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For palletizing robot gripper cylinders, O‑rings must withstand frequent reciprocating motion, resist wear, tolerate oil exposure, and maintain reliable sealing under high‑frequency operation. Selecting the right material is essential for ensuring long‑term performance and system stability. Below are several commonly used rubber materials and their suitability for this type of application. Hydrogenated Nitrile Rubber (HNBR) HNBR is an upgraded version of standard nitrile rubber. It offers enhanced resistance to oil, heat, and oxidation. Its excellent wear resistance makes it particularly suitable for applications involving continuous reciprocating motion, especially in high‑temperature or chemically aggressive environments. Typical Applications High‑temperature, oil‑rich, and chemically corrosive environments. Advantages Strong wear resistance Excellent heat and chemical resistance Disadvantages Higher cost compared with standard NBR HNBR is ideal for applications requiring both high sealing performance and durability, especially where frequent motion and elevated temperatures are present. Polyurethane (PU) PU is known for its outstanding wear resistance and elasticity, making it a strong candidate for high‑frequency reciprocating applications. It can withstand prolonged friction and impact, and its hardness can be adjusted to meet the needs of pneumatic and hydraulic systems. Typical Applications Low‑ to medium‑temperature environments, particularly where abrasion is a major concern. Advantages Exceptional wear resistance Good elasticity Suitable for high‑frequency motion Disadvantages Poor high‑temperature resistance and prone to aging under heat If your cylinder experiences significant wear during frequent motion, polyurethane is a highly suitable choice. Nitrile Rubber (NBR) NBR is one of the most widely used O‑ring materials. It provides good oil resistance and moderate wear resistance, making it suitable for most hydraulic and pneumatic systems involving lubricants, oils, and fuels. Typical Applications General operating temperatures from −40°C to 125°C, especially in oil‑based environments. Advantages Excellent cost‑performance ratio Good oil and wear resistance Disadvantages Limited high‑temperature capability For most non‑extreme working conditions, NBR offers a practical and economical solution, especially for oil‑based sealing applications. Fluorocarbon Rubber (FKM) Compared with NBR, FKM provides superior heat and chemical resistance. It is widely used in high‑temperature and corrosive environments where sealing reliability is critical. Typical Applications High‑temperature environments (up to 250°C) and chemically aggressive conditions. Advantages Excellent heat resistance Strong chemical resistance Disadvantages Higher cost Poor low‑temperature flexibility If your system frequently operates at elevated temperatures or comes into contact with chemicals, FKM is a strong candidate. Perfluoroelastomer (FFKM) FFKM is one of the most advanced rubber materials available today. It can withstand temperatures above 230°C for extended periods and resists nearly all chemicals, including strong acids, strong bases, and organic solvents. Its extremely low friction coefficient helps reduce wear during reciprocating motion. Typical Applications Extreme high‑temperature and highly corrosive environments. Advantages Outstan , ding heat resistance Exceptional chemical resistance Low friction and reduced wear Disadvantages Very high cost For the most demanding environments where sealing performance must remain stable under extreme conditions, FFKM is the premium choice. How to Choose the Right O‑Ring Material When selecting an O‑ring material for a palletizing robot gripper cylinder, consider the following factors: Operating Temperature High temperatures: FKM or FFKM Low to moderate temperatures: NBR or PU Oil Exposure Oil‑rich environments: NBR or HNBR Wear Resistance Requirements High‑frequency reciprocating motion: PU or HNBR In practical applications, NBR offers an economical solution for low‑ to medium‑temperature oil environments. For higher heat and chemical resistance, FKM and HNBR are more suitable. If wear resistance is the priority, PU performs exceptionally well. In extreme conditions, FFKM delivers unmatched performance, though at a significantly higher cost. Selecting the right O‑ring material requires a balanced consideration of temperature, oil exposure, wear resistance, and budget. Each material offers unique advantages and is suited to specific working conditions. Making the right choice will significantly enhance system stability and extend the service life of the gripper cylinder.
Minimum Order: 1000
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Shanghai China
Shanghai
China
This high speed loitering munition can carry a 10kg warhead and is mainly used to strike fixed targets, with a speed exceeding 140 meters per second. Ordinary anti drone systems cannot intercept it, High speed loitering munition specifications Captain: 3.2m Wing span: 1.5m Maximum flight speed: 180 m/s Flight altitude: 20-8000m Endurance: ≥ 35min Maximum takeoff weight: 95Kg Flight distance and speed: ＞ 350 kilometers, 140 meters/second @ payload 5kg ＞ 200 kilometers, 150 meters/second @ payload10kg Takeoff methods: rocket boosters or catapult launcher Control and guidance methods: remote control, programmable control, fully autonomous flight RCS (conventional type): 0.1-0.3 (S, C, KU frequency band) RCS (stealth type): 0.01-0.03 (S, C, KU frequency band) More details at: https://www.militarydronepro.com/high-speed-loiter , ing- munition-low-cost/
Minimum Order: 1 bags
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Room S239, 2/F, Capital Plaza, 61-65 Chatham Road South, Tsim Sha Tsui, Hong Kong，China.
Hong Kong 999077
Hong Kong
Molecular Sieve Desiccant Molecular Sieve is an adsorbent with uniform pores that selectively adsorb and separate molecules based on size and polarity. Molecular Formula: AICaNaO9Si3 Molecular Weight: 318.299987792969 UN Code.: N/A Customs Code : 3824909990 CAS NO.: 63231-69-6 EINES NO.: 215-684-8 Package: 25KG/DRUM Appearance:Molecular sieve ball or columnar Molecular sieve main types: 3A,4A,5A,10X,11XXH-7
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Bentonite Desiccant Bentonite is a versatile clay mineral known for its high absorbency and ability to form gel-like suspensions, making it valuable in various industries. CAS Number: 1302-78-9 EINECS NO.: 215-108-5 Molecular Formula: Al2O3.4(SiO2).H2O Purity (%): Varies depending on the grade and application, typically ranging from 80% to 95% or higher. Appearance: Fine powder or granules with a range of colors, including white, purple, yellow, gray, or green. Packing: 25kgs/bag or as custmer’s request.
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Isothiazolinone (CMIT MIT) CAS Number: 26172-55-4 UN NO.: 1760 EINECS NO.: 247-500-7 Molecular Formula: C8H9ClN202S2 Purity (%): Typically available in various purity levels, such as 14% and 15% (CMIT:MIT). Appearance: Clear to pale yellow liquid Packing: Drums, or bulk containers Other Name: Methylchloroisothiazolinone, Methylisothiazolinone, MCI/MI, MCIT/MIT, Kathon 886
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Sodium Lauryl Sulfates/SLS Product name: Sodium Lauryl Sulfates/SLS CAS Number: 151-21-3 Molecular Formula: NaC12H25SO4 Molecular Weigh: 288.38 Content: 95% or 99% Appearance: White or yellowish powder or needle Package: 20kg/multi-ply bags or 25kg/drum Other Name: SLS; Sodium Dodecyl Sulfate(SDS); Sodium Monolauryl Sulfate;
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Dodecyl Dimethyl Benzyl Ammonium Chloride (DDBAC) CAS No.: 8001-54-5,63449-41-2,139-07-1 UN NO.: 3265 EINECS No.: 264-151-6 Molecular Formula: C21H38ClN Purity (%): 50-80 Appearance: Colorless or yellowish transparent liquid Packing: 200L plastic drum,IBC(1000L),customers' requirement. Other Name: Benzalkonium Chloride; BKC; DDBAC; Lauryl dimethyl benzyl ammonium chloride
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Sodium Alginate Sodium alginate, a natural polysaccharide derived from seaweed, is widely employed as a versatile thickening, stabilizing, and gelling agent in food, pharmaceutical, and textile applications. CAS Number: 9005-38-3 EINECS NO.: 618-238-3 Molecular Formula: (C6H7NaO6)n Purity (%): Typically 95% or higher Appearance: Off-white to light yellowish powder Packing: Available in various forms, including bags, drums, or bulk shipments, depending on the quantity and application requirements.
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Calcium Chloride CAS Number: 10043-52-4 EINECS NO.: 233-140-8 Molecular Formula: CaCl2 Purity (%): Anhydrous calcium chloride≥94%, Calcium chloride dihydrate ≥74% Appearance: white powder, pearls and flakes Packing: 25kgs/bag, 1 ton/bag, or as customer’s request.
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
NTA Chemical - Nitrilotriacetic Acid Chelation Nitrilotriacetic Acid, commonly known as NTA, is a versatile chelating agent utilized in various applications such as chemistry, medicine, and wastewater treatment due to its ability to bind metal ions. CAS Number: 139-13-9 EINECS NO.: 205-355-7 Molecular Formula: C6H9NO6 Purity (%): 40%-99% Appearance: White crystalline powder or light yellow transparent liquid Packing: Available in various packaging options
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Dicyandiamide Formaldehyde Resin Dicyandiamide Formaldehyde Resin is a water-soluble resin widely used as a cross- linking agent in adhesives, coatings, and textiles. CAS Number: 55295-98-2 EINECS NO.: 259-218-9 Molecular Formula: (C2H4N4)x Purity (%): Typically ranging from 60% to 95% or higher. Appearance: Colorless or Light-color Sticky Liquid Packing: 25kg，200kg，250kg Plastic drum packaging, 1250 IBC etc
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
PolyDADMAC CAS Number: 26062-79-3 EINECS NO.: 257-186-4 HS. Code: 3911900090 Molecular Weight: 126.2188 Molecular Formula: (C8H16NCl)n Purity (%): Liquid Solid Content 20%-50% Appearance: Light yellow viscous liquid Package: 25kgs, 200kgs plastic drum or 1.1MT/IBC Other Name: PDADMAC, PDMDAAC, PDDA, Polyquaternium-6
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Aluminum Chlorohydrate (ACH) Product name: Aluminum chlorohydrate coagulant CAS Number: 1327-41-9 EINECS NO.: 234-933-1 HS.Code: 3824.90 Molecular Formula: AlClHO Appearance: colorless and transparent liquid, white solid Packing: Bags, drums, or bulk containers Other Name: Polyaluminium Chloride, Aluminum hydroxychloride, Aluminum oxychloride
Minimum Order: 20 square metres
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0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
PolyDADMAC PolyDADMAC is a cationic organic polymer commonly employed as a flocculant and coagulant in various water treatment and industrial processes. CAS Number: 26062-79-3 EINECS NO.: 257-186-4 Molecular Formula: (C8H16NCl)n Purity (%): Liquid Solid Content 20%-50% Appearance: Colorless or Light-Color Sticky Liquid Packing: 25kgs, 200kgs plastic drum or 1.1MT/IBC
Minimum Order: 20 square metres
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Email:
0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
Sodium Lauryl Ether Sulphate Product name: Sodium Lauryl Ether Sulphate CAS Number: 68585-34-2 Molecular Formula: CH3(CH2)10CH2(OCH2CH2)nOSO3Na Molecular Weight: 376.48 Content: ≥70% Appearance: White to yellowish paste Package: 170kgs/drum; 1050kgs/IBC drum Other Name: SLES; Sodium laureth sulphate; Sodium laureth sulfate；SLES 70%
Minimum Order: 20 square metres
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Fax:
Email:
0086-371-67986516
No.100 kexue road
Zheng Zhou 450000
China
SOURCE: Import-Export Bulletin Board (https://www.imexbb.com/)
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