立德粉简介：
立德粉是一种重要的无机白色颜料，主要成分：硫化锌与硫酸钡，色泽洁白，粉质细微，具有良好的着色力，遮盖力和耐候性。广泛用于油漆、涂料、油墨、橡胶、漆布、造纸、搪瓷、制革、塑料等行业。b301、b311为通用型产品。b02产品经有机表面处理，更适用于油漆。
lithopone is one of the most important white pigments，it main composition is zinc sulfide and barium sulfate，it possesses the properties of good tinting strength，hiding power and weathering resistance，it is widely used in paints，inks，rubber，plastic,etc.b301 and b311 are basic types，b302 through the surface treatment，more applicable to paint .
立德粉技术标准（gb/t1707-1995）
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项目
b301
b302
b311
优等品
一等品
优等品
一等品
优等品
一等品
以硫化锌计的总锌和
硫酸钡的总和%（m/m） ≥
99
99
99
总锌量（以硫化锌计）
%（m/m） ≥
28
28
30
氧化锌%（m/m） ≤
0.6
0.8
0.3
0.3
0.3
0.3
105℃挥发物%（m/m） ≤
0.3
0.3
0.3
0.3
0.3
0.3
水溶物%（m/m） ≤
0.4
0.5
0.4
0.5
0.3
0.4
筛余物（63µm）% ≤
0.1
0.1
0.1
0.1
0.1
0.1
颜色（与标准样比）
优于
近似
优于
近似
优于
近似
水萃取碱度
中 性
吸油量g/100 ≤
14
11
10
消色力（与标准样比） ≥
105
100
105
100
105
100
遮盖力（对比率）
不低于标准样的5%
lithopone technical standard（gb/t1707-1995）
ltems
b301
b302
b311
high
grade
lst
grade
high
grade
lst
grade
high
grade
lst
grade
total amount of zinc(calculated as
zinc sulpide and bar ium sulfate)%≥
99
99
99
total amount of zinc(calculated
of zinc sulfide).% ≥
28
28
30
zinc oxide,% ≤
0.6
0.8
0.3
0.3
0.3
0.3
volatile mater at 105℃,% ≤
0.3
0.3
0.3
0.3
0.3
0.3
matter soluble in watter,% ≤
0.4
0.5
0.4
0.5
0.3
0.4
residue on sieve(63µm),% ≤
0.1
0.1
0.1
0.1
0.1
0.1
color(than to standard sample)
high
similar
high
similar
high
similar
alkalinity of the a queous extract
neutrale
oil absorption value,
(g/100 pigment) ≤
14
11
10
achromic power(than to
standard sample)% ≥
105
100
105
100
105
100
hiding power(comparative ratio)
not lower than 5%of standard sample
湖南京燕化工有限公司
马喆
18975256789
湘潭县易俗河红燕山