According to the compressor structure and lubrication method, they are divided into three major categories, with significant differences in application scenarios and characteristics:

  1. Rotary Screw Air Compressor Oil

Application: Rotary screw air compressors (mainly oil-injected type, mainstream in the market)

Core characteristics: Strong anti-wear performance, excellent oxidation stability, good foam inhibition. Can form a stable oil film under the high-pressure environment of screw meshing, and is easy to separate after mixing with compressed air, reducing the formation of carbon deposits and sludge.

Subcategories:

  • Mineral type (medium-low load, short service interval)
  • Semi-synthetic type (medium load, general working conditions)
  • Fully synthetic type (high load, high temperature, long service interval)

  1. Piston Air Compressor Oil

Application: Piston / reciprocating air compressors

Core characteristics: Focus on extreme pressure anti-wear and viscosity-temperature performance. Adapts to the reciprocating friction and intermittent high-pressure impact of pistons, cylinders and piston rings. Must withstand local high temperatures inside the cylinder to prevent cylinder scuffing and bearing seizure.

Common grades: Viscosity grades such as ISO 100, 150, suitable for different discharge pressures and rotating speeds.

  1. Vane Air Compressor Oil

Application: Vane-type air compressors

Core characteristics: Low foaming, high cleanliness. Adapts to the sliding friction between vanes and the pump body, preventing vane sticking. Also requires good sealing performance to reduce compressed air leakage.

Technical Index Test Method Mineral TypeISO 3246/68/100/150 Semi-synthetic TypeISO 3246/68/100/150 Full Synthetic TypeISO 3246/68 Unit
★Kinematic Viscosity (40℃) GB/T 265 / ISO 3104 30~34 / 43~49 / 62~74 / 90~110 / 135~165 30~34 / 43~49 / 62~74 / 90~110 / 135~165 30~34 / 43~49 / 62~74 mm²/s
★Kinematic Viscosity (100℃) GB/T 265 / ISO 3104 5.0~6.0 / 6.5~7.5 / 8.5~9.5 / 12~14 / 16~18 5.5~6.5 / 7.0~8.0 / 9.0~10.0 / 13~15 / 17~19 6.0~7.0 / 7.5~8.5 / 9.5~10.5 mm²/s
★Viscosity Index GB/T 2541 / ISO 2909 ≥90 / ≥90 / ≥90 / ≥90 / ≥90 ≥110 / ≥110 / ≥110 / ≥110 / ≥110 ≥140 / ≥140 / ≥140 –
★Flash Point (Open Cup) GB/T 3536 / ISO 2592 ≥180 / ≥190 / ≥200 / ≥210 / ≥220 ≥190 / ≥200 / ≥210 / ≥220 / ≥230 ≥220 / ≥230 / ≥240 ℃
★Pour Point GB/T 3535 / ISO 3016 ≤-9 / ≤-9 / ≤-6 / ≤-6 / ≤-3 ≤-15 / ≤-15 / ≤-12 / ≤-12 / ≤-9 ≤-24 / ≤-24 / ≤-21 ℃
Acid Value (Unadditized) GB/T 264 / ISO 6618 ≤0.05 ≤0.05 ≤0.03 mgKOH/g
★Oxidation Stability (RBOT) GB/T 12581 / ISO 7598 ≥60 ≥120 ≥300 min
Anti-wear Property (Four-ball Test) GB/T 3142 / ISO 20623 PB≥600，PD≥2000 PB≥700，PD≥2500 PB≥800，PD≥3000 N
Foam Characteristic (Foam TendencyFoam Stability) GB/T 12579 / ISO 6247 24℃: ≤50/0；93.5℃: ≤50/0；后24℃: ≤50/0 24℃: ≤50/0；93.5℃: ≤50/0；后24℃: ≤50/0 24℃: ≤50/0；93.5℃: ≤50/0；后24℃: ≤50/0 mL/mL
Oil-water Separability (38℃, 40-30-30) GB/T 7305 / ISO 6614 ≤15 ≤10 ≤5 min
Mechanical Impurities GB/T 511 / ISO 6245 无 / None 无 / None 无 / None %
Water Content GB/T 260 / ISO 3733 ≤0.03 ≤0.02 ≤0.01 %
Copper Strip Corrosion (100℃, 3h) GB/T 5096 / ISO 2160 1a 1a 1a –
Rust Prevention (Distilled Water Method) GB/T 11143 / ISO 7120 No Rust No Rust No Rust –
★Recommended Oil Change Period – ≤3000h 3000~8000h 8000~20000h h

This specification sheet applies to universal air compressor oils for screw, piston, and sliding vane compressors. It covers core technical indicators for mineral, semi-synthetic, and fully synthetic oils, conforming to ISO international standards. It may be directly used in export product detail pages, quotations, and technical specifications. Items marked with ★ are key points of focus for overseas customers.

Parameter Item L-HM 32 L-HM 46 L-HM 68 L-HM 100 L-HV 32 L-HV 46 L-HV 68
Product Model L-HM 32 L-HM 46 L-HM 68 L-HM 100 L-HV 32 L-HV 46 L-HV 68
Kinematic Viscosity at 40℃ (mm²/s) 28.8~35.2 41.4~50.6 61.2~74.8 90.0~110.0 28.8~35.2 41.4~50.6 61.2~74.8
Viscosity Index ≥90 ≥90 ≥90 ≥90 ≥130 ≥130 ≥130
Pour Point (℃) ≤-9 ≤-9 ≤-9 ≤-6 ≤-25 ≤-25 ≤-20
Flash Point (Open Cup) (℃) ≥170 ≥180 ≥190 ≥200 ≥170 ≥180 ≥190
Anti-wear Performance (Wear Scar Diameter, mm/392N/60min) ≤0.40 ≤0.40 ≤0.40 ≤0.42 ≤0.40 ≤0.40 ≤0.40
Anti-wear System Zinc-based/Ashless Optional Zinc-based/Ashless Optional Zinc-based/Ashless Optional Zinc-based Mainly Zinc-based/Ashless Optional Zinc-based/Ashless Optional Zinc-based/Ashless Optional
Oil Change Period Under Normal Conditions 6~9 Months 6~12 Months 6~12 Months About 6 Months 9~12 Months 9~12 Months 9~12 Months

This parameter table covers mainstream mineral oil models and low-temperature high-pressure models, all complying with GB 11118.1-2011 national standard, suitable for general industrial and construction machinery scenarios.

Packaging Specifications

  • Small: 4L/barrel, 18L/barrel
  • Large: 200L/barrel, 1000L/IBC ton barrel
  • Customizable: LOGO and product information (MOQ negotiable)