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PHENOLIC LAMINATES PROPERTIES

 

MATERIAL IN CONTACT WITH COEFFICIENT OF FRICTION

Bronze

Cast Iron

   Grade L (Plate Finish)

Grade L (Sanded)

Grade C (Sanded)

   Grade LYB (Sanded)

Grade L (Sanded)
Bronze

Oak

Steel (Fine ground Finish)

Steel (Fine ground Finish)

Steel (Fine ground Finish)

Steel (Fine ground Finish)

Bronze (Fine ground Finish)

 0.20

0.37

0.21

0.28

0.28

0.27

0.31

 

CHEMICAL EFFECTS
to typical commercial chemicals at 75 and 1,000 hours continuous immersion

                                                               

ACIDS
Boric (concentrate), Citric (concentrate), Formic (concentrate), Oxalic (concentrate), acetic (10%)

No Effect

Nitric (10%), Sulfuric (10%)
Hydrochloric (10%)

Some Swelling

Nitric (20%), Sulfuric (20%)

Swelling and Delamination

ALKALINES
5% sodium Hydroxide, 5% Potassium

Some Swelling

20% Sodium Hydroxide

Considerable Swelling

SALT SOLUTIONS 10% OR 20%
Zinc Chloride, Nickel Sulfate, Sodium Sulfate, Sodium Nitrate,
Sodium Carbonate

No Effect

SOLVENTS
Benzol, Carbon Tetrachloride, Acetone, Mineral Spirits, Parclene, Gasoline, Askarol, Inerteen, Ethyl Alcohol

No Effect

 

 


MECHANICAL STRENGTH

NEMA and
Fed Spec
L-P 509 
grade

 Flexural (psi)
flat, with grain		 Compressive (psi) flat, with
grain (minimum)

     (Impact ft-lb)
Edge,                   Edge
    with                    against
 grain                   grain
          

Rockwell
Hardness
(M-Scale)

Specific
Gravity
gr/cc

Water
Adsorption
1/8 inch %

Operating
Temperature
(conc) *F

l

 19,000 25,000 1.50 1.30 105 1.35 1.40 250

le

 18,000 26,000 1.40 1.20 108 1.35 1.40 250

 

 

PV CHARACTERISTICS
FOR GRADE "L"

PV= Pressure in PSI  x Velocity in Ft / min.

PV Ratings for various Bearing Materials

Polycarbonate      300

Polyurethane         600

Nylon 6 / 6            2,000

Fluorocarbon      2,500

Oiled Bronze       50,000

 


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