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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com 0 T' e  U* @. h/ y# n# K, I
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) w8 M; S, [% I4 o$ H2 w soap-diy.com
. S$ H: G! B, R* I  [/ r6 X% g6 E, d soap-diy.com soap-diy.com 2 E# y( b% j* }4 G/ w9 _1 r
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,
* U0 T- ~. _1 U' `- j! `2 u1 B soap-diy.com 存在於許多植物性油脂和動物性油脂中。 soap-diy.com # j- G/ a  J/ E9 c+ L


3 D4 ~$ u+ P: I, p- ? 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 8 A* G+ K6 G! @
,但可可脂中的含量高達34%。 soap-diy.com ) j0 z' E, w5 D" a. }

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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
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0 D' u8 r/ a# K' E' z: a soap-diy.com 生產方式 soap-diy.com + i; t8 I! k) E0 z* S7 i- e1 V
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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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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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" {$ F2 t4 M# y7 f7 | soap-diy.com 硬脂酸添加比例為3%~5%。 soap-diy.com & i* r  G0 `# e+ ^. Y( K


$ ?  L- V3 L) _  S: w5 P) } soap-diy.com 建議計算氫氧化鈉時,計入硬脂酸皂化價
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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。
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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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; J3 G1 c, _( R2 f; C  u 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。 soap-diy.com 5 `6 o7 d7 C+ p  N
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 0 U; p4 u" ?% Q1 ?
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% d6 R+ I( I* H/ o6 o# s soap-diy.com 硬脂酸(三壓級)
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STEARIC ACID


/ g" a. z4 v$ u. z# j soap-diy.com soap-diy.com 0 Q" {1 D5 a/ @7 i2 B
Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property: soap-diy.com 0 \. }9 }! _" @7 \3 Q: A. e; E
Acid Value 酸值201-213
: ^2 w- g0 D& o1 g; d. F# I$ e soap-diy.com Sapon Value 皂化值202-214 soap-diy.com * J. I4 d" L1 ^, \! u3 e; M: _
Iodine Value 碘值1.0max. soap-diy.com ' O0 b4 B( M8 K2 I) G2 j
Titer(℃) 熔點54-56 soap-diy.com 6 K( S# R5 o+ u8 [8 {/ B
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 5 M1 D: J5 y! I- [! s soap-diy.com * f, C3 E3 H3 F/ t  r
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Composition(in%) Approx: soap-diy.com 9 H. H7 A% H( _& q  i  u3 P3 Q
C12(Lauric)& Lower1max.
& X: `  V  k) y: |( p; m soap-diy.com C14(Myristic)2max.
- K" }, S! |/ q& K) r  y soap-diy.com C16(Palmitic)68max.
* s) \! W+ U& k9 v! f soap-diy.com C18(Stearic)30min.
& D: h  R& E! _/ a6 Z; ?, a5 B( y soap-diy.com C20(Arachidic)1max. soap-diy.com ( W; }4 a3 _7 ~7 u! `
C18'(Oleic)1max. soap-diy.com ' i9 Y' U, o, x  L7 v soap-diy.com % P* q3 U2 u# [0 P, D8 j* `
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com $ K. H1 i2 H' h
Test Method:AOCS
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硬脂酸(二壓級)
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STEARIC ACID soap-diy.com & H$ o  N) r2 z/ i8 M
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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# X( r0 H, R# `7 v! w( U soap-diy.com Property:
% Y/ b: ?- V1 D+ _/ m1 O- P soap-diy.com Acid Value 酸值207-214 soap-diy.com $ j( Y! ^8 q5 b6 t( M, F
Sapon Value 皂化值208-215 soap-diy.com 3 D' M3 L* {3 q- E
Iodine Value 碘值3.0max.
3 e: o% B0 Q* _" b# |+ W soap-diy.com Titer(℃) 熔點53min.
1 s8 |/ n$ d$ S% R soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com ! F- c' J5 t6 v7 L( p: r7 s soap-diy.com ; U$ |# s0 ]% E7 h& {, F
7 N  j$ g$ K& x soap-diy.com Composition(in%) Approx: soap-diy.com 3 C0 M( v" j$ v% E+ f* d0 l- d
C12(Lauric)& Lower1max. soap-diy.com , p0 V4 W+ ~9 W+ V' j# x) i
C14(Myristic)2max.
, w; R0 p( ]' B$ {1 }& C soap-diy.com C16(Palmitic)70max. soap-diy.com   B8 p7 o5 C5 Y0 K6 c
C18(Stearic)29min.
( j8 V/ U1 [+ W- t, b/ d soap-diy.com C20(Arachidic)1max. soap-diy.com 7 x, [! C  K1 ?% u
C18'(Oleic)3max. soap-diy.com - z/ D' M' I5 O7 J
' \* J) X" |) r' M soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
* B4 e$ ~" K( d soap-diy.com Test Method:AOCS
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硬脂酸(一壓級)
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STEARIC ACID
/ T- r. R/ q$ @8 V  i soap-diy.com Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

+ W  v" Q1 G( `/ n1 L/ @ soap-diy.com 6 ]: }- {. s: C) k5 A soap-diy.com Property: soap-diy.com " `# \% c' y0 z- k+ \! n
Acid Value 酸值185min.
* }( w1 @0 d$ L soap-diy.com Sapon Value 皂化值186min. soap-diy.com # E5 H* f8 N) h
Iodine Value 碘值10max. soap-diy.com 1 V4 x& j' M  c' Q. ^6 u
Titer(℃) 熔點50min.
- @9 r3 i$ @. v; u# R& h* p8 e soap-diy.com Colour(Gardner) 顏色7Gardner max. soap-diy.com 9 |" D8 @" f% Y9 f; S" R% C0 q soap-diy.com ) j/ k$ Y% P8 A
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Composition(in%) Approx:
+ `7 S; \1 S- e soap-diy.com C12(Lauric)& LowerVariable soap-diy.com ! V# v6 K! C! W3 v
C14(Myristic)Variable
5 f: r1 m" v% Y) ^9 u) Y soap-diy.com C16(Palmitic)Variable
0 A' S$ T: U- u3 W# \( E4 z, q9 s soap-diy.com C18(Stearic)Variable soap-diy.com ; Q9 |- \: Z7 i
C20(Arachidic)Variable
/ b9 T: H' d5 _% v# A8 e soap-diy.com C18'(Oleic)Variable soap-diy.com $ V' [, u+ e' A
5 \4 Q  {: p  L6 f8 P; m$ v soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com - ]- c4 N% t3 b& k* o  B. T
Test Method:AOCS soap-diy.com # m- m: p" {* B1 r2 G# W


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% f: A) A2 B9 G6 ? soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID soap-diy.com " t: v/ j0 g$ S% T* x
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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' ?; h4 B1 O! b  r$ _ soap-diy.com Property:
. ?2 U( R! e/ T% }/ J5 W, \1 t; t6 M soap-diy.com Acid Value 酸值200-212
5 [: u$ }& N  j, r$ D/ A! y7 V soap-diy.com Sapon Value 皂化值201-213
3 D9 O/ d! C- }/ g7 _# |6 b soap-diy.com Iodine Value 碘值1.0max.
2 T( q2 ]! y0 Z) \3 o soap-diy.com Titer(℃) 熔點55-57
8 v' M4 H9 X: y' } soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com + J) d1 m  K; ~  l2 T: [5 y
0 F- |% m" O' Z! d2 ~6 G1 c0 O soap-diy.com soap-diy.com ; Y% a5 z( l5 O1 U" b
Composition(in%) Approx: soap-diy.com , i+ Q- O6 j3 t, h7 e! A1 O8 h! Z
C12(Lauric)& Lower1max.
7 w- A1 X) U7 y; r# L/ P soap-diy.com C14(Myristic)2max. soap-diy.com - L! ?4 f+ [5 _. m6 w$ Q4 c
C16(Palmitic)60max. soap-diy.com : J7 T7 m: M% n" G3 t! H1 m
C18(Stearic)40min. soap-diy.com / L" }. l+ \$ g7 _1 a: E1 X: ~' a' d
C20(Arachidic)1max. soap-diy.com 3 K8 {& }6 y# q: A
C18'(Oleic)1max.
( w1 I: K  t+ G4 a6 x. y$ T5 [- @ soap-diy.com soap-diy.com 3 M, O. c3 X. ]! B% x; c! s4 c1 q
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com ( p* W7 ?! R' t/ R7 U  }: v" i
Test Method:AOCS
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硬脂酸(分餾三壓級) soap-diy.com ! a" z7 a0 w& b3 {. G
STEARIC ACID
& f/ y6 j& V$ F7 n% F% o soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

8 R7 S7 X$ P0 @8 L0 a; G. K soap-diy.com soap-diy.com 9 {+ K! Y0 e0 Z
Property: soap-diy.com ! g; o7 e: s& R7 b1 `5 O1 F, ~' O
Acid Value 酸值198-210 soap-diy.com % D5 t% n7 k' p2 w% E
Sapon Value 皂化值199-211
+ k1 u0 L2 c! |6 A! r soap-diy.com Iodine Value 碘值1.0max. soap-diy.com ; [; V7 l& z1 v* D" M# P& O
Titer(℃) 熔點55-58
& N  _0 u$ L+ k4 U# m. D1 k soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com - r1 F* {9 c, r4 F soap-diy.com % u, d3 y7 O& v% ]: {
/ q* I- \# }$ h, u" b4 S. i. n: b* h soap-diy.com Composition(in%) Approx:
& H) U& H) Z- S6 k+ K# Z! X) \ soap-diy.com C12(Lauric)& Lower1max.
& a) ?* J6 `$ J  s2 a soap-diy.com C14(Myristic)2max.
" I. z" ~$ C* W) x soap-diy.com C16(Palmitic)53max.
1 B+ o' O! |, u/ J" E# E" s  Q/ p/ d" b soap-diy.com C18(Stearic)47min.
0 t6 W/ ?+ i7 E soap-diy.com C20(Arachidic)1max.
" V7 O' D5 w4 n( V: _9 H soap-diy.com C18'(Oleic)1max.
+ T) Q) x8 C& L- b- D# w( d soap-diy.com
. j" J6 N4 _' n soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com . w/ R" u5 ~( O& w* F
Test Method:AOCS soap-diy.com 0 v: L: t/ \# V  ~1 i& x


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- p: F5 [$ I/ O1 @) w9 _5 e, C soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID
) _/ v5 s7 ?2 D% r6 E soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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2 l  E. x8 p4 t+ m( ?& h3 V soap-diy.com Property:
# l* n, w! w* E( O1 s soap-diy.com Acid Value 酸值200-208 soap-diy.com # M' ?3 |& M+ w+ C
Sapon Value 皂化值201-209 soap-diy.com 8 B/ F: w) Q5 q" s& L
Iodine Value 碘值1.0max. soap-diy.com   v- \( m4 M& H! l0 L" G- J" l7 Q. n
Titer(℃) 熔點57-61
: }9 O. ]# I9 W% N) X3 C( ^ soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max.
6 K( v- v! Z" j* z) s soap-diy.com
4 b' K( [0 f7 ~3 e% P9 F  A% W3 _ soap-diy.com ; p2 T5 y" |) i2 `  C soap-diy.com Composition(in%) Approx: soap-diy.com 8 @/ I7 B6 R1 i( o; b7 v1 h- @
C14(Myristic)0-1
8 w4 Q' ]5 t1 k. ~7 J soap-diy.com C16(Palmitic)30-38
2 z( d  p' ^8 v, k: f soap-diy.com C18(Stearic)62-70 soap-diy.com 3 s5 b! }8 ]; H$ Y( {+ G$ o
C18'(Oleic)0-1 soap-diy.com & o- d9 Z2 t  r+ E* U: u1 Q soap-diy.com " a" r) R# v( o, _
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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2 [* p* Q; B' H( s3 e$ G soap-diy.com Test Method:AOCS
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