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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com ( }: L5 s3 ~& J5 p3 K3 S5 T( U

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很少單獨存在於自然界裡,並非化學合成物,常以甘油酯的形態存在,硬脂酸在自然界的分布很廣, soap-diy.com ( A3 }6 C/ z4 M9 |- k5 ~7 O; `
存在於許多植物性油脂和動物性油脂中。
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動物脂肪中的含量比在植物油脂中的含量要高,如牛油中的含量可達24%,茶油為0.8%,棕櫚油為6% soap-diy.com % m6 |! x# W1 C3 h
,但可可脂中的含量高達34%。 soap-diy.com 5 v9 I, i$ \- w


' H: g- L' B% f( S6 h$ w; U6 `" q soap-diy.com 硬脂酸實際上是45%硬脂酸和55%軟脂酸的混合物,並含有少量油酸,略帶脂肪氣味 soap-diy.com 9 t/ F* x8 {# d* K) _/ U


, x$ r" h' f/ q+ u/ j( K& z# K soap-diy.com 生產方式 soap-diy.com # a% o$ H8 `' d  A" d
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動物油與水在高溫高壓下反應,使甘油三酸酯水解。不飽和植物油與氫氣加成得到。
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硬脂酸在手工皂的應用主要是增加皂成品硬度。
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添加硬脂酸的手工皂成品,有刺激皮膚的可能性,也比較容易阻塞毛孔。 soap-diy.com ; w, m" Y, _( V! S9 N$ m

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硬脂酸添加比例為3%~5%。 soap-diy.com ' Z- l+ o- l1 @* b# I3 ^

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建議計算氫氧化鈉時,計入硬脂酸皂化價
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添加硬脂酸方式,純硬脂酸融點69.4度,可先與耐熱油脂熱融,如椰子油棕櫚油,一起加熱融好,再跟其他油ㄧ起融鹼。
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根據皂友心得:如沒併入一起計算ins值,可將計算後約INS90的手工皂配上3%硬脂酸,就可有理想的硬度。

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; ^# F9 G4 E) T( }/ \  J9 s( A soap-diy.com 詢問商家的硬脂酸是那一種等級,應該是要買化妝品級的硬脂酸,購買三壓等級。
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硬脂酸在手工皂的功能是增加皂的硬度。
- D+ L& j. \! _' u soap-diy.com 操作方式 : 可先與耐熱的油一起熱融後再與其他的油一起融鹼,如融鹼後才加入,會加快Trace,需小心有假
Trace情況發生。
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- }1 Y' a! A. H4 C soap-diy.com 硬脂酸(三壓級) soap-diy.com 7 ~; o% b  C: K) u3 B- Z
STEARIC ACID

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Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

$ I. v2 ]! G2 N9 J0 e8 t5 _/ V soap-diy.com ' {- k  v; h5 } soap-diy.com Property:
7 [2 ]" e* t6 L9 a5 h* P  t; Q soap-diy.com Acid Value 酸值201-213
% }% B7 ~0 J- q: t* `& P# p+ m; T soap-diy.com Sapon Value 皂化值202-214
* }, Y1 ^" l& K% N9 b soap-diy.com Iodine Value 碘值1.0max.
+ d$ k( t* ~! X) V% {1 N7 W soap-diy.com Titer(℃) 熔點54-56
# {0 l$ @" E# V7 p$ b: G9 Y0 L soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com ; C6 \8 F7 x* y  e: b5 H
/ f; y5 n  i) c- Z soap-diy.com % u4 ?: c& p- f9 l' }* w: T soap-diy.com Composition(in%) Approx: soap-diy.com " a6 H) ]4 B: u' ~6 N) z" ^9 g) r! ^
C12(Lauric)& Lower1max. soap-diy.com $ \+ x" C1 [+ ?) {0 c* W
C14(Myristic)2max.
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C18(Stearic)30min.
$ W) J) Q' G! k! k; ` soap-diy.com C20(Arachidic)1max.
1 `, \/ y5 h# X% M  D! E soap-diy.com C18'(Oleic)1max.
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) s2 h9 j6 P% g; C# F2 h8 Z soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
1 Z' S7 }5 w! ^  d0 n3 M soap-diy.com Test Method:AOCS soap-diy.com   D' B- {) T& H3 E+ H4 m


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2 f) I2 e3 ~4 h1 {2 y3 y7 Y( K soap-diy.com 硬脂酸(二壓級) soap-diy.com 8 Z' j( Z1 ^" U0 D, E* m
STEARIC ACID soap-diy.com ; T& T- u) t1 L/ s% e+ r" |2 L; o$ [
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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Property:
8 t  |0 p( N4 Q: _ soap-diy.com Acid Value 酸值207-214 soap-diy.com 4 O+ k: K. m6 v( y0 G6 B
Sapon Value 皂化值208-215
  B/ e! Z5 `3 A- c0 Q. p. Y( m# d soap-diy.com Iodine Value 碘值3.0max. soap-diy.com 5 E7 j6 F* n) C# h
Titer(℃) 熔點53min. soap-diy.com ) S( r  u1 m& y: O: H4 M$ i+ U8 V& b
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com ' p6 g! @- N$ L. J8 z
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Composition(in%) Approx: soap-diy.com * _+ J2 a, e8 V, V' h2 r
C12(Lauric)& Lower1max. soap-diy.com ! s1 x5 E# ^$ k6 {
C14(Myristic)2max. soap-diy.com ( M+ `" i" j3 @4 R' A! @
C16(Palmitic)70max.
5 K1 X- K  X" `* D8 Z1 L soap-diy.com C18(Stearic)29min. soap-diy.com - R! W- H6 d7 [/ v: L+ N: B7 ~
C20(Arachidic)1max.
3 b+ Y% l1 W9 C: r" B/ R1 C1 y soap-diy.com C18'(Oleic)3max.
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! f: J5 S/ [( G0 H2 h5 e+ j! |( N, m% j soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com   C0 k* @2 T' v
Test Method:AOCS
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硬脂酸(一壓級) soap-diy.com * v5 n/ H" t! J
STEARIC ACID soap-diy.com 6 ]& G* v& {2 W
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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Acid Value 酸值185min.
$ f8 z4 x5 [# b; x soap-diy.com Sapon Value 皂化值186min.
# i/ j0 \/ }$ [  h soap-diy.com Iodine Value 碘值10max. soap-diy.com - H; @) h, O/ Q
Titer(℃) 熔點50min. soap-diy.com ; X- i% |$ o2 m  b/ I- O$ V
Colour(Gardner) 顏色7Gardner max. soap-diy.com 3 a  X: U, l; `; h1 s
6 [. m$ `: r  ]# a soap-diy.com 8 p! ^- u1 l5 v% S, h& f soap-diy.com Composition(in%) Approx:
& f; A* }$ n, [- R) M soap-diy.com C12(Lauric)& LowerVariable soap-diy.com " X: O% ~7 u+ m6 J% j/ a# @
C14(Myristic)Variable
7 D0 R) U' J  M# s soap-diy.com C16(Palmitic)Variable
; k0 H  |" o4 S/ _; }7 q' M8 T soap-diy.com C18(Stearic)Variable soap-diy.com ' w/ P! C& Y% \- R7 e
C20(Arachidic)Variable soap-diy.com 9 W# }2 s. d8 l/ p
C18'(Oleic)Variable soap-diy.com % I6 f' P8 W4 M% _6 r5 Y! w, k1 \- N) l soap-diy.com * L6 h" E! m) V$ q8 ]
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com 5 m* {" U4 q  \  c% k9 ]
Test Method:AOCS soap-diy.com 7 b4 C, W" o$ Y4 q+ @


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硬脂酸(分餾三壓級)
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STEARIC ACID
. R; l0 c/ A. O% z1 ]. E soap-diy.com Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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, W8 [+ }7 I5 @6 X/ v: ^- w soap-diy.com Property:
4 w+ B" Y1 a8 b" |3 e soap-diy.com Acid Value 酸值200-212 soap-diy.com ' J0 m( Z- P6 }! ^8 A, S
Sapon Value 皂化值201-213 soap-diy.com ( ^( l" o5 u; G) L- n2 }8 X
Iodine Value 碘值1.0max. soap-diy.com 4 I& m8 R) ]3 o/ {7 p
Titer(℃) 熔點55-57
. V7 r" ^: s' g0 p/ k soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com   f" c' q, v5 L5 J0 M: R" V
3 Y8 u* J4 k. x+ S. J2 [& \ soap-diy.com soap-diy.com % d! S) C: ~9 X( F
Composition(in%) Approx:
& }( B3 H# |4 y1 u; `+ U soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 2 K4 ^4 O: A3 O8 {* Z; w: X8 _
C14(Myristic)2max.
% g$ y$ Y; X5 q0 M9 |9 N, i soap-diy.com C16(Palmitic)60max.
4 E; c, L; I7 K1 S/ I9 f soap-diy.com C18(Stearic)40min.
1 Z/ |" Q( |: w" Z( g$ W soap-diy.com C20(Arachidic)1max. soap-diy.com , X8 d* ?; \& s" Q- S2 ~
C18'(Oleic)1max.
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Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com ' X% d8 ^* x: V& c9 k( g
Test Method:AOCS
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9 O+ Y, O) m5 X" ^ soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID soap-diy.com & n1 {- _2 _9 X3 j
Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Property:
2 ?& n4 H; u1 Y' m% P3 ` soap-diy.com Acid Value 酸值198-210
5 M5 F9 `0 T6 _% ]& q: \  z9 b- @2 L soap-diy.com Sapon Value 皂化值199-211
* x7 x" X& t. U2 m; P  a2 r8 x1 Q soap-diy.com Iodine Value 碘值1.0max. soap-diy.com , I, @" e6 n6 w$ ]+ o# G; V0 j
Titer(℃) 熔點55-58 soap-diy.com ' i/ u1 ~* L, t. F
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 5 H: E* v5 Y  L. ]- o. a soap-diy.com : k& s: w/ q1 S: N* J- C
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Composition(in%) Approx: soap-diy.com ' S7 j6 I& B; x7 U5 e' |1 X
C12(Lauric)& Lower1max. soap-diy.com 0 O, x" [/ }7 ~, W  h4 b
C14(Myristic)2max.
: i) x  P2 R; T soap-diy.com C16(Palmitic)53max.
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C20(Arachidic)1max.
$ {2 g' R0 G5 S% O) W soap-diy.com C18'(Oleic)1max. soap-diy.com $ T& r- h5 ]6 J; n soap-diy.com # O# l  D: `5 B" P* \* r  C" ~* p7 k% G' R
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
2 u7 b) q2 T, J$ X2 F! F  t) N soap-diy.com Test Method:AOCS soap-diy.com & Z! o' c% Y1 d" t- Y

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, B/ n- g6 f, a7 Q$ ?/ N soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID soap-diy.com + }1 S5 i- X$ `/ K; q; U
Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Acid Value 酸值200-208
& z" z3 l* U) R# B( W8 S1 z soap-diy.com Sapon Value 皂化值201-209
) Z6 c) g' x4 N0 y( \! v soap-diy.com Iodine Value 碘值1.0max. soap-diy.com / l4 S# ~9 ?2 T5 N7 S' }8 R- D
Titer(℃) 熔點57-61 soap-diy.com 1 O& p9 S9 A$ {: l$ X- L9 @- q* v
Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com " ?* t" d' F: f soap-diy.com ' F8 [; O( c3 D+ Q9 M
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Composition(in%) Approx:
/ q/ u4 O+ O% U; a4 m+ O3 F4 b soap-diy.com C14(Myristic)0-1 soap-diy.com   K# v% }0 k3 `! N* p
C16(Palmitic)30-38 soap-diy.com + e/ j! g" [/ B$ w2 ]6 {9 h
C18(Stearic)62-70
) v) }; h1 w8 G soap-diy.com C18'(Oleic)0-1 soap-diy.com 1 ?/ q; b# L4 D. V- A) C/ C
: h4 `) E- z% B9 [9 R& B soap-diy.com Standard Packing: --20kgs net.in multiply kraft paper bags --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com 8 D6 e4 E$ r: |* y
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Test Method:AOCS
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