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FLOATER for HDPE/UHMWPE sand dredging pipe:

TECHNICAL LITERATURE OF PIPE FLOATER

Structure of Floater for Dredging Pipe

1. Tolerance:

Length: 1.5%, Diameter: ±1%, Thickness: ±1mm, Weight: ±2%

2. Appearance must be smooth and homogeneous, bright color, the diameter of burned dots must be under 100mm.

Main Technical Properties

Item	Technical Index of Hull	Item	Inside Technical Index
Tensile Strength	≥13.1MPa	Water Absorption	1-2g/100cm2
Bteak Elingation	≥11.1%	Breaking Strength	0.08-0.1MPa
Impact Strength	≥32.4KJ/m2	Breaking Elingation	4-6%
Bending Strength	≥15.7 MPa	Compressive Strength	0.1-0.24MPa
Weather Resistance ≥ 3.5GJ/m2 After tital aging energy≥3.5GJ/m2	Break Elingation %≥		10
	200°Cmm≥ Oxidative Induction Time 200°Cmm≥		10

Specification:

Dredging Floater Specification Table
Pipe OD (mm)	Floater ID (mm)	Floater OD (mm)	Floater Length (mm)	Wall Thickness (mm)	Net Buoyancy (kg)	Weight (kg)
50	60	300	500	7	80	10
159	220	500	800	7	200	16
205	220	500	800	7	200	16
219	220	500	800	7	200	16
273	300	700	1200	7	420	43
300	300	700	1200	7	420	43
325	375	1100	1100	7	920	72
350	375	1100	1100	7	920	72
400	414	1100	1200	8	1020	76
426	430	1200	1200	8	1200	93
450	480	1300	1300	8	1500	116
500	580	1400	1500	9	2219	170
536	580	1400	1500	9	2219	170
600	630	1400	1700	11	2400	182
630	630	1400	1700	11	2400	182
650	680	1480	1800	11.5	2930	210
700	730	1600	1900	12	3593	230
750	780	1600	2000	13	3800	245
800	830	1800	2000	14	4800	310
850	880	1800	2200	15	5140	380
900	940	2200	2500	16	8180	420

Q: Can nursery trays be used for starting groundcover cuttings?: Yes, nursery trays can be used for starting groundcover cuttings. Nursery trays are designed to provide a suitable environment for seed germination and rooting of cuttings. They often have individual cells or compartments that can hold the cuttings and provide the necessary support and moisture retention. Additionally, nursery trays are usually equipped with drainage holes to prevent waterlogging, which is essential for the successful establishment of groundcover cuttings.

Q: Are nursery trays suitable for growing ground ferns?: Yes, nursery trays are suitable for growing ground ferns. They provide a controlled environment for the ferns to grow, allowing for proper moisture retention and drainage. Additionally, nursery trays allow for easy transportation and transplanting of the ferns when needed.

Q: Can agricultural plastic be recycled?: Yes, agricultural plastic can be recycled.

Q: This question asks for the distinctions between agricultural plastic products made within a country (domestic) and those produced in other countries (foreign).: Domestic and foreign agricultural plastic products differ primarily in terms of manufacturing standards, quality control, cost, availability, and sometimes, the types of materials used. Domestic products are typically made to meet local regulations and may be more readily available, while foreign products might offer different material compositions or innovative designs. Quality control can vary, with some countries having stricter standards than others. Costs may differ due to factors like labor, materials, and shipping. Additionally, domestic products might be preferred for supporting local economies, whereas foreign products could be chosen for their unique features or cost-effectiveness.

Q: Can ground cover be grown from seeds?: Yes, ground cover can be grown from seeds. Many varieties of ground cover plants can be propagated by sowing seeds directly in the desired area. However, it's important to note that the germination and growth rates can vary depending on the specific type of ground cover plant. Additionally, some ground cover plants may be more effectively propagated through other methods such as division or cuttings.

Q: How are plastic greenhouse frames assembled?: Plastic greenhouse frames are typically assembled by connecting the various frame components, such as poles or rods, using connectors or clips. These connectors or clips are designed to securely hold the frame pieces together, ensuring stability and durability of the greenhouse structure. The frames are usually lightweight and easy to assemble, requiring no special tools or skills. By following the manufacturer's instructions, individuals can quickly and easily assemble the plastic greenhouse frame to create a suitable environment for growing plants.

Q: What types of plastic containers are used for transporting fresh produce?: The most common types of plastic containers used for transporting fresh produce are typically made of food-grade polyethylene or polypropylene. These containers are designed to be durable, lightweight, and resistant to moisture and chemical degradation, ensuring the safe transportation of fruits, vegetables, and other perishable goods.

Q: Is it possible to recycle and reuse biodegradable adhesive agents in agricultural applications?: Biodegradable adhesive agents can potentially be recycled and reused in agriculture, but their practicality depends on several factors. These include the specific composition of the adhesive, its degradation rate, and the environmental conditions in which it is used. Some biodegradable adhesives, like those made from starch or cellulose, can be broken down by microorganisms and potentially reintegrated into the soil. However, the process of recycling these adhesives for reuse may not be straightforward and could require additional processing to ensure they are safe and effective for agricultural use. Further research and development are needed to establish efficient recycling methods and to determine the full potential of these materials in agricultural applications.

Q: What are some ground cover options for dry, rocky soil?: Some ground cover options for dry, rocky soil include creeping thyme, ice plant, sedum, yarrow, and moss phlox.

Q: This question asks about the various kinds of plastic films used in agriculture and their respective purposes.: Agricultural plastic films are used for a variety of purposes in farming. These include mulch films which help in weed control and moisture retention, greenhouse films that provide a controlled environment for plant growth, silage films for preserving forage crops, and nursery films for protecting young plants. There are also biodegradable films that decompose naturally to reduce environmental impact, and UV-stabilized films designed to withstand exposure to sunlight without breaking down. Each type of film serves a specific function, from improving crop yield to enhancing the quality of agricultural products.

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