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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯) soap-diy.com & B! }, Q+ s7 i) o7 \- b

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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,
$ l3 v7 L4 L6 @; D1 i+ w. |7 v soap-diy.com 存在於許多植物性油脂和動物性油脂中。
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( m* E9 ?0 G  N4 @ 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 , T3 w* x$ N# E3 n
,但可可脂中的含量高達34%。 soap-diy.com 1 a& {0 Q; f* T/ e5 ~


7 Z3 I7 r# a4 s9 s2 T 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 soap-diy.com 0 _. T' t" k$ w6 ~( w

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生產方式 soap-diy.com / d0 B% g: g: D) O5 n" i* w* d+ 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。 soap-diy.com ( K1 y. O- Z% P0 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 * H. U# n- K% B/ }( e, c

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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 " e; w" i( t2 G/ J0 P' T

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硬脂酸添加比例為3%~5%。
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; G) S* h: @8 ?, F6 J3 n! y soap-diy.com 建議計算氫氧化鈉時,計入硬脂酸皂化價 soap-diy.com 9 o" _) o  h2 O0 \

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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 * F& m2 Z" f, Z+ I


% s% q- v7 e  i0 C; K% M 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。

: S$ H3 A( J% w- L" h( K2 U soap-diy.com soap-diy.com ; t! X5 b+ @; q* ~5 C) e4 i: X8 N


6 B1 U) H0 w! ]8 G9 w0 s, x& 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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) \6 z- S; J* q' C soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。 soap-diy.com / t( V+ s% e0 J. {, M& [! Z
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)
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STEARIC ACID


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3 n( q7 w9 j3 }9 H( W soap-diy.com Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property:
( q4 x* i3 Q# ^- Z+ G1 ?0 D& `4 H, V soap-diy.com Acid Value 酸值201-213 soap-diy.com 7 ^9 L* r, r7 |- F7 U" v
Sapon Value 皂化值202-214
/ f* ~+ T! c# H8 k+ L8 D& l! D soap-diy.com Iodine Value 碘值1.0max.
5 S5 H9 {$ ]' e2 w! U3 m- \8 _ soap-diy.com Titer(℃) 熔點54-56 soap-diy.com   w$ R, }) K) C  A+ u
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com - \! k# S* b3 ]( e0 V. d soap-diy.com ) }# I: N) S! [. e; G& E1 ^
6 z: i3 R( `0 K soap-diy.com Composition(in%) Approx:
9 \! i% P! M( d# C# y+ D soap-diy.com C12(Lauric)& Lower1max. soap-diy.com " Y  p, z( j# [7 ]/ `. E' H
C14(Myristic)2max.
2 a8 _: `0 @' V" F1 Y4 t soap-diy.com C16(Palmitic)68max.
, C8 C* w  R: [ soap-diy.com C18(Stearic)30min. soap-diy.com + V! p$ o4 l( q
C20(Arachidic)1max. soap-diy.com / r7 Z2 p: f6 i& n9 G  ~% X
C18'(Oleic)1max. soap-diy.com * c7 Y, N! \$ F! [/ p! M1 D, Y$ h soap-diy.com 7 p# v; P$ }' I) l2 x3 \( ~7 B
Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com " W& X) _9 w7 c; k$ F& l( n; p7 Q
Test Method:AOCS
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9 h/ W7 s' `  e& j$ Z6 z soap-diy.com 硬脂酸(二壓級) soap-diy.com - `1 c/ R, k3 M& u
STEARIC ACID soap-diy.com 8 w9 y1 d$ }7 @9 P* ]3 T
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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& z: Q2 J0 ^( H- [- j soap-diy.com Property:
& ?$ R/ S- t7 S% X soap-diy.com Acid Value 酸值207-214
/ N( q( r. t8 ^; k# m) |3 m) ?8 U soap-diy.com Sapon Value 皂化值208-215
; u, b* C1 V2 N9 _- }) ?! H! F2 G soap-diy.com Iodine Value 碘值3.0max.
- ?& J3 ?' o4 V# O% u0 f7 } soap-diy.com Titer(℃) 熔點53min.
$ J4 W) K' F' ]  C5 u soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com 4 T' G9 S3 p0 k2 c# }; n0 I3 m soap-diy.com ; l: \: g+ S) ~6 E! W
+ U! |: a$ d/ v# p& c% u; H/ m* S soap-diy.com Composition(in%) Approx: soap-diy.com 8 N  e$ ?% t8 j# n7 S: [/ D( V* ~8 p
C12(Lauric)& Lower1max. soap-diy.com ( W3 d& S+ z  r& S# U4 _( A" [0 g% o
C14(Myristic)2max. soap-diy.com ; g- l4 Z. v) k. z% m" y
C16(Palmitic)70max. soap-diy.com 4 [; a. l+ B2 [$ L8 [+ ^
C18(Stearic)29min.
; g( Y4 H$ ^* _& k4 o+ o soap-diy.com C20(Arachidic)1max.
7 T- o- u8 p9 H( G0 { soap-diy.com C18'(Oleic)3max. soap-diy.com ' V+ t% l# m- r0 u( U$ ~# d2 C
# }0 K2 o- s  B, e; m" A2 {3 W soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
3 j7 s6 {4 t$ z& E: H soap-diy.com Test Method:AOCS soap-diy.com + X+ C/ j) h: v- h% c. V3 o% p- `% h


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+ ?4 E! g  I% K( w* F1 g/ s soap-diy.com 硬脂酸(一壓級) soap-diy.com " }- ^  \2 b& a
STEARIC ACID
9 Q0 b5 y6 `- n& h/ W9 Q soap-diy.com Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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& O6 ?0 a: a5 S0 Z; j1 \ soap-diy.com Property:
2 r- _, T! G" h4 s soap-diy.com Acid Value 酸值185min. soap-diy.com " F+ ]0 S) P3 N! k' R
Sapon Value 皂化值186min.
1 i' K/ M8 o/ O& b5 A/ V/ V soap-diy.com Iodine Value 碘值10max. soap-diy.com 8 o9 q( i. g% k
Titer(℃) 熔點50min. soap-diy.com ' _' V2 e2 O# h5 o* h) T# b( ]; J2 ~
Colour(Gardner) 顏色7Gardner max.
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1 E6 g& J  Y' \$ K0 V4 | soap-diy.com ( O1 ^  U7 {) S! ~8 g soap-diy.com Composition(in%) Approx:
" y7 ?! A0 @% v. ` soap-diy.com C12(Lauric)& LowerVariable soap-diy.com   P3 h& p+ q% I: O( D$ n9 n' @4 s- @
C14(Myristic)Variable soap-diy.com 5 n. T; H1 v' e6 e- }9 v
C16(Palmitic)Variable soap-diy.com " R5 \$ E8 x& `: ~  O
C18(Stearic)Variable
% U: j5 f$ b" [8 C3 X soap-diy.com C20(Arachidic)Variable soap-diy.com : V+ @) f1 h0 {9 o4 D, \3 e! s( I. t
C18'(Oleic)Variable
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. q) Y- s0 f! r( j4 X soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
& H+ \3 A7 |- J( A soap-diy.com Test Method:AOCS soap-diy.com ; b. g7 n! x8 F# d- @

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硬脂酸(分餾三壓級) soap-diy.com 6 a3 b% r9 K7 S4 O' n9 e& P
STEARIC ACID soap-diy.com ' s$ ]* q; i6 h3 P/ D
Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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Property: soap-diy.com / n9 `4 ^4 a) ?3 D& M
Acid Value 酸值200-212 soap-diy.com ! z' a6 B: o5 e5 \# Y" N, {- V
Sapon Value 皂化值201-213 soap-diy.com 4 Y" ^0 X% d) s% i; r! t
Iodine Value 碘值1.0max. soap-diy.com 8 G+ [9 ?/ q7 C
Titer(℃) 熔點55-57 soap-diy.com / D/ D6 O8 X/ V2 V
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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Composition(in%) Approx:
' Z6 j. J! }, s# V5 Q soap-diy.com C12(Lauric)& Lower1max. soap-diy.com 2 _+ B) p; F" F* V: ]; z7 S
C14(Myristic)2max.
( R& N/ q6 `' ~, g4 p soap-diy.com C16(Palmitic)60max.
2 l8 ^9 F" s4 T& E6 P6 x5 ?' a soap-diy.com C18(Stearic)40min.
/ p  w& G, D7 l9 Y  ~3 O. M soap-diy.com C20(Arachidic)1max. soap-diy.com ! p- \* v# n/ B3 M
C18'(Oleic)1max. soap-diy.com . O# c8 h* n' z8 o, @ soap-diy.com 0 o0 H4 l+ |2 c7 N) m" s
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com % {' m6 Z) s0 F2 N! b
Test Method:AOCS soap-diy.com ! O& I7 [: |, m+ J

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- S/ N0 L1 \- {2 A% W# M soap-diy.com 硬脂酸(分餾三壓級)
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STEARIC ACID
9 A3 e( o3 {) M7 b$ n' L8 z soap-diy.com Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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Property:
) X) c1 M+ H% j' x# T  }% H3 m8 v7 c soap-diy.com Acid Value 酸值198-210 soap-diy.com # g# y7 H7 z* F7 v' W2 P4 h
Sapon Value 皂化值199-211
: j8 O3 E  l5 |/ {6 X$ H& `4 F soap-diy.com Iodine Value 碘值1.0max. soap-diy.com # _8 W+ k% e, `9 \! ]3 J  ?
Titer(℃) 熔點55-58
* d, F4 L' ~8 c( e  _% c8 j6 U& F soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max.
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4 E8 \' d5 T  S. r. d/ x. u" a soap-diy.com Composition(in%) Approx:
6 Q- U& o. U5 P0 L& `5 h soap-diy.com C12(Lauric)& Lower1max. soap-diy.com : S5 w4 ?! L. ?+ j7 H. o0 e
C14(Myristic)2max.
4 k( Y% w% {0 v! E soap-diy.com C16(Palmitic)53max.
  z, O! G' K% h  t5 U soap-diy.com C18(Stearic)47min. soap-diy.com " O* b5 F2 r; \. R$ t/ l
C20(Arachidic)1max. soap-diy.com * B( y7 L) _" t: f/ Z, v
C18'(Oleic)1max. soap-diy.com 6 s" ^: o/ H. ^% H# }
; o7 E" I$ x) p/ H% l$ r soap-diy.com Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
6 D/ I+ E: ~% L, B) G2 K3 X( { soap-diy.com Test Method:AOCS
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$ p+ m, z0 }5 n# _4 |3 g, b1 L soap-diy.com soap-diy.com   N( O& y1 c. h2 D6 i0 o
硬脂酸(分餾三壓級) soap-diy.com 8 k  Y2 U' K+ h% s+ }; j4 X& H0 a
STEARIC ACID
+ ?1 K  ^- u  U  j soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property: soap-diy.com ) o4 K! ]8 I" D
Acid Value 酸值200-208
% M3 P. J2 n% Q  P soap-diy.com Sapon Value 皂化值201-209 soap-diy.com & U+ q1 M" p( a3 `" ]. P7 D' J* a! e
Iodine Value 碘值1.0max. soap-diy.com 9 H7 \; ?3 Q/ h3 u4 P+ _# N
Titer(℃) 熔點57-61
4 u* t9 s4 ^5 v1 M% r8 Z2 b0 i soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max.
# m4 U0 i- ]- B  a3 F1 r( h* \ soap-diy.com
  t5 ~4 d" ?0 d* d. O8 c, u1 z- u soap-diy.com 8 M+ z  v6 `1 O( R. H$ F  U' ] soap-diy.com Composition(in%) Approx: soap-diy.com : x/ u+ _8 h( w
C14(Myristic)0-1
; v9 P- a* v0 J  O soap-diy.com C16(Palmitic)30-38 soap-diy.com   b. X0 c0 V; ]( Q0 m
C18(Stearic)62-70 soap-diy.com 7 |$ L1 T5 h  I4 L& Q4 e) b& Y  @
C18'(Oleic)0-1
% P! Q8 e6 s5 b5 J$ m soap-diy.com
' E0 v7 s5 ]* p 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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Test Method:AOCS soap-diy.com + r1 K% b+ E# f) `0 h


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