3. Versatile Use Galvanized Tek screws can be used in a wide range of applications, from roofing and siding installations to securing metal frames and structures. Their versatility makes them a go-to fastener in both residential and commercial projects.
Countersunk chipboard screws are specialized fasteners designed for joining chipboard and other materials. Unlike traditional screws, these screws feature a tapered head that allows them to sit flush with the surface of the material when installed. This design is particularly beneficial for aesthetic purposes and ensures that the screw does not protrude, which can be a safety hazard and may affect the finish of the project.
Galvanised hex head bolts are a popular choice in the construction industry due to their durability and resistance to corrosion. These bolts are commonly used in outdoor projects where they may be exposed to harsh weather conditions, making them an ideal choice for fences, decks, and other outdoor structures.
For instance, regions with abundant raw material resources and low labor costs, like Asia-Pacific, tend to offer more competitive prices compared to developed economies For instance, regions with abundant raw material resources and low labor costs, like Asia-Pacific, tend to offer more competitive prices compared to developed economiesredispersible polymer powder price. However, the quality of the product may vary, as stricter environmental and quality control regulations in developed countries can lead to higher production standards.
According to Article 8 of Regulation (EC) No 1831/2003, EFSA, after verifying the particulars and documents submitted by the applicant, shall undertake an assessment in order to determine whether the feed additive complies with the conditions laid down in Article 5. EFSA shall deliver an opinion on the safety for the target animals, consumer, user and the environment and on the efficacy of the product hydroxypropyl methyl cellulose, when used under the proposed conditions of use (see Section 3.1.1).
The safety profile of Hydroxypropyl Methylcellulose (HPMC) has been thoroughly reviewed and approved by several regulatory authorities worldwide, including the European Food Safety Authority (EFSA) and the US Food and Drug Administration (FDA). These approvals underline the safe use of HPMC in both food products and medicines and number E464 is permitted as an additive of food and medicines.
Regulatory Approvals
HPMC is recognized as a safe food additive and pharmaceutical excipient. In the European Union, HPMC is included in the list of permitted substances that can be added to foods and medicines. The EFSA has evaluated HPMC and concluded that it does not pose a significant risk to public health when used according to approved guidelines and therefore number E464 is authorized for use in food.
Support from scientific studies
A series of scientific studies have extensively investigated the safety of HPMC. These studies have shown that HPMC is safe for consumption and has no toxic effects when ingested within stated limits. The studies focus on several aspects, including the degradation of HPMC in the human body and the absence of allergic reactions, which contributes to its profile as a non-irritating and non-sensitizing substance.
producing and providing different types of HPMC for different fields of applications, generally Celopro HPMC series are consists of 3 types of standard products & several types of modified product.
（2）Physical property：
hpmc for putty powder. Generally, a lower percentage is sufficient for basic applications, while higher percentages may be needed for more demanding tasks that require superior adhesion and durability. The precise ratio needs to be determined through careful experimentation and testing, balancing the desired properties with cost-effectiveness.