配方类型:

TEXTILE SPECIALTIES

配方说明:

Panama Hat Bleach

配方组成:

Denatured Alcohol/0.16
4. Submerge the hats for 1-10 days. The time will depend upon the
original quality of the straw and the degree of whiteness required.
5. From time to time test the pH of the bleach bath to make certain that
it does not drop below 6.4. As the products of the bleaching reaction
are weak acids, it is usually necessary to replenish the alkali
Sodium Pyrophosphate (anhyrous)/8 lb
Hydrogenated Rosin Ester/0.61
Calcium Carbonate/54.44
"Polybutene" L-14/10.70
Talc/7.25
"Albone" 35 Hydrogen Peroxide/5 gal
Aluminum Paste/2.54
Mineral Spirits/5.17
Sodium Acid Pyrophosphate/8 lb
Sodium Oxalate/15 lb
"Polybutene" H-1900/8.30
Water (100'F)/100 gal
Butyl Solution/7.69
Hydrous Silicate/3.14

配制方法:

In a sigma blade mixer use the following steps: H-1900 Polybutene and butyl solution are added and mixed thoroughly (10-15 min). Alcohol and the thixotropes are then added and mixed until swelling and homogeneity of the mix is obtained (15-20 min). CaCO3 is added slowly; if mixing becomes labored, add portions of L-14 polybutene. Mix to a smooth consistency (15-20 min.) Add talc and remainder of L-14; mix until homogeneous (15-20 min.) Add mineral spirits and aluminum paste; mix until thoroughly dispersed (5-10 min).