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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com + X' E# q* l, L% X, I

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8 n2 b7 z: |9 x0 q 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,
- X. G: k, A1 w0 { soap-diy.com 存在於許多植物性油脂和動物性油脂中。 soap-diy.com % @' R. K1 q. A0 g, u* Y& l

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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%
0 ^  X5 y3 _) o" p/ `% n soap-diy.com ,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 ' }. P5 n: O8 A* h! g  N


# d$ o/ v7 g2 \ soap-diy.com 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 5 P! B) g0 J% A& ]5 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。 soap-diy.com 1 b: r+ ]+ X4 D0 _; N/ L! D% z


' |% ]# S( J, ?% ` 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 ' Y# Y& @. x4 z, g1 a

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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 # W5 l4 u* D' Q8 B; Y2 {: A+ U$ c


5 B* z5 D1 E& l+ X" K 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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& [& g% T( S1 V  ^ soap-diy.com 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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, j. n6 S0 ^  p# Q4 h- _) s9 X soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com $ I, K8 k7 [  r) }% y
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 ! X& f' i& k) g5 n6 I: u

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硬脂酸(三壓級) soap-diy.com 6 T" n2 I7 }- O8 }* }; Z
STEARIC ACID

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

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Property:
$ u+ x+ o/ ^) }8 r4 O: O  V soap-diy.com Acid Value 酸值201-213 soap-diy.com " E/ r+ a/ ~+ b9 P. j+ Z7 Q
Sapon Value 皂化值202-214 soap-diy.com + N! q% M" x+ R4 }. D; V
Iodine Value 碘值1.0max.
6 W, c) Q3 Z8 U1 ^ soap-diy.com Titer(℃) 熔點54-56 soap-diy.com : M( Z% x& a  \9 }3 v, t
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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' ]2 K2 X2 G/ p/ W0 { soap-diy.com ; s. l, ^1 x/ h0 n" r$ r soap-diy.com Composition(in%) Approx:
4 v* a1 x  u* a% E1 G( }. j: O soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 0 k3 b* \, _! o7 c- a- V4 v4 q& W
C14(Myristic)2max.
' }- B2 E- ^4 a1 s1 x. {6 [3 ` soap-diy.com C16(Palmitic)68max.
# ?  r+ t( i3 }6 W soap-diy.com C18(Stearic)30min.
2 Z! i3 ~- n% ~5 ~, @ soap-diy.com C20(Arachidic)1max.
2 o4 ]! Z) K7 {/ ~7 w5 g) J soap-diy.com C18'(Oleic)1max.
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% c" p3 x7 d" a$ K4 ? soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
- v4 l) K% b( [' D2 S1 m7 a) N soap-diy.com Test Method:AOCS
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硬脂酸(二壓級) soap-diy.com   A" Y6 z  f4 a, Y6 t2 @( r+ l7 z* Q0 U4 \
STEARIC ACID soap-diy.com 8 l8 z! j+ h  {* X* P
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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( j+ X! Y7 t) ~* i. A: d- ~3 E, n% ?5 V soap-diy.com Property:
! X! x' C# l1 U$ y soap-diy.com Acid Value 酸值207-214
) M# `4 T+ Y# K) [ soap-diy.com Sapon Value 皂化值208-215
' }1 ~; |$ o$ O* b& j$ t soap-diy.com Iodine Value 碘值3.0max. soap-diy.com 5 E$ Q2 G) t3 c7 B; L
Titer(℃) 熔點53min. soap-diy.com ! G+ D8 J- B) f' F5 j  X# F' T
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com   T7 G, y0 @. `; W, F( V' P# @ soap-diy.com * f4 W6 p! K; N2 Z0 Y5 k
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Composition(in%) Approx:
- U$ {8 [/ X& q soap-diy.com C12(Lauric)& Lower1max. soap-diy.com % [5 e2 c& ]! q% m6 q  v  E% X% m
C14(Myristic)2max. soap-diy.com & W: i" r: J7 C3 u
C16(Palmitic)70max. soap-diy.com ! Y% Y7 D8 j# B( T0 Y" E! K
C18(Stearic)29min. soap-diy.com ( O, Y% @- M( S$ ^
C20(Arachidic)1max.
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
3 g3 d6 \4 R: ^ soap-diy.com Test Method:AOCS soap-diy.com 9 ?9 W, u" w! z9 n

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硬脂酸(一壓級)
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STEARIC ACID
8 g4 Z) [# ]2 X4 `0 S& z8 j soap-diy.com Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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Property: soap-diy.com 4 A- U, r4 s$ S8 I# @- A$ u9 X$ o
Acid Value 酸值185min.
: @( Y- W; g& b" n& a; L soap-diy.com Sapon Value 皂化值186min. soap-diy.com * i0 g) P* |- @. p
Iodine Value 碘值10max. soap-diy.com 3 ^8 A2 c8 K( L, _7 t$ _% i/ P
Titer(℃) 熔點50min.
8 ]) e. F1 \% m$ r6 j! S- c$ | soap-diy.com Colour(Gardner) 顏色7Gardner max.
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Composition(in%) Approx:
& Y' m0 k2 ?& h2 C2 B soap-diy.com C12(Lauric)& LowerVariable soap-diy.com $ j& x3 K4 P- ]0 M" Q
C14(Myristic)Variable soap-diy.com + X/ A1 `  L. U5 t; q8 _4 l
C16(Palmitic)Variable
& g6 N* X6 X" ]% ?7 p soap-diy.com C18(Stearic)Variable soap-diy.com 2 e5 k# S9 a( t0 G) c
C20(Arachidic)Variable
) B% C. I+ s8 d" }/ B soap-diy.com C18'(Oleic)Variable
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
; h$ N9 n1 s' c/ U2 S+ V. U( w+ E soap-diy.com Test Method:AOCS soap-diy.com & ~3 E' X4 v7 E- V: o# {


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硬脂酸(分餾三壓級) soap-diy.com ! b! E0 u4 X- o. }
STEARIC ACID
/ L9 f( O# K1 l6 \4 Q soap-diy.com Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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5 x" q$ i% E* _% K soap-diy.com Property: soap-diy.com & y) A$ p3 P* g9 ]
Acid Value 酸值200-212 soap-diy.com 6 P0 W2 `* R2 H7 @6 o
Sapon Value 皂化值201-213 soap-diy.com , b4 v) ^+ v( @5 \# F# d# N4 S
Iodine Value 碘值1.0max. soap-diy.com : ^0 \7 p& `1 q! Q5 Y6 E8 H) [
Titer(℃) 熔點55-57
( R$ ~+ h4 j: I: K soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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9 g0 @- p5 ?! X soap-diy.com soap-diy.com ( ]9 @& @7 N% P) M5 J; g4 `
Composition(in%) Approx:
% i, [- I. j8 ?. X- {& X: o1 W soap-diy.com C12(Lauric)& Lower1max. soap-diy.com # y/ m; K5 q/ Z1 V# q
C14(Myristic)2max. soap-diy.com ( k( n8 x& k3 k0 c  {. e
C16(Palmitic)60max.
$ F7 E/ V5 i$ n4 }5 B1 I6 m soap-diy.com C18(Stearic)40min. soap-diy.com " C* T2 P9 L- R; O
C20(Arachidic)1max.
$ f- k( k( }) S0 R( h. }9 \; A* T soap-diy.com C18'(Oleic)1max.
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# v4 N" j1 Y' U# _ soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com ; k; R& D, y3 Z( ?; Z* k' ~7 Z
Test Method:AOCS soap-diy.com , e# u+ l0 G- W) z/ W: m2 T# W7 {


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硬脂酸(分餾三壓級) soap-diy.com # L& {& @9 m( v2 D: j
STEARIC ACID
. |# {% w8 b' I5 g soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Acid Value 酸值198-210 soap-diy.com ! s& U% a9 Q9 W" n5 D) U+ l" [
Sapon Value 皂化值199-211
( |/ K0 T, l2 a: V. {2 n soap-diy.com Iodine Value 碘值1.0max.
" G9 i3 [9 M) x! ] soap-diy.com Titer(℃) 熔點55-58
& E# V2 ^& K, N& n soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
# n3 W9 j5 H/ s: Z' b& V soap-diy.com
+ B! |) O+ s3 {, O soap-diy.com 4 s/ _2 _2 J9 f4 K soap-diy.com Composition(in%) Approx:
" G! I+ ?6 h' ~  r( Q" ^' l0 E soap-diy.com C12(Lauric)& Lower1max.
; P1 X- x# }: f( D! V soap-diy.com C14(Myristic)2max.
9 b+ P$ v9 k  R- s* q0 M soap-diy.com C16(Palmitic)53max. soap-diy.com 6 O5 `+ y7 q- l9 ]$ [0 U
C18(Stearic)47min.
6 C/ o& I: q0 \, c' n3 h* F: }2 u soap-diy.com C20(Arachidic)1max. soap-diy.com ( \" E2 D" K0 \% P& Y7 G2 e3 `% |
C18'(Oleic)1max. soap-diy.com / Z8 G( Y* ?* k  M soap-diy.com * B1 i, M9 z  C9 \" }
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
$ x/ I0 ?' H9 v& F/ |" k2 m1 j soap-diy.com Test Method:AOCS soap-diy.com 3 e8 o+ R0 `: @7 h


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! u& C* ~9 ^1 S/ ? soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID
8 ]3 K% V' O7 P" C! \; M8 y; K soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property: soap-diy.com ) D9 N/ j5 B7 N; i& I$ Q; H
Acid Value 酸值200-208 soap-diy.com & G5 u/ L) e3 v1 b* H% A
Sapon Value 皂化值201-209 soap-diy.com + [/ @* D' {7 W" ?6 L6 F' t# Z: X
Iodine Value 碘值1.0max. soap-diy.com & m( t; g. Q# W( ^; O5 i& s
Titer(℃) 熔點57-61
, c% w) d% x: Z6 `  T soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com % f5 Z$ B- [5 m5 I9 P
% U* }) E9 F$ e: a* S1 \) n. r% v soap-diy.com 8 S( P  l" m# ^- l$ Z soap-diy.com Composition(in%) Approx: soap-diy.com ' Z" C- G5 b# q% G4 @6 X! i
C14(Myristic)0-1 soap-diy.com # S( u1 T' ]& L& {" L% S
C16(Palmitic)30-38
  V3 m- {6 `; M5 z9 Q7 D3 } soap-diy.com C18(Stearic)62-70
2 Y4 g. r  _/ p6 s( y0 A$ i soap-diy.com C18'(Oleic)0-1 soap-diy.com , Z4 m: D, H% H: d; j2 R- A soap-diy.com $ C/ h: S$ F' }: Y9 H& {' V' F
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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Test Method:AOCS soap-diy.com 8 m* A  q; l4 n' \

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