Offers to Sell

Looking for Quality Products? From electronics to home essentials, fashion to industrial supplies — OKWishing brings you a world of products all in one place. We connect global buyers with trusted suppliers, ensuring quality, variety, and value. For LCD rear projection TV product following brands are available for you to choose: hitachi Explore now: www.okwishing.com Contact: social@okwishing.com Call +86-28-84166335 #B2B #GlobalSourcing #Wholesale #Ecommerce #OKWishing

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Robotic shaft seals often operate for long periods in low-temperature environments. Many engineering cases show that oil seals performing reliably at room temperature may exhibit leakage, increased start–stop wear, and unstable sealing behavior once exposed to low temperatures. The root cause is rarely assembly-related; instead, the lip interference loses its ability to provide effective compensating force under low-temperature conditions. This article analyzes how low temperatures affect lip interference from multiple perspectives and proposes feasible design optimization strategies. 1. How Low Temperature Affects Lip Interference The sealing performance of a metal-cased oil seal depends on the lip maintaining stable contact pressure against the shaft surface. In low- temperature environments, this balance is disrupted by several mechanisms: Increased rubber modulus: Rubber becomes stiffer at low temperatures, reducing lip flexibility and making it harder to conform to the shaft surface. Differential thermal contraction: Rubber, metal casing, and shaft materials shrink at different rates, altering the effective interference. Higher lubricant viscosity: Thickened lubricant makes it difficult to form a stable oil film during startup, increasing the likelihood of boundary or even dry friction, which accelerates wear. It is important to emphasize that low-temperature seal failure is not simply a matter of “insufficient interference.” Rather, the interference can no longer deliver sustained, effective contact pressure, leading to systemic degradation of sealing performance. 2. Selecting and Optimizing Interference Interference must be carefully optimized. Some studies recommend a range of 0.35–0.55 mm to balance sealing capability and service life. For high-load or high-pressure applications, values around 0.8 mm may be more appropriate. This highlights that interference should be determined based on operating conditions (pressure, speed), material properties, shaft diameter, and validated through simulation or testing—not by blindly increasing the interference. 3. Material Selection: Low-Temperature Elastic Recovery as the Core Criterion Whether the lip can maintain effective interference at low temperatures depends primarily on the rubber’s elasticity and rebound behavior. FVMQ (fluorosilicone): Maintains excellent flexibility and elastic recovery in extreme cold while offering moderate oil resistance. Suitable for collaborative robots or cold-region drive shafts requiring high compliance. Low-temperature FKM: Retains oil and aging resistance while improving low- temperature rebound. Ideal for medium-to-low temperature applications requiring long service life and chemical compatibility. HNBR: Balances low-temperature elasticity with mechanical strength, making it suitable for outdoor equipment or machinery subjected to impact loads and durability demands. Thus, the key question is not “Is the material cold-resistant?” but “Can it still rebound at low temperatures?” 4. Spring Systems: The Primary Compensation Mechanism in Low Temperatures In low-temperature environments, rubber elasticity alone is insufficient to maintain sealing pressure. A spring-loaded structure becomes essential. An effective spring system should: Provide adequate working stroke to compensate for rubber stiffening Maintain stable force output across the low-temperature range Work synergistically with the lip geometry to distribute contact pressure In extreme low-temperature applications, seals with radial garter springs are commonly used, underscoring the spring’s role as the core compensating element. 5. Structural Design Matters More Than Increasing Interference Simply increasing initial interference often leads to higher friction and wear during low-temperature startup. A more effective approach is to enhance structural compliance so the lip can adapt to temperature changes. Examples include: Reducing lip cross-section thickness to lower bending stiffness Extending the elastic arm to improve followability and reduce stress concentration Optimizing contact angle to achieve more uniform pressure distribution and reduce edge wear The design goal is to ensure the lip can “move with the temperature,” rather than passively suffer from material performance loss. 6. Shaft Surface Condition: A Critical System-Level Factor At low temperatures, oil film formation becomes more difficult, making shaft surface condition even more influential. Optimized roughness (Ra 0.2–0.4 μm): Balances oil retention and lip conformity Micro-texturing (cross-hatch or micro-grooves): Improves start–stop lubrication and sealing stability Avoiding surface defects: Prevents early lip wear or scratching 7. System-Level Thermal Matching and Tolerance Coordination Low-temperature sealing stability requires system-level coordination, not just lip design. Key considerations include: Thermal contraction compatibility among shaft, casing, and spring Amplification of assembly tolerances at low temperatures Lubricant flow and adhesion characteristics in cold environments Only through thermal and mechanical synergy at the system level can the lip maintain effective interference throughout temperature fluctuations. There is no single “correct” interference value for low-temperature robotic shaft applications. Instead of pursuing larger interference, designers should focus on enabling the seal structure to continuously adapt to temperature changes. This system-oriented approach is far more meaningful for achieving reliable low-temperature sealing performance.

Minimum Order: 1000

Erucamide Erucamide is an excellent slip agent and a good anti-blocking agent for poly- olefins. www.benechemical.ltd It is soluble in toluene, hot ethanol, ether and other organic solvents, insoluble in water. Technical data: ITEM Erucamide Appearance White powder, granular Amide Content, % ≥98.5 Acid Value, mgKOH/g ≤0.2 Iodine Value, gl2/100g 72-78 Color,Gardner ≤2.0 Melting point, °C 77-85 Moisture, % ≤0.2 CAS Number 112-84-5 Application: * Optimal slipping agent, anti-blocking agent and anti-sticking agent for BOPP, PP, CPP, LLDPE, LDPE, EVA, PVC, EEA, and PA film and resins. * Anti-sediment agent, anti-sticking agent, dispersing agent and slipping agent for plastic compound printing inks * Anti-blocking agent for cigarettes film * Lubricant and dispersing agent for toner and color paste; necessary good additive for functional master batch; * Brightening agent, slipping agent and de-filming agent for shoe material and wiring and cable; * Slipping agent, brightening agent and leveling agent for PE thermoplastic powder; * Slipping agent, brightening agent and antistatic agent for thermoplastic elastomer (TPE, TEO, TPU), PP and PA fiber master batch. * Lubricant for photographic materials. Package & Storage: * Net 25kg/bag, craft paper bag with PE inner bag. * Store in a dry room, at the room temperature of below 30°C, cool and well- ventilated place. Under these conditions, the product has a shelf life of 12 months from the manufacture date.

Minimum Order: 1 bags

Vinyl chloride and vinyl isobutyl ether copolymer resin, similer to MP-45,MP-25 benemarket@yahoo.com Product Detail MP-45, MP-25 counter types Product Name: Copolymer of vinyl chloride and vinyl isobutyl ether Specifications: Item MP-25, MP-45 1. Apperance White powder 2. Viscosity, mpa.s 20-30, 40-50 3. Chlorine content, % 44.0 4. Volatile, % 0.50 5. Bulk Density, g/ml 0.30 Usage: appliance paint boat paint building coating car paint electrical insulating varnish plastic coating road marking paint rubber coating

Minimum Order: 1 bags

Vinyl copolymer resin, similer to VYNS-3,VYHH,VYHD, Vinno H40/50 Vinyl terpolymer resin, similer to VMCH, Vinnol H15/45M Vinyl terpolymer resin, similer to VAGH, VAGD, VAGF, VROH, Vinnol E15/40A, Vinnol E22/48A Vinyl chloride and vinyl isobutyl ether copolymer, similer to MP-45,MP-25 benemarket@yahoo.com Vinyl chloride and vinyl acetate terpolymer resin VMCH-1---Dow VMCH Typical applications: marine and metal coatings, cans sealed coatings, aluminum foil varnish, adhesive for staple, shoe adhesive, floor paint, cement paint, silk screen printing and transfer ink. Hydroxyl-Modified Vinyl Chloride and Vinyl Acetate Terpolymer Resin VAGH-1---DOW VAGH VAGD-1---DOW VAGD VROH-1---DOW VROH Typical applications: Polyester gravure inks and anti-steam, boiled inks,wood and metal paint together with PU and Alkyd resin. Flexible packaging and binder in magnetic tape;General metal and container coatings;Wood finishes and paper coatings;Industrial Maintenance;Marine and maintenance coatings. Vinyl chloride and vinyl acetate copolymer resin: CYNS---DOW VYNS-3,Vinnol H11/59 CYHH---DOW VYHH,Vinnol H15/50 CYHD---DOW VYHD, Vinnol H15/42 C40/50---Vinnol H40/50 Our factory is a 22years professional VC-VA terpolymer resin/ vinyl resin manufacturer in China! Our price is competitive one in China! It covers about 50,000 cubic meter, hydroxyl-modified terpolymer vinyl resin VAGH and VAGD counter types output 10,000 MT per year; carboxyl-modified terpolymer resin VMCH, VMCC counter types and VC-VA copolymer vinyl resins counter types output 50,000 MT per year. We have REACH registration and ISO 9001.

Minimum Order: 1 bags

Chlorinated Polypropylene (CPP) Brief Introduction Chlorinated Polypropylene (CPP) is a thermoplastic resin manufactured from polypropylene (PP) through chemical modification. Properties CPP is a nontoxic light yellow granular solid. Depending on the difference of chlorine content, its melting point is generally in the range of 80~160℃ and its decomposition temperature 120~200 ℃. It is easily soluble in some organic solvents like halogenated hydrocarbons, toluene, acetic ether, butanone, etc. and it has high rigidity and good properties of wear-resistance, acid-proof, salt water- tolerance and aging-preventing. Specification Ink Ink-Ⅰ(benzene), Ink-Ⅱ(benezene), Ink-Ⅲ (ester) Chlorine % 29～32, 32～35, >38 Viscosity(25℃mPa.s,) 200~500 Transmittance test ≤0.06 PH value 5.5～7.0 Packing packed in a fiberboard box lined with an internal polyethylene bag. Net weight of each piece is 20 kg.

Minimum Order: 1 bags

https://www.xhplants.com/catalog/small-fake-su , cculents-in-pots.html Small fake succulents in pots have emerged as a popular choice for home and office decor, appealing to a wide array of individuals who seek the charm of greenery without the commitment of live plants. These meticulously crafted artificial succulents offer a blend of aesthetic appeal and convenience, making them an excellent option for those who may lack a green thumb or who have busy lifestyles that leave little room for plant care. Expert craftsmanship is evident in the design of these faux plants, which replicate the intricate textures, vibrant colors, and varied shapes of their living counterparts. Made from high-quality materials such as plastic, silk, or composite materials, these small succulents not only look realistic but are also durable and easy to maintain. Unlike live plants that require regular watering and sunlight, fake succulents thrive in a variety of environmental conditions without the need for upkeep, making them perfect for both sunny and dimly lit spaces. From an experiential standpoint, integrating small fake succulents into your living space can transform an ordinary environment into a serene oasis. These decorative elements can enhance the aesthetic of a room, contributing to a calming atmosphere that promotes relaxation and mindfulness. They are particularly appealing in modern and minimalist design contexts, where their sleek appearance complements contemporary home decor trends. Small pots, often made from materials like ceramic, terracotta, or metal, add an additional layer of style, allowing for customization based on personal taste and existing decor. Authoritatively, many interior designers and decor enthusiasts advocate for the inclusion of small fake succulents as a staple in contemporary design. They serve various purposes—from adorning coffee tables and office desks to brightening shelves and adding softness to bathrooms. Their versatile nature means they can fit seamlessly into any space, improving its visual appeal without overwhelming it. In addition, small fake succulents are an excellent choice for those with allergies or sensitivities to pollen, as these artificial plants do not contribute to allergens present in the environment. This aspect underscores their practicality and wide-ranging appeal. With their unique ability to bring the beauty of nature indoors while requiring virtually no care, small fake succulents in pots represent a harmonious blend of artistry, functionality, and modern lifestyle needs.

https://www.xhplants.com/catalog/artificial-tr , ee-in-pot.html **Company Introduction:** Welcome to Xin Hai Arts & Crafts Co., Limited, where we blend innovative design with nature-inspired art through our exquisite range of **Artificial Trees in Pots**. Our mission is to enhance your indoor and outdoor spaces with stunning, lifelike greenery that requires minimal maintenance while still delivering a touch of elegance. At Xin Hai Arts & Crafts Co., Limited, we believe that everyone deserves to experience the beauty of nature, regardless of their environment. Our **Artificial Trees in Pots** are meticulously crafted using high-quality materials to ensure durability and an authentic appearance, making them perfect for homes, offices, and commercial spaces alike. Each piece is designed to bring warmth and sophistication to any setting, offering a fantastic alternative to live plants. Our services extend beyond just providing exceptional products; we are dedicated to helping you find the perfect artificial tree to complement your space. Our knowledgeable team offers personalized consultations and styling advice to ensure you select the right design, size, and type for your needs. Join us at Xin Hai Arts & Crafts Co., Limited and explore our diverse collection of **Artificial Trees in Pots**. Discover how easy it is to transform any area into a lush, green oasis without the worry of upkeep. Experience the joy of nature in your space— without the hassle!

Chemical Name： Polysorbate 80 / Polyoxyethylene (20) Sorbitan Monooleate Chemical Formula： C₆₄H₁₂₄O₂₆ CAS Number：9005-65-6 Molecular Weight: 1,310 g/mol Physical & Chemical Properties Property Description Appearance (25℃) Pale yellow to light amber viscous liquid Odor Slight characteristic odor, non-irritating Surfactant Type O/W(Oil-in-water) type nonionic surfactant HLB Value 15.0 (Hydrophilic) pH (1% Solution) 5.0-7.0 Specific Gravity (20℃) 1.06-1.09 Moisture Content ≤3.0% Fatty Acid Source Derived from C18:1 oleic acid (vegetable oil) Technical Specifications Parameter Specification Acid Value (mgKOH/g) ≤2.0 Saponification Value (mgKOH/g) 43-55 Hydroxyl Value (mgKOH/g) 65-82 Moisture (%) ≤3.0 HLB Value 15.0

Span 85 emulsifier chemically known as Sorbitan Oleate, is a low-HLB, oil- soluble nonionic surfactant designed for stable water-in-oil (W/O) emulsions. It is widely used as a co-emulsifier and emulsion promoter in emulsion explosives, with additional applications in pesticide formulations and industrial cosmetics. Span 85 ensures high emulsion stability, uniform droplet distribution, and enhanced formulation performance, making it a trusted choice for demanding industrial processes. Physical & Chemical Properties   Property Description Appearance Amber or brown viscous liquid Solubility Insoluble in water; soluble in hot oils and organic solvents Surfactant Type W/O nonionic emulsifier Key Features Low foam, stable emulsions, improves detonation performance

Chemical Name: Sorbitan Monooleate Emulsifier System; Mixture of Emulsifier, Co-Emulsifier, and Emulsion Promoter Chemical Formula: C₂₄H₄₄O₆ CAS Number: 1338-43-8 Physical & Chemical Properties: This product is an amber or brown viscous oily liquid, insoluble in water but soluble in hot oil and organic solvents. It is a W/O type surfactant compound with excellent emulsification and low- temperature dispersion properties, which can significantly improve the matrix structure, detonation performance, and storage stability of emulsion explosives. Span 80, chemically known as Sorbitan Monooleate, is a low-HLB, non-ionic surfactant widely used as a water-in-oil (W/O) emulsifier system. It is typically formulated as a mixture of emulsifier, co-emulsifier, and emulsion promoter, designed to deliver excellent emulsification, dispersion, and long- term stability in demanding industrial formulations. With its strong lipophilic nature and reliable performance under low- temperature and complex processing conditions, Span 80 Emulsifier has become an essential emulsifier in emulsion explosives, pesticide formulations, and cosmetics & personal care products.

Product Detail Material PMMA Thickness 1. round rod: commonly 3~90mm, 100~150mm, 200mm or customized 2.square rod: commonly 2*2mm, 3*3mm, 4*4mm, 5*5mm, 6*6mm. 3. triangle rod: commonly 3*3mm, 5*5mm. Color different colors are available Standard size Length: 1000mm, 2000mm, customized size Certificate ROHS CERTIFICATION/ISO CERTIFICATION MOQ 15 pieces if have in stock/if no in stock, more than this Delivery around 7-15 days/depends on your purchase quantity Advantage good light transmission/good weather resistance/light weight/easy to process/good impact strength/good scratch resistance/easy to clean and maintain Product Process and Use Craftsmanship: acrylic tubes can be the extruded or cast one, which are lightweight and enduring. Application: furniture/decoration/construction/display/advertis , ing/signage board/medical apparatus/artwork/lamp/etc. Acrylic Tubes and Rods - High-Quality, Custom Solutions Acrylic Tube/Rod is a versatile product that can be used in a variety of applications. It is a clear cast acrylic tube that is manufactured and supplied by experienced clear cast acrylic tube manufacturers and clear cast acrylic tube suppliers. This product is made from a durable, lightweight, and shatter- resistant material that is easy to work with and offers excellent clarity.  The custom acrylic tube or rob has a smooth, glossy surface that is scratch- resistant and easy to clean. It is also available in a variety of colors, making it a great choice for decorative displays or furniture. The product is also flame retardant, making it a safe choice for use in areas where fire safety is a concern. At Welldon New Material, we are a trusted acrylic tube manufacturer and acrylic rod manufacturer based in China, offering top- quality acrylic tubes wholesale and wholesale acrylic rods. Our products are crafted with precision and are ideal for various industries and applications.

Connect with 50,000+ professional buyers and decision-makers in the global swimming industry. Asia Swimming Expo (ASE) 2026 is set to make a powerful debut at the China Import & Export Fair Complex in Guangzhou from May 15 to 17, 2026. Following the strong legacy of its co-located event, Asia Pool & Spa Expo, which has driven the industry's growth for over 14 years, ASE 2026 is now opening for premium booth reservations. Secure your spot to lead the market! As the definitive B2B platform in Asia dedicated to the swimming equipment sector, ASE 2026 is committed to building a strategic hub that drives the upgrade of the global swimming industry value chain. The exhibition will occupy 50,000 square meters, bringing together over 700 world-leading brands and more than 50,000 professional visitors, including high-value buyers, channel distributors, and institutional procurement decision-makers. Why Exhibit at ASE 2026? Unmatched Scale & Premium Audience: Access a concentrated gathering of over 50,000 elite professionals from pools, water parks, fitness clubs, resorts, sports teams, and major retail and cross-border e-commerce platforms. Showcase Full-Category Innovations: Present your latest products across the entire spectrum, from competitive swimwear, smart training systems, and digital wearables to water leisure technology and professional competition equipment. High-Intent Buying Power: Data from our legacy shows indicates strong purchase intent, with overseas high-net-worth buyers from mature and emerging markets actively sourcing new suppliers and solutions. Synergy with a Mega Water Industry Ecosystem: Co-located with six other major water-themed exhibitions (Pool & Spa, Sauna, Diving, etc.), creating unparalleled cross-procurement opportunities and comprehensive "Intelligent Water Environment" solution showcases. ASE 2026 will comprehensively feature: Personal & Performance Equipment: Competitive swimwear, goggles, caps, training gear. Intelligent Training & Biomechanics Systems: AI-powered analysis platforms, smart wearables, performance monitoring devices. Digital Health & Metaverse Tech: VR/AR training solutions, health monitoring terminals. Professional Competition & Venue Equipment: Cutting-edge racing suits, timing systems, pool facilities. Water Leisure Technology: Diving, snorkeling, and interactive entertainment equipment. Don't miss your chance to claim a prime position at Asia's premier swimming trade fair. Contact the organizing committee now to discuss your space and launch your 2026 campaign!