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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯)
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* o- C" B% q4 q# K soap-diy.com 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 0 C& h. _0 H8 l
存在於許多植物性油脂和動物性油脂中。 soap-diy.com 2 |) `% p+ ?$ F& r) q3 J

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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 " \  L6 Y" T7 h' d' P' l
,但可可脂中的含量高達34%。 soap-diy.com   F) H3 O" m. `4 k# h


% ~  u- C0 U' F; Y5 m 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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2 |+ O$ O& M$ P& q soap-diy.com 生產方式 soap-diy.com : U+ y3 [' @: O

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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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7 C+ H6 l  ]/ e& \3 t8 q, I soap-diy.com 硬脂酸在手工皂的應用主要是增加皂成品硬度。 soap-diy.com ; Y) V3 \8 e0 E0 H5 H+ _) [

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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 % n6 _6 S  h; {( V. M4 v/ R: Z


+ w4 G  [; S, h. a soap-diy.com 硬脂酸添加比例為3%~5%。
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( m# a1 R1 O- `5 r  j soap-diy.com 建議計算氫氧化鈉時,計入硬脂酸皂化價 soap-diy.com ; P' v4 K4 [: P7 @5 W+ q8 R6 t' [

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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 0 b0 Q6 I0 |" \4 h1 |* T  Z

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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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/ z. W, Z1 C: c' V/ E0 j6 t+ X: _ soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com * h/ D  }- T) |" T' \  q
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 g# }$ V0 g8 ]# r, _
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7 e$ }6 T# A9 a/ M soap-diy.com 硬脂酸(三壓級)
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STEARIC ACID

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

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Property:
% C( W: D# [( z1 A/ B+ ?% I3 f soap-diy.com Acid Value 酸值201-213
4 t# H9 l% H& Z% }! B+ U soap-diy.com Sapon Value 皂化值202-214
" h- G- M1 G* j# H/ e soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 1 j+ \' u7 X. Z# u) ^7 S7 T0 W
Titer(℃) 熔點54-56 soap-diy.com 4 `; D0 @7 e" x4 L! |% \, O9 ~
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
6 ]" G/ S) K3 t1 H" ^% X$ l0 x: _+ E soap-diy.com
7 i- g. G! \5 e" _8 t soap-diy.com / h/ z# O- z5 ~* m: y soap-diy.com Composition(in%) Approx: soap-diy.com + N1 G! G9 {$ c& Z3 B- D5 E
C12(Lauric)& Lower1max. soap-diy.com   ^- H8 j3 w6 M' W( b+ [
C14(Myristic)2max. soap-diy.com 1 ~0 Y9 W" P" N& D0 T# q( Z
C16(Palmitic)68max. soap-diy.com 9 S: u$ D; u+ T: f. ^
C18(Stearic)30min.
$ X1 v& F" e/ @2 H; S soap-diy.com C20(Arachidic)1max. soap-diy.com & a" `# T# Z. ^! x, ^0 ^
C18'(Oleic)1max.
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
! U+ w( K$ D5 b: M; r soap-diy.com Test Method:AOCS soap-diy.com $ O5 u& ^' Q5 j# [: b) w5 x! l! t


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硬脂酸(二壓級)
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STEARIC ACID
; A1 y! `% E# a+ Y3 S2 [. ^ soap-diy.com Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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9 J) w' k; \+ U. b3 T5 ~ soap-diy.com Acid Value 酸值207-214
* s+ S/ b5 q  V& E soap-diy.com Sapon Value 皂化值208-215 soap-diy.com * Y* A! C' r% A' ]2 h+ S8 y5 l9 X
Iodine Value 碘值3.0max.
4 n+ t, c" l9 @0 @3 y) A+ M4 n soap-diy.com Titer(℃) 熔點53min.
% }; q/ e+ j4 T  {5 S% [; h soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com ! [6 p3 W, D/ f& {: x# K8 x: O soap-diy.com 5 m7 S# O6 Z+ I8 R6 A) w
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Composition(in%) Approx: soap-diy.com 2 u7 E# T8 N# N% c/ J, M
C12(Lauric)& Lower1max. soap-diy.com ( r! I, w4 H6 l  i
C14(Myristic)2max. soap-diy.com 6 k  H3 F$ Z4 g# h
C16(Palmitic)70max. soap-diy.com ; p; I7 ]* `4 m* N3 n
C18(Stearic)29min.
8 L! ~. x8 o! W- L# E4 Q soap-diy.com C20(Arachidic)1max. soap-diy.com , M' W& B3 M4 `4 v  `
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 2 c* Z* ]6 }) g! Y2 d" C0 @
Test Method:AOCS soap-diy.com ( t) |% r& L0 R- U! ?, @  C( g) Q

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硬脂酸(一壓級) soap-diy.com / i: B* K5 @4 T+ J
STEARIC ACID
* P* o, r# u3 U7 B) G soap-diy.com Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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Property: soap-diy.com # V- a8 f" R7 e) q
Acid Value 酸值185min. soap-diy.com / x" E& {1 m  r+ U  J  x/ R
Sapon Value 皂化值186min. soap-diy.com ! U/ A8 o" X& M4 _7 y& v
Iodine Value 碘值10max.
7 ^- A4 B, [. p  s8 k- a soap-diy.com Titer(℃) 熔點50min. soap-diy.com + S# B( w- N0 P0 F: q1 {8 L
Colour(Gardner) 顏色7Gardner max.
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# `1 s5 n8 _- R5 l soap-diy.com C12(Lauric)& LowerVariable soap-diy.com 0 b: i. [: V- X. a  q' s) [
C14(Myristic)Variable
" J) W3 |) ?) i4 Y, f$ o soap-diy.com C16(Palmitic)Variable soap-diy.com   Q0 {9 H8 W& d8 D0 D/ c/ v
C18(Stearic)Variable soap-diy.com 8 L% w( h1 E/ a& x6 ~; A9 y
C20(Arachidic)Variable soap-diy.com 1 y6 b  V1 o. l$ _
C18'(Oleic)Variable
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; `$ L# h" E) x! A soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
$ I- p4 o6 |0 a0 Z soap-diy.com Test Method:AOCS
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硬脂酸(分餾三壓級)
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STEARIC ACID
% h# E: X0 _- _6 Z soap-diy.com Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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Property:
/ W" K* d! e* i/ R soap-diy.com Acid Value 酸值200-212
: |# Q- A/ K! h& Y, Y% ]: S soap-diy.com Sapon Value 皂化值201-213
; Q, j2 c0 h& C2 U3 U# h. W% Z% T soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 7 d9 @* \- P! D1 M2 ^$ ]4 ]3 u. h& l
Titer(℃) 熔點55-57 soap-diy.com $ y* D2 E, \1 N- S; N. H
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx:
! X2 k; D, U) p7 n! \ soap-diy.com C12(Lauric)& Lower1max.
% b4 K1 g9 g0 r soap-diy.com C14(Myristic)2max.
6 G3 J' n& [& x0 |6 C! j1 F: b) R soap-diy.com C16(Palmitic)60max.
. |* D8 [+ t. ^; G% O soap-diy.com C18(Stearic)40min.
0 l# @( o+ {$ m1 u1 W  v! U soap-diy.com C20(Arachidic)1max.
9 P9 r8 y# T9 i soap-diy.com C18'(Oleic)1max. soap-diy.com " Z+ A' N& z. q6 ?; C$ K  f- I
$ U6 E+ V5 _. l% Z% f1 R soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com : B) D" V' g1 L% j
Test Method:AOCS
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! C4 ~3 [, e  d0 K soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com - E; S' a: [" K7 v' i9 \2 H( e
STEARIC ACID
  z% Z( S) Z  I* W soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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" G3 ?2 K; [: ]7 O8 r' Y: n soap-diy.com Property:
, E  `4 l9 _( h: |' b soap-diy.com Acid Value 酸值198-210
* I3 n' z% g$ S: ^( h7 ] soap-diy.com Sapon Value 皂化值199-211
+ e  N& a) ?6 n* }' ` soap-diy.com Iodine Value 碘值1.0max. soap-diy.com   `0 B7 j% y1 `/ d! K1 f5 ~# w
Titer(℃) 熔點55-58
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Composition(in%) Approx: soap-diy.com 2 ?5 D/ o* K# x$ d! j! t" f. ]
C12(Lauric)& Lower1max.
& A9 H5 p9 x6 o7 x+ p( W% S soap-diy.com C14(Myristic)2max.
' {" Q9 F4 }( h7 w soap-diy.com C16(Palmitic)53max. soap-diy.com $ P+ H) P  t' j  D
C18(Stearic)47min. soap-diy.com   ^/ e. y3 y+ r( I
C20(Arachidic)1max. soap-diy.com ' Q. q) {4 g4 b# V7 N7 K5 B
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 , v9 v" L, t/ L/ S' e% C) \
Test Method:AOCS
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硬脂酸(分餾三壓級) soap-diy.com & _' w' F) R; E# M0 S, _. P! ]. |
STEARIC ACID
! h/ n- Y+ g6 b3 e, M/ {, m) m- \" y soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property:
0 }; H! f9 F5 y* l& n! { soap-diy.com Acid Value 酸值200-208 soap-diy.com 6 Y& Q& `2 A$ E; x
Sapon Value 皂化值201-209
  j4 e3 \4 b8 z% }4 t' ?' H& L soap-diy.com Iodine Value 碘值1.0max.
  e; v. g7 {8 s5 s4 I2 b soap-diy.com Titer(℃) 熔點57-61
# c! f1 c3 w& ]7 c# B soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com ( j) m; m/ h1 \4 q, B
. y8 \6 U6 N. M6 | soap-diy.com # a# R9 c, D: X& C. n$ N soap-diy.com Composition(in%) Approx: soap-diy.com 1 A$ r7 _9 e2 j
C14(Myristic)0-1 soap-diy.com 3 j& l1 D) |" q+ p/ Z6 M3 j
C16(Palmitic)30-38 soap-diy.com / a. i2 `. g8 a" S" s1 ?
C18(Stearic)62-70
% @; O4 m, @; R, r2 W soap-diy.com C18'(Oleic)0-1
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8 V* T. y& P2 O8 O 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
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9 b; K7 W7 g9 y. J, f3 \ soap-diy.com Test Method:AOCS soap-diy.com # P  r" K8 o: @% {2 H


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