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Bessemer, AL, 35022, USA

HUDCO PULVAWEAR™

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Hudco PulvaWear™

Super-Tough Beaded Wearing Compound

PulvaWear™ is a specially formulated wear resistant coating for use in coal pulverizing mills.  The composition of dense alumina spheres and micro ceramic powder in a ballistic grade aramid fiber reinforced epoxy matrix provides remarkable service life when applied to classifier cones, mill walls and other internal components.  The protective properties of PulvaWear™ are uniquely optimized by typical coal mill operating temperatures.

 

PulvaWear™ is supplied in a complete kit including tools for mixing and application.

Typical Applications

In addition to coal pulverizing mills, PulvaWear™ also provides excellent wear protection in a wide range of applications including chutes, screw conveyors, pneumatic conveying equipment and other equipment subject to fine particle abrasion.

Typical Applications

In addition to coal pulverizing mills, PulvaWear™ also provides excellent wear protection in a wide range of applications including chutes, screw conveyors, pneumatic conveying equipment and other equipment subject to fine particle abrasion.

Physical Properties

Mixing Ratio (R:H)
4:1 by weight
Color Resin Hardener Mixed
Grey Black Dark Grey
Pot Life
30 Min @ 75° F
Gel Time
60 Min @ 75° F
Initial Cure Time
6 hours @ 75° F
Post Cure Time
4 Hours @ 200° F
Specific Gravity
2.34
Maximum Operating Temperature
300° F

Physical Properties

MIXING RATIO (R:H)
      • 4:1 by weight
COLOR, RESIN, HARDENER, MIXED
      • Grey, Black, Dark Grey
APPLICATION THICKNESS
      • ¼” – 1” or as desired
POT LIFE
      • 30 Min @ 75° F
GEL TIME
      • 60 Min. @ 75° F
INITAL CURE TIME
      • 6 hours @ 75° F
POST CURE TIME
      • 4 Hours @ 200° F
SPECIFIC GRAVITY
      • 2.34
MAXIMUM OPERATING TEMPERATURE
      • 300° F
Kit Weight
Net Weight
Net Volume
Kit Weight
20lbs.
Net Weight
20lbs.
Net Volume
1.12 Gal.
Kit Size
Net Weight
Net Volume
Kit Size
20lbs.
Net Weight
20lbs.
Net Volume
1.12 Gal.

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Surface Preparation: 

(A) Surface of substrates must be clean and sound. Remove grease, oil, or other foreign material with acetone, wire brushing, or sandblasting. Acid etching the surface is acceptable if followed by thorough flushing with clean water.

 

(B) Roughen surface by grinding or sandblasting (3-5 mil surface profile) Surface must be completely dry with a minimum surface temperature of 75° F before applying.

 

Mixing:

 Mix 4 parts of resin to 1 part of hardener by weight.  Kits are supplied in the correct ratio. Ensure that the sides of the mixing container are scraped into the mixture. Mix several minutes, until consistent color is achieved.

 

Application: 

Apply product to prepared surface and use supplied tools to achieve desired finish.

 

Curing:

At 75° F, product will gel in 60 min.  Initial cure will occur in 6 Hours.  In order for the product to reach its 300° F potential, it must be post cured for 4 hours at a temperature of 200° F or higher.
CAUTION: For Industrial Use Only. Keep Away From Children.

 

HUDCO PulvaWear™ Resin contains epoxy resin which is harmful if swallowed. After prolonged exposure it may irritate skin and cause sensitization and/or dermatitis.

 

HUDCO PulvaWear™ Curing Agent contains organic amine compounds which are harmful if swallowed. After prolonged exposure or repeated skin contact it may cause irritation, sensitization and/or dermatitis.

 

Emergency and First Aid Procedures

 

  • Eye Contact – Irrigate with clean water for 15 minutes and call a physician.
  • Skin Contact – Wash with soap and water.
  • Inhalation – Remove to fresh air and provide oxygen if necessary.
  • Ingestion – Call a physician at once. Give milk or white of egg beaten with water. Then give a teaspoon of salt in a glass of warm water to induce vomiting.
Protection Procedures
If used in a confined or an enclosed area, use an air supplied mask or respirator with canister for organic vapors and provide mechanical exhaust ventilation. Use protective gloves, safety glasses, and protective clothing. Avoid contact with skin and clothing. Contaminated clothing should be laundered before wearing again. Contaminated shoes should be thoroughly cleaned before wearing again.
HUDCO PulvaWear™ Resin and Curing Agent should be stored in a cool, dry area. Shelf life is a minimum of one year in unopened containers when stored at 70° F – 85° F.

Because the storage, handling and application of these materials are beyond our control, we can accept no liability for the results of their use. Our liability is limited only to replacement of any material proven defective in manufacture. We suggest users try small applications to determine the suitability of the product for their intended use.