with a stirring rod for a few minutes until the mixture is homogeneous and uniform. Apply the resin mixture evenly to the fiberglass mats with a brush or roller, making sure that the mats are completely saturated with resin. The resin can be dabbed into the fiberglass mat with a brush to remove air bubbles and ensure complete saturation.Then there is the curing of the resin, which is allowed to cure according to the manufacturer's instructions. This can take anywhere from a few hours to a full day, depending on the type of resin and environmental conditions, and the curing process should avoid disturbing the mat. Finally, check the hardness of the fiberglass after curing. The fiberglass mat should be firm and non-sticky to the touch; if necessary, add more layers of fiberglass and resin to increase thickness and strength. After the resin is fully cured, trim excess fiberglass with a sharp knife or scissors.Other tips: Be sure to follow the specific instructions for the resin and hardener as mixing ratios and curing times will vary, work in a temperature controlled environment whenever possible as extreme temperatures can affect the curing process, dispose of any waste responsibly in accordance with local chemical handling regulations, by following these steps you can efficiently harden your fiberglass mats to create strong and durable composites for the a variety of applications as follows .

Arctic Biomaterials Oy (Tampere, Finland), founded in 2014, has developed a degradable fiberglass made of so-called bioactive glass, which was developed in the 1960s, says Ari Rosling, R&D Director of ABM Composite. A special formula that allows glass to degrade under physiological conditions. When entering the body, glass breaks down into its component mineral salts, releasing sodium, magnesium, phosphates, etc., thereby creating conditions that stimulate bone growth.""Its properties are similar to E-glass," Rosling said. "But this bioactive glass is difficult to manufacture and draw into fibers. Previously, it was only used as a powder or putty. As far as we know , ABM Composite was the first company to use it on an industrial level to make high-strength fiberglass, and now we use these ArcBiox X4/5 fiberglass to reinforce different types of plastics, including biodegradable polymers.”

ABM Composite has developed ArcBiox X4/5 fiberglass in various forms for composite applications, from chopped fibers and injection molding compounds to continuous fibers for processes such as textiles and pultrusion. Its ArcBiox BSGF series combines degradable fiberglass with bio-based polyester resin and is available in general technical grade and ArcBiox 5 grade, which is approved for use in food contact products.Rosling said bio-based PP and PA, whose production is increasing rapidly, do not degrade. "While bio-based PLA and PBS degrade, their mechanical properties and heat resistance are typically very low. Our degradable fiberglass are a big step forward, improving their properties sufficiently to enable new applications." "

According to different products, customs specification declarations have different declaration elements. Special attention should be paid to: if the declaration is sliver, roving, yarn and chopped fiber, the product name, material (made of fiberglass), type and length need to be declared; If it is declared as a woven fabric, it is also necessary to declare the weaving method (woven), yarn type (spun yarn, etc.), width, weight per square meter, single yarn fineness, etc.For example: the standard declaration elements of tax code 7019.5200 are: 1. Product name; 2. Material (made of fiberglass); 3. Weaving method (woven); 4. Yarn type (spun yarn, etc.); 5. Width; 6. Each Square meter weight; 7. Single yarn fineness; 8. Nominal thickness.The accurate declaration of the product "fiberglass cloth" is: fiberglass filament woven cloth for copper-clad laminates, width 50 cm, gram weight per square meter 150, single yarn fineness 120 tex, nominal thickness 2mm.