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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯)
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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 5 A1 _9 @+ i: T: B1 q* G0 M: I+ K
存在於許多植物性油脂和動物性油脂中。
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5 G% l2 K9 I0 C: R, @/ e4 N 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 ' E/ x. K9 W# [+ h& p
,但可可脂中的含量高達34%。 soap-diy.com # C' h6 t1 E0 {+ S1 A' e


1 e; C' L: d" L& i0 |3 t  D 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 8 T3 ^) q% m* O$ v' o! ^# ~

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( f. C  j+ `' n1 C" J 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 7 M2 f2 r, t7 {% Q  F1 d

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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 . M8 U, k) [1 i

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硬脂酸添加比例為3%~5%。
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1 q7 I9 R6 T, B. A! K  I soap-diy.com 建議計算氫氧化鈉時,計入硬脂酸皂化價 soap-diy.com 3 n/ _7 \" i" Q9 s7 ?5 V


+ L; ]; _$ M- ` 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。 soap-diy.com / j9 }: d; z" A& d


/ G/ `/ y/ v1 ^' L! _ 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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1 ]4 v- d5 g5 P5 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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硬脂酸在手工皂的功能是增加皂的硬度。
) w/ B+ v+ c  R+ { 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 " y% ^# }* a! E- [

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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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) ?: T! I1 k, I5 D8 i) X soap-diy.com Property: soap-diy.com ) q) I" {* S' @5 z* M9 a
Acid Value 酸值201-213 soap-diy.com ( C' d! N2 `' }9 S( [
Sapon Value 皂化值202-214
7 }- a( Y% q/ d, v0 d soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 3 N1 e# z7 c9 E1 d6 T# e
Titer(℃) 熔點54-56 soap-diy.com ; G2 N' {3 T: |7 {5 y1 h
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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+ x8 Z' i1 n; H0 k- B5 ] soap-diy.com Composition(in%) Approx:
, B- L2 h; ?, u9 Y; G3 w7 u soap-diy.com C12(Lauric)& Lower1max. soap-diy.com . D5 u0 y& U4 Z* e0 C
C14(Myristic)2max.
/ N* q$ q" V! e2 F4 @; i' O soap-diy.com C16(Palmitic)68max. soap-diy.com & Z$ H/ d3 Z7 P7 }+ J1 ~
C18(Stearic)30min.
2 T+ K7 T. U+ J+ @# Z# f soap-diy.com C20(Arachidic)1max. soap-diy.com 4 q) [4 c2 m( S- v
C18'(Oleic)1max. soap-diy.com 9 [  F8 J3 \. P% I2 i' o  P# q soap-diy.com 2 s/ i0 j0 R4 X) p
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com 4 |- m* S- S- x6 t/ }5 V
Test Method:AOCS soap-diy.com & N3 G# a1 k# g

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$ O5 \6 N/ n; T" @ soap-diy.com 硬脂酸(二壓級) soap-diy.com : S) G1 I' ?1 c
STEARIC ACID soap-diy.com ; s) ?! ^/ C  [7 @
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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+ J+ a/ h" m* O; f! @6 G soap-diy.com Property:
! S8 s6 t! Y/ R0 Y. t soap-diy.com Acid Value 酸值207-214
' K5 x9 E4 D1 A. ` soap-diy.com Sapon Value 皂化值208-215
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. i0 M1 E! Y* k" d, C2 n" Q. e! ~ soap-diy.com Titer(℃) 熔點53min.
& r. |. U1 S0 J soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max.
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$ d0 W5 k: Q& ?) y soap-diy.com 0 f9 t4 ?3 `8 B- H% }# X soap-diy.com Composition(in%) Approx:
) P* p; J* p' n+ C; L( }! U5 e+ f0 ? soap-diy.com C12(Lauric)& Lower1max.
7 t2 G5 Q& b* W3 g5 r soap-diy.com C14(Myristic)2max. soap-diy.com 3 c1 n7 q3 j/ D5 [4 u5 d! Z8 w/ k
C16(Palmitic)70max. soap-diy.com   `1 T9 |- e4 F1 z8 j( `  ^
C18(Stearic)29min.
  g* U  C# B" h3 `5 c soap-diy.com C20(Arachidic)1max. soap-diy.com ( B5 I: t: j  y) P  I, E$ g
C18'(Oleic)3max. soap-diy.com ' w- S  W6 U/ B; L; e soap-diy.com ( K; Q  k1 I& x) O5 z/ J
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
- d% t+ y# G# F: K* V soap-diy.com Test Method:AOCS soap-diy.com   r; q- c+ G9 t6 A# T* G- n

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硬脂酸(一壓級) soap-diy.com . s. E9 X/ x# J1 L& Z3 ^" R, h
STEARIC ACID
9 {5 M" o4 \5 b- S. }  b3 ` soap-diy.com Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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Property:
9 _# X- E7 Y. c+ y" `" j) j soap-diy.com Acid Value 酸值185min.
/ a8 F0 \; @: E0 ]6 Q) M3 T4 D* { soap-diy.com Sapon Value 皂化值186min.
4 H3 C) s  e$ K  Z! c soap-diy.com Iodine Value 碘值10max. soap-diy.com 8 a# M0 }/ u0 z) H$ Q6 \
Titer(℃) 熔點50min.
) c1 `8 @; u) ?# j soap-diy.com Colour(Gardner) 顏色7Gardner max.
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Composition(in%) Approx:
" A' d( H) `/ w" n soap-diy.com C12(Lauric)& LowerVariable soap-diy.com 0 C( |$ U  i" F: Y( F
C14(Myristic)Variable
2 y3 r1 B) R& |' M0 S. _ soap-diy.com C16(Palmitic)Variable soap-diy.com : o' X8 Z8 a: g5 N2 Q( D
C18(Stearic)Variable soap-diy.com 3 Z) a% U* M+ y+ I2 [+ T! d4 |
C20(Arachidic)Variable
. S3 `, e! u+ A5 I soap-diy.com C18'(Oleic)Variable soap-diy.com 3 j1 F4 R7 ~1 p4 S2 P
1 U7 C7 ?9 o; n& ]  E! h soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
: H) s4 ?  M) [9 q soap-diy.com Test Method:AOCS
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1 q0 b; W  O6 M9 W* u$ s" t) { soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com $ ?& Y) k1 u# x- \
STEARIC ACID soap-diy.com . `: h" y! P$ A6 P5 J0 C0 i
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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Acid Value 酸值200-212 soap-diy.com + n. ]8 v* U- \
Sapon Value 皂化值201-213 soap-diy.com - i9 j: _! |  r5 F1 P
Iodine Value 碘值1.0max. soap-diy.com - n( J' q3 {3 B
Titer(℃) 熔點55-57 soap-diy.com 3 Q1 F6 D! D! F1 K" {
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 0 k2 I/ [8 D1 j  J) q  U. v
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Composition(in%) Approx: soap-diy.com / S) C+ P) c. \7 J3 W
C12(Lauric)& Lower1max. soap-diy.com 4 ]0 r8 E( X. [$ c* r) z
C14(Myristic)2max. soap-diy.com 3 o# `$ j+ H4 V6 R; M
C16(Palmitic)60max.
' d4 z, i+ |  H soap-diy.com C18(Stearic)40min. soap-diy.com 2 |7 j0 ?& D' |: z) h  D
C20(Arachidic)1max. soap-diy.com / H* ~8 i1 g: N0 f
C18'(Oleic)1max. soap-diy.com 6 N7 R/ G' k/ s4 K soap-diy.com ' j3 y1 k, p0 l
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
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- x/ ~0 f4 R& C$ q- H soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com 9 w) b" q  [1 B9 |6 z' E: F
STEARIC ACID
5 z# O6 U, b5 g& Q% c soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Property: soap-diy.com ! J6 W9 N/ R! k- q3 U0 D6 e! }
Acid Value 酸值198-210
! a/ x4 t6 ^1 ~* ^ soap-diy.com Sapon Value 皂化值199-211
; p! K6 r$ O1 M* f7 \4 ^4 G soap-diy.com Iodine Value 碘值1.0max. soap-diy.com 2 h) ?! [+ Y+ t' k7 K8 m* |7 `
Titer(℃) 熔點55-58
! U7 I9 A$ K4 d3 i: n+ g) Q soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
% ^' `+ S& \- }" F2 [  A soap-diy.com soap-diy.com 9 t* J: {. Z. V( Q4 [
7 A  v/ C, t3 j/ n. I soap-diy.com Composition(in%) Approx: soap-diy.com ' T, D7 J/ }' ~5 e- M3 J6 z% Q
C12(Lauric)& Lower1max.
5 b8 {2 m7 c  h( s soap-diy.com C14(Myristic)2max.
! e: G5 X3 m; ]- d soap-diy.com C16(Palmitic)53max.
! R- \; ?$ M) _8 h  z( v soap-diy.com C18(Stearic)47min.
4 ~4 `+ X$ j  s+ A6 G; Y% u soap-diy.com C20(Arachidic)1max.
* ~; S! T* i. K& X$ h4 q) K 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 soap-diy.com 9 T5 ^5 {: ^% O- j) v
Test Method:AOCS soap-diy.com # w) q* J; b" {! i6 `% f6 }5 I

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2 b7 ~0 R) A7 u: u& ^ soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com ' Z, K6 |, g- o: C0 u! e7 Z) `2 o
STEARIC ACID soap-diy.com . _2 y8 l. B0 }8 @  o; i2 ~& A
Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property:
# c3 }! }8 `' {: B( P0 V soap-diy.com Acid Value 酸值200-208
- k# U) B& Y$ e: ^) e6 r4 `8 ]' G soap-diy.com Sapon Value 皂化值201-209 soap-diy.com . R6 _& D# {3 z' e- G* ?% y/ `
Iodine Value 碘值1.0max.
: J* k8 d/ k+ F  U soap-diy.com Titer(℃) 熔點57-61
: P# v5 p& u$ ?% U9 ^) }1 B; s2 N* j soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max. soap-diy.com - O, k' ]; V$ a" }: B
% Z' ^% L9 X* v6 I: t soap-diy.com . ]3 n6 F2 h: h% P soap-diy.com Composition(in%) Approx: soap-diy.com 5 H& _: L% }* a, m8 F) [) q, j" A, H
C14(Myristic)0-1
5 {$ C4 p- n! M: u/ j2 } soap-diy.com C16(Palmitic)30-38
, O1 w' [- c; q# g8 p$ Z  ` soap-diy.com C18(Stearic)62-70
: J8 x6 m' C# J9 ^ soap-diy.com C18'(Oleic)0-1 soap-diy.com 4 n( ?: A& L: `1 | soap-diy.com * C. w/ e" a$ U
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 6 q# E% X2 c' \' L; x

) W+ E" ]; }1 U6 u8 V& ^ soap-diy.com Test Method:AOCS
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