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The Glass Resins was superior to the Ceramic product in abrasion resistance, hardness, impact and MEK resistance. It was comparable to Si coating in gloss, adhesion and chemical resistance.The XBH Glass Resins was superior to the Dow corning. OEM clearcoat in abrasion, flexibility via mandrel bend and impact resistance. It was comparable to the OEM clearcoat in gloss, adhesion, hardness,chemical and MEK resistance.

Commentary from: During MEK double rubs, the XBH Glass Resins exhibited a lot of lubricity where the MEK seemed to have no impact on the clearcoat (even after 1,500 double rubs). In my experience with automotive clearcoats, there is a certain amount of "drag" felt at the beginning or within 100 double rubs of the test. This "drag" was felt with the Si coating and Dow corning.  products. The same phenomenon was noted when attempting to write on the clearcoat

with a permanent marker. We were able to mark easily on the Glass Resins and Dow corning. products with ink pen and permanent marker.

Property

Units

700

724 730

Test Method

Cure Schedule ° 30°  150°F  
Glass Resin mils 1.8-2 1.8-2 2.1-2.0  
Gloss 20 °/60°

86.0/92.2

85.8/92.0

88.1/94.1

ASTM D523
Adhesion (A1 & B1) B /% 5 /100 ASTM D3359
Adhesion (A2 & B2) 0 /0
Pencil Hardness  H 6

F

4 ASTM D3363
Pencil Hardness - Gouge  B 4 3 2
Pencil Hardness - Gouge   After 24 Hr. Recovery 3 3 2
Taber Abrasion (mg lost 1,000 cycles 19.85 36.2 52.2 ASTM D4060
Impact Resistance  - Initial         ASTM D2794
Direct (inch-pounds) Fail/Pass 150 /140 90 /80 50 /40  
Reverse (inch-pounds) Pass 160 100 5
Impact Resistance -After 48 Hrs. 250 °F in/lbs       ASTM D2794
Direct (inch-pounds) Fail/Pass 70 /60 60 /50 20 /10
Reverse (inch-pounds) Fail 5 5 5
Flexibility per Pass 1/4 1/4 3/4 ASTM D522
Chemical Spot Resistance       ASTM D1308
 Sulfuric Acid 10% No Effect  
Hydrochloric Acid  
Sodium Hydroxide  
Ammonium Hydroxide  
Isopropyl Alcohol    
Xylene   Slight Softening Slight Softening

Slight Swelling

 
Xylene 24 hour recovery No Effect  
MEK    
Gasoline 87 Octane  
MEK Resistance (Double Rubs)   > 1,500 260 > 1,500 ASTM D4752







If you don't find what you're looking for, Contact Us. We may have a suitable product that's not listed, or we may be able to develop a material to fit your specific needs. Tel : (02)2217-3442 / Fax : (02)2704-4070
 

 

 

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