LGED 2 High-Temperature, Severe-Duty Food-Grade Grease

Specifications

How to choose Food-grade machinery lubricants

Points to check when selecting, with the values for this product (LGED 2).

1. 1. Confirm food contact acceptability by NSF registration category

   H1-registered products are generally used where incidental contact with food is possible. H2 is intended for locations with no food contact. Documentation for manufacturing safety management systems (such as HACCP) may require registration numbers, so check the NSF registration number and whether the product is registered under ISO 21469.

2. 2. Match the operating temperature range to equipment conditions

   This product: Operating Temperature Range -30～+240 °C

   Suitable products differ between ambient to moderate-temperature zones, such as conveyors and packaging machines, and high-temperature areas such as bakery ovens. Greases using PTFE thickener and PFPE base oil include examples for high-temperature use of 180 to 240°C. For refrigerated or low-temperature equipment, also check pumpability at the minimum operating temperature.

3. 3. Judge heat resistance and service life by base oil type

   White mineral oil is suited to general-purpose applications, while synthetic oils such as PAO offer superior low-temperature performance and oxidation stability. PFPE shows low evaporation loss at high temperatures and suits severe environments. However, mixing different base oil types may reduce performance, so when switching from an existing product, remove the old grease before refilling.

4. 4. Select thickener for water resistance and load capacity

   Calcium sulfonate complex thickeners offer excellent water resistance, corrosion resistance, and extreme pressure performance, making them suitable for wet environments exposed to washdown water and for bearings under high loads. For high-load applications, also refer to the four-ball weld load (e.g., 3400 N). Mixing with dissimilar thickeners can cause softening or separation, so confirm compatibility.

5. 5. Match base oil kinematic viscosity to load and speed

   This product: Base oil kinematic viscosity (40°C) 460 mm2/s

   Listed products have a kinematic viscosity at 40°C of 150 to 460 mm2/s. Higher viscosity suits low speed and high load, while lower viscosity suits high-speed rotation, from the standpoint of oil film formation and heat suppression. Select by comparing the required viscosity specified by the bearing manufacturer with the operating temperature, and for high-temperature operation also check the kinematic viscosity at 100°C (16 to 42 mm2/s).

6. 6. Match consistency grade and package size to the lubrication method

   This product: NLGI consistency number 2

   NLGI 2 is a common consistency for bearings. For automatic lubricators and centralized lubrication systems, select a grade with suitable pumpability. Package sizes range from 1 kg to 420 kg; choose cartridges for manual grease guns and pails or drums for systems with many lubrication points. The guideline for storage of unopened product is 2 years.

This guide was written by AI based on the listed products' documents and specification items.

About Food-grade machinery lubricants and all products

Description

White fluorinated food-grade grease combining PFPE base oil with PTFE thickener. Low evaporation loss at high temperatures, suitable for harsh environments including oxygen and vacuum. NSF H1 registered.

FAQ

Q. In what environments can LGED 2 be used?

A. LGED 2 is a fluorinated food-grade grease for high-temperature, severe-duty applications, with an operating temperature range of -30 to +240 °C. It has low evaporation loss at high temperatures and can be used in harsh environments such as oxygen and vacuum.

Q. Can LGED 2 be used in food machinery? Is it certified for food safety?

A. Yes. It is an NSF H1 registered food-grade grease and a white fluorinated food-grade grease. Listed applications include bakery oven and stone oven equipment, the glass industry, high-temperature fans, and vacuum pumps.

Q. What are the base oil and thickener types and the consistency of LGED 2?

A. The base oil is PFPE and the thickener is PTFE. The NLGI consistency grade is 2.

Q. What are the dropping point, storage period, and oxygen surge test result for LGED 2?

A. The dropping point is >300 °C and the storage period is 2 years. The oxygen pressure surge test (ISO 21010) is 70 bar.

Written by AI based on the content of the source documents.

Source documents

• Catalog SKFメンテナンス製品と潤滑製品 204 pages Open page 154
  Found on: https://azuma-eg.com/catalogue/