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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com 1 T& _% }4 O2 g3 G$ t$ A/ ~
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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 6 u9 D$ D- y! |/ }% B0 ?. h
存在於許多植物性油脂和動物性油脂中。 soap-diy.com / d0 a2 }  X8 h: Y5 Q/ k  \. A

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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%
5 G5 O  F( u+ X soap-diy.com ,但可可脂中的含量高達34%。 soap-diy.com * C. j( p5 F: D8 h- `' [8 j


. D7 [4 T. p$ x 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
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生產方式
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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。 soap-diy.com / t0 @# u7 f5 D/ O
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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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6 U* V  a; l- U. ^- k 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。
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+ `# u% F, `, ~$ m 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
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! N( v7 C) e  N2 b! G; Z0 s) i% O soap-diy.com 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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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。
& u. `7 l' Q+ C3 t& D 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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硬脂酸(三壓級) soap-diy.com ) c: G+ ~: r8 p: L4 p
STEARIC ACID

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2 G: \+ x  j& k' z* A: X soap-diy.com Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property: soap-diy.com . ]" d$ c* X9 C0 u2 v' V8 G, ?
Acid Value 酸值201-213 soap-diy.com 1 `% r- I' h! ^+ O( D0 R2 n
Sapon Value 皂化值202-214
3 r/ W  M5 ^3 X0 f3 m. ? soap-diy.com Iodine Value 碘值1.0max.
0 t3 X' g: h  L9 j0 P! g6 s6 z4 m0 w soap-diy.com Titer(℃) 熔點54-56
" \% r+ q; s6 ]5 o% v5 I soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com ' O% S3 Q) m7 W; t2 W
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Composition(in%) Approx: soap-diy.com ) ?# Z5 h' `8 w
C12(Lauric)& Lower1max.
& x1 ^1 w7 b6 h0 A soap-diy.com C14(Myristic)2max. soap-diy.com 5 g5 a: P  i) x8 V' O2 J
C16(Palmitic)68max. soap-diy.com # t- ]5 r9 f# n) z' B" p4 q% U4 G
C18(Stearic)30min.
! |7 }( z) e9 g  E$ v  d( @- b soap-diy.com C20(Arachidic)1max.
: l6 x8 J' |% [3 E soap-diy.com C18'(Oleic)1max. soap-diy.com 3 D; R, y$ s& O1 V2 D; e
1 X* z+ Y+ v- [% U  D7 U8 l- j soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
8 X$ B: w& S" C soap-diy.com Test Method:AOCS
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: C, r& N$ H9 P: P: j- _ soap-diy.com 硬脂酸(二壓級)
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STEARIC ACID soap-diy.com 0 X1 e$ X8 r0 w7 Z& C* X1 Z
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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Acid Value 酸值207-214 soap-diy.com   ^* v- m" a6 q
Sapon Value 皂化值208-215
% s/ b* }( X2 i soap-diy.com Iodine Value 碘值3.0max. soap-diy.com . P1 c* P% \, O* L+ N2 r
Titer(℃) 熔點53min.
3 G4 L: Z4 X) Q4 A$ g1 x soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com 9 p. |! }1 n5 [3 ~) h
5 J# N* d' z: P7 p2 ^2 O/ u soap-diy.com 8 ^0 [) I: i7 _0 m- F$ I soap-diy.com Composition(in%) Approx:
% U/ {, o2 v2 Q- I2 b0 @ soap-diy.com C12(Lauric)& Lower1max. soap-diy.com , G' M# J- T- F6 _6 a
C14(Myristic)2max.
  l, V$ ]7 |3 p soap-diy.com C16(Palmitic)70max. soap-diy.com 6 Z% g" |) ]$ I$ R
C18(Stearic)29min.
! S7 I; V  k" L, X% g  M soap-diy.com C20(Arachidic)1max. soap-diy.com - ]4 x5 x" B- l# V2 R" d
C18'(Oleic)3max.
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com 7 y6 z! T  ]6 ^8 a
Test Method:AOCS
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& c( D6 [: T& G9 D% j! }' C# W soap-diy.com 硬脂酸(一壓級)
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STEARIC ACID soap-diy.com 2 r: q; M9 S* p) M: n. t* J
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

; X3 y8 F- N8 u) |: @" F, e soap-diy.com 2 U/ G; l( B9 B5 Y; `8 A9 L! [& f soap-diy.com Property: soap-diy.com " X7 V6 Q4 q9 l
Acid Value 酸值185min. soap-diy.com ; g( ~7 {! g; z
Sapon Value 皂化值186min.
; E6 i/ f- {) @# ]9 w soap-diy.com Iodine Value 碘值10max. soap-diy.com / `: K+ u" V4 X' D! \. o
Titer(℃) 熔點50min. soap-diy.com * z4 s. g1 O! u" W3 {8 q
Colour(Gardner) 顏色7Gardner max. soap-diy.com ; ?: {+ W. p; D# _: h5 ^8 H soap-diy.com $ }& x' v  I  L6 M0 [: E
9 C5 m2 x. n8 v5 V; T soap-diy.com Composition(in%) Approx:
7 L* i; S; x3 s. P: }: [ soap-diy.com C12(Lauric)& LowerVariable
) |3 f9 f4 K+ L* { soap-diy.com C14(Myristic)Variable
9 u% f& T, p3 t9 U1 r/ q# |, Y soap-diy.com C16(Palmitic)Variable
4 J; |7 ^" W3 K soap-diy.com C18(Stearic)Variable
3 P" @+ h) ^6 Q8 q& K5 x+ @ soap-diy.com C20(Arachidic)Variable soap-diy.com 5 b& g4 {- F: A
C18'(Oleic)Variable soap-diy.com   s2 T3 a* ^: P% w4 Z soap-diy.com & @: g$ U  j; h6 D( w2 {; N
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
7 X$ W6 A# H1 {# ]" i1 j- H  v soap-diy.com Test Method:AOCS
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' f* w: Y* J0 w+ N! @9 Q soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID soap-diy.com 2 C" a1 ~. C' z% p
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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Property:
$ h3 P, J: ?9 z  o: I7 C4 P5 U soap-diy.com Acid Value 酸值200-212 soap-diy.com 0 B% B+ ?$ _  o3 n" i
Sapon Value 皂化值201-213
6 L" ^3 Y7 w+ V4 U soap-diy.com Iodine Value 碘值1.0max.
8 G& x- P# P: A( z5 c soap-diy.com Titer(℃) 熔點55-57
1 ]8 S! S1 X' @1 _5 l! g soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 4 _1 X0 h8 ~: ^3 m: U: p, z! } soap-diy.com 9 T4 R; f$ f4 u, x# ]* Q$ ^4 G6 _
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Composition(in%) Approx: soap-diy.com ! G+ l  M3 |  q( R$ ?- P7 _
C12(Lauric)& Lower1max. soap-diy.com ) q; M' L" n; T* }/ c
C14(Myristic)2max. soap-diy.com " f) S  [2 i/ R, _5 \2 Q
C16(Palmitic)60max.
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7 N3 i2 e9 R* M2 q" m" |; A soap-diy.com C20(Arachidic)1max. soap-diy.com ) Z% ~+ G; c2 @1 ^: ~
C18'(Oleic)1max. soap-diy.com 0 f% q5 ]( S7 r3 ]0 w" Y( R
- B8 B6 c- a; i8 b- x soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com 0 N1 q. F* `9 c4 F( c6 h
Test Method:AOCS soap-diy.com ' h6 |# Q1 n4 S4 E9 r/ q5 ]3 m


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硬脂酸(分餾三壓級)
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STEARIC ACID soap-diy.com ( O7 R* L) ~  L( I
Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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. T2 p# f( |0 V2 \! | soap-diy.com Acid Value 酸值198-210 soap-diy.com 8 v( Y0 V1 y0 m
Sapon Value 皂化值199-211 soap-diy.com 9 g# v6 S6 q) I1 G. p$ e
Iodine Value 碘值1.0max. soap-diy.com , ?8 \8 ]5 k5 F# o" ]
Titer(℃) 熔點55-58 soap-diy.com $ L8 W8 o; ]$ F5 _3 z: X4 E8 J1 y2 j
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx: soap-diy.com 1 U9 u- b+ e5 V
C12(Lauric)& Lower1max.
6 J! d8 L9 B0 |+ X  C soap-diy.com C14(Myristic)2max.
; u& o" ]! U, e4 w9 M soap-diy.com C16(Palmitic)53max.
: ?6 ?" X9 o* g$ s/ { soap-diy.com C18(Stearic)47min.
1 g. d" m4 z: y4 @1 h+ y' @# ?* B  }/ F soap-diy.com C20(Arachidic)1max.
3 l5 v, [2 @$ ?, C* [2 s/ @ soap-diy.com C18'(Oleic)1max.
+ ?' r, d6 f' p- y" C/ q soap-diy.com soap-diy.com 4 U- n0 E1 \+ [( m0 w, B3 }$ V& r
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
9 z4 E7 w) o/ p3 \3 x7 e soap-diy.com Test Method:AOCS
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硬脂酸(分餾三壓級)
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STEARIC ACID
! s# I; ~. l9 G- M' O' }" S soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property: soap-diy.com   U( _0 D2 _* g2 ?
Acid Value 酸值200-208 soap-diy.com ' C- A% Y# r2 O$ T1 {' j: V0 }. a
Sapon Value 皂化值201-209
! ~) x$ }9 d9 o; }. M" z soap-diy.com Iodine Value 碘值1.0max.
( v/ f  L; `) @# u, O, K soap-diy.com Titer(℃) 熔點57-61 soap-diy.com 1 |1 H$ J& r# o5 Y  E1 `$ \
Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com # [, V* q; P+ }" R soap-diy.com % U( s, t1 B# C7 g7 {
; U% m! `2 L. Y! U+ c soap-diy.com Composition(in%) Approx: soap-diy.com 2 S) U# K8 X, m' L3 `' k  j
C14(Myristic)0-1 soap-diy.com ) p* U- F# E3 ?* C% }
C16(Palmitic)30-38 soap-diy.com - Q) Q/ m! S1 e( P
C18(Stearic)62-70 soap-diy.com % V& T! \$ V0 R! o: V
C18'(Oleic)0-1
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) G8 {/ F/ M& g, a 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 ! D1 |, G$ z- Q& }, H
soap-diy.com ' n0 N) ^' e( B. R7 y& \
Test Method:AOCS
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