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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com . u4 \2 a# B9 f" T! T

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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 * ?# l7 v5 |3 S' s/ W  t/ ^, }
存在於許多植物性油脂和動物性油脂中。 soap-diy.com   O0 [2 i3 X. f, Q% l- h1 b$ w$ ]


" N6 P- ^6 p/ I$ _, y- [ soap-diy.com 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 9 n) C( j# n, h9 h/ k+ Q( g! f
,但可可脂中的含量高達34%。
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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 / R! l1 h4 f2 s" o6 [3 g4 D" p

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生產方式 soap-diy.com 2 Z1 T  w- Z" E# d7 k* x3 R. n: @

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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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, a- \1 ^* {9 Y! `4 t soap-diy.com 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 # J* \+ B1 ^8 |# C1 A& r. s


0 g$ y9 |- j! r2 n! l soap-diy.com 硬脂酸添加比例為3%~5%。
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建議計算氫氧化鈉時,計入硬脂酸皂化價 soap-diy.com ( R0 L* z1 C3 u; T6 ]& K4 z; \1 v

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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。 soap-diy.com 1 M3 o- ]3 @& q

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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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- |& w+ }& y, s7 d! H 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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* P; c  d9 X7 F soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。
) z0 g: l2 S' `6 U7 ]7 |4 h" m 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。 soap-diy.com 9 y+ V& S8 g# w2 x; ^9 z

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硬脂酸(三壓級) soap-diy.com ( g  `; a$ T8 K+ g
STEARIC ACID


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0 o% j& F! ^% F6 F3 C8 j7 P soap-diy.com Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property: soap-diy.com 3 w( h( M- L4 {% D. q7 ~
Acid Value 酸值201-213 soap-diy.com ) v: Y6 o8 L, N6 ^1 n
Sapon Value 皂化值202-214
% b% U+ p1 O. f3 |' `5 k: T' a soap-diy.com Iodine Value 碘值1.0max.
7 L+ v$ K' g/ @. ` soap-diy.com Titer(℃) 熔點54-56 soap-diy.com . i! h& {4 I; |
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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* Q2 \4 k& D. ^* z, e, B soap-diy.com 9 K9 V* `8 v8 V5 t* i3 J* J soap-diy.com Composition(in%) Approx:
6 A# f7 I3 s9 n$ |3 m soap-diy.com C12(Lauric)& Lower1max. soap-diy.com , x% d; I1 r/ f1 h/ {- j
C14(Myristic)2max.
$ t. `, }3 A; f( @ soap-diy.com C16(Palmitic)68max. soap-diy.com ) l+ a7 @- q3 T1 a: H
C18(Stearic)30min. soap-diy.com . _! D/ E' p; I% J0 {( c
C20(Arachidic)1max. soap-diy.com ! ~$ v) W6 D" P" A9 m
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 * S: Q8 R, y: \5 D
Test Method:AOCS
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3 y& C( J. u" Z& [3 ^. q9 i1 b  M soap-diy.com soap-diy.com ' m7 I" f& u! ]# i
硬脂酸(二壓級) soap-diy.com . ^: T5 _4 ]# B+ z3 k
STEARIC ACID soap-diy.com 9 o7 j) |7 i- i8 Q
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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3 `8 w5 @. E, y% k, ]4 f soap-diy.com Property:
+ r* s( J: o/ V, E soap-diy.com Acid Value 酸值207-214
$ Q- L5 k$ O& ^ soap-diy.com Sapon Value 皂化值208-215 soap-diy.com # U) ], `4 h1 `
Iodine Value 碘值3.0max. soap-diy.com   D- K2 D, r7 Y* H
Titer(℃) 熔點53min.
9 y( L& t1 Z9 B5 | soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com 8 A, e- Z5 {1 E. h7 g* ?8 u* ]
% F, p; ?, n; L9 k4 K8 F. e soap-diy.com soap-diy.com , H( m( S- M. D! R) E0 H
Composition(in%) Approx: soap-diy.com 5 D- B  j# U' L7 d# k3 x/ }
C12(Lauric)& Lower1max. soap-diy.com 1 N) z& C' Z8 m
C14(Myristic)2max.
6 f" R! j) [2 j& ]" s7 F7 R/ B) h soap-diy.com C16(Palmitic)70max.
3 a' w2 L/ U3 i2 Z' Y+ p! a, i2 T" B soap-diy.com C18(Stearic)29min. soap-diy.com % M8 X; ]1 s& j1 u9 }' ?9 K0 ~
C20(Arachidic)1max. soap-diy.com 8 e3 C  H. O- n5 j' z8 c6 Q
C18'(Oleic)3max.
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* k( l/ ]6 _1 V) W soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com 9 I% O: x) s% O' p; `; h2 W
Test Method:AOCS
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5 z; _( d. H/ @' } soap-diy.com 硬脂酸(一壓級)
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STEARIC ACID
. E! R8 P* A: P. z soap-diy.com Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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Property: soap-diy.com 4 ~6 v# \+ w. Q9 f
Acid Value 酸值185min. soap-diy.com 2 ]& x! Z/ [/ u7 K; |2 k
Sapon Value 皂化值186min.
, Z; Z7 l* d7 X  ~/ A& E soap-diy.com Iodine Value 碘值10max. soap-diy.com + g* Q; l9 S9 C1 b& w6 E% W7 N( a
Titer(℃) 熔點50min. soap-diy.com ) z7 y6 ^: A( P
Colour(Gardner) 顏色7Gardner max. soap-diy.com % W* y- _  f1 T1 ~5 N
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Composition(in%) Approx: soap-diy.com % s. W: ], p, p
C12(Lauric)& LowerVariable
+ O( v0 U; e+ p0 {$ D soap-diy.com C14(Myristic)Variable
' a9 h. ^0 }$ R( `& \3 }4 C& P; n soap-diy.com C16(Palmitic)Variable soap-diy.com ( k" E) Q" w5 R+ p6 N( u7 j
C18(Stearic)Variable
- T: N5 ~- Z3 v1 [& o, S) S  Y soap-diy.com C20(Arachidic)Variable
7 R3 w  V4 E$ V0 {0 t soap-diy.com C18'(Oleic)Variable soap-diy.com ' S+ v4 v7 Z9 t: Z% Z9 y1 \
. D3 x* q9 S9 k  s; @  ~ soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com 6 K- ^& t% S  {
Test Method:AOCS
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硬脂酸(分餾三壓級) soap-diy.com ; q# Y9 t8 y9 e& U# d
STEARIC ACID soap-diy.com 7 z6 p& ?. r7 K5 [, w
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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9 C* q2 u3 M4 ?$ E& J# c6 n, u soap-diy.com Property: soap-diy.com ) L" Z8 t  C" h: g. M
Acid Value 酸值200-212
+ w" `; q8 F1 @& Z6 }4 q soap-diy.com Sapon Value 皂化值201-213 soap-diy.com $ |, R& y! y0 ]; q5 c5 i3 w
Iodine Value 碘值1.0max. soap-diy.com 4 E& N0 B# u* Q& f  T
Titer(℃) 熔點55-57 soap-diy.com . h) @0 y  X. N( p( {7 Q
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com ; a& s) U2 h+ J0 Z# W* s2 `( L0 q soap-diy.com 4 y& f9 j$ o7 a" f0 f  Z3 E
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Composition(in%) Approx: soap-diy.com & ~+ v9 \, A5 k/ Y/ q( ?+ Z
C12(Lauric)& Lower1max.
3 F' U. h9 ~: D soap-diy.com C14(Myristic)2max.
/ t% [* i0 e' T  M soap-diy.com C16(Palmitic)60max.
2 {. y6 c% G" _7 H soap-diy.com C18(Stearic)40min. soap-diy.com ! s% d: E1 u- F$ @* k+ V8 v
C20(Arachidic)1max.
1 L( L/ \9 Q9 f% ]: j soap-diy.com C18'(Oleic)1max.
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Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
* _5 f* n" X3 R6 z" T soap-diy.com Test Method:AOCS
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  O1 Q  _+ ?9 L& v0 T soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com 5 x, u8 j) z6 ]! a1 Z
STEARIC ACID soap-diy.com 6 Q, a" E: }5 t7 X
Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Acid Value 酸值198-210
2 w9 G* }8 t) W& ~3 C* l4 D soap-diy.com Sapon Value 皂化值199-211
& t# d( }) X1 ~/ E& E2 s* h* T soap-diy.com Iodine Value 碘值1.0max. soap-diy.com ( `, t$ v5 G& v8 o5 c4 e0 M; p* o
Titer(℃) 熔點55-58 soap-diy.com 5 l# u1 [7 ^- g0 ]. Z# s
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com   z5 l5 T$ x4 \3 F& }. X soap-diy.com $ n: |3 G3 q' Y0 |; V; Q" r- q/ g
4 w' u* F8 g# k8 l) ^ soap-diy.com Composition(in%) Approx: soap-diy.com ; K2 I: t$ d( R. I
C12(Lauric)& Lower1max.
0 c) z0 M2 B+ S soap-diy.com C14(Myristic)2max.
' m8 u8 f6 z) { soap-diy.com C16(Palmitic)53max.
3 i% N9 W. h4 f1 K( ~. s soap-diy.com C18(Stearic)47min. soap-diy.com 7 v8 h  D' Z# K- a
C20(Arachidic)1max.
" d$ i# B' Q' U' ~3 f4 d soap-diy.com C18'(Oleic)1max.
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Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
6 p5 Q3 \) Q. d: y0 ]3 C, u$ X soap-diy.com Test Method:AOCS soap-diy.com 3 ?. z/ ^( V+ ~7 V$ g. {

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3 g' |) m7 C& D. a soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com - R2 h& _9 q; y4 B
STEARIC ACID soap-diy.com 3 `# A: P9 S/ n7 I+ W- K
Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Acid Value 酸值200-208
3 q5 q5 b! J) m1 X soap-diy.com Sapon Value 皂化值201-209
* I1 O- b" m3 g( `3 v# l: ^- ?* K soap-diy.com Iodine Value 碘值1.0max.
* R. M8 a8 L% G7 U9 }" @ soap-diy.com Titer(℃) 熔點57-61
# h! U( U* C" r" Q soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com ; L+ g$ t+ h& t1 j
6 I7 U2 ~3 o  }* b2 h! a soap-diy.com soap-diy.com % v% B" s$ D3 Z2 E8 f
Composition(in%) Approx: soap-diy.com - t# b, G) B: L% l8 J
C14(Myristic)0-1 soap-diy.com : V! N+ g1 c9 I) \/ \7 O+ D' g
C16(Palmitic)30-38
4 D% ~/ N( X# g6 B soap-diy.com C18(Stearic)62-70
1 Q2 R: k: j3 t  | soap-diy.com C18'(Oleic)0-1
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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   w9 A& k6 C% n

  G: T, a) p) n4 n7 d4 O% p soap-diy.com Test Method:AOCS soap-diy.com 3 W9 r- Y* U4 M2 B/ h/ V

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