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硬脂酸 stearic acid ( 十八酸, 己基癸醇硬脂酸酯)
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  n' c9 z  Q# G: A  x7 |) N3 { soap-diy.com soap-diy.com ( l& C) A  V0 _- s. v
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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 & R! u% l  m4 _/ s! i
存在於許多植物性油脂和動物性油脂中。
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5 `: q/ ^! c% m- Q 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- `2 |: y% N( b6 f
,但可可脂中的含量高達34%。 soap-diy.com $ L/ U! n4 N+ E" O

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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 4 `3 q8 }* x/ A* q3 ]' h8 s0 u1 }

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生產方式 soap-diy.com 1 u8 V# c( n+ X5 O* a& m8 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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1 A' D* @9 j. G5 g. O; q: K! p 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 ; H; J# m5 _2 L" _

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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 + }# u7 O8 T" H. z: ?

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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 & A- t0 u+ V; Y& u- Z% R


" m9 P' b- O2 R5 ?! B 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 * |9 e+ c+ E! U. s


0 c6 t  P; a! U2 m( T$ S& n0 C 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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# z2 Z6 X# e6 m soap-diy.com 硬脂酸在手工皂的功能是增加皂的硬度。
6 m# i3 i2 i! F, E7 ~0 [ 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 * F0 N$ l( v- d7 f# f( y

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: I) @6 ?1 e$ }( n- i% d/ H soap-diy.com 硬脂酸(三壓級) soap-diy.com ! {6 ^  J7 w% i( S
STEARIC ACID

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6 s1 f0 X: ^/ R/ S% Q0 G soap-diy.com Specs No.:703-28602 Product Code:SA1801 Product Form:Beads

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Property: soap-diy.com 1 Q/ Y' s8 R# }
Acid Value 酸值201-213 soap-diy.com 0 Z& j! ~5 D5 Z0 Q$ j
Sapon Value 皂化值202-214
. I, W3 f3 M* H/ |; F4 V% Y soap-diy.com Iodine Value 碘值1.0max.
* {5 I' Q2 r! c; v# j! S* k& d soap-diy.com Titer(℃) 熔點54-56
' I0 t* V* U. M5 K; Q3 V/ ~$ L soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com / l9 `' s5 b1 f' b5 h soap-diy.com % _# N; T0 O; D$ c. W
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Composition(in%) Approx: soap-diy.com ; n! F' \4 K: s$ |8 j
C12(Lauric)& Lower1max. soap-diy.com # F: v* J2 z( N- Z/ s* B0 y- e
C14(Myristic)2max.
, j4 T) ]& P5 D# Z8 t7 T6 A# }& z soap-diy.com C16(Palmitic)68max.
6 y5 b2 D8 K' J' {! j/ L soap-diy.com C18(Stearic)30min. soap-diy.com & u# K* P# @" w& ^0 n% T
C20(Arachidic)1max. soap-diy.com 2 ^8 M* j/ V4 |+ r4 ?
C18'(Oleic)1max.
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( ]% `/ @$ A- h4 [1 W7 b8 I, q+ ~ soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
" n: p+ M4 x$ E' ^- v0 F! a soap-diy.com Test Method:AOCS soap-diy.com . ~8 g& O5 E6 Q' P" _


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0 P+ b3 K. ~! F% v: @  P soap-diy.com 硬脂酸(二壓級) soap-diy.com 1 q, ^; g1 a2 B  W4 Y
STEARIC ACID soap-diy.com , T. ~' F+ b, q
Specs No.:703-28603 Product Code:SA1806 Product Form:Beads

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4 f1 v1 Y  V+ z2 O' ~ soap-diy.com Acid Value 酸值207-214 soap-diy.com . l, H% |. @; l8 ^* T( K
Sapon Value 皂化值208-215
2 P, W4 B/ ]# R  J5 l soap-diy.com Iodine Value 碘值3.0max. soap-diy.com ! M* T8 y( E( p& _& L
Titer(℃) 熔點53min. soap-diy.com 1 `  N- r% ]2 Z7 m: K( R- U
Colour(5 1/4"Lovibond) 顏色Yellow 5.0max. Red 1.5max. soap-diy.com 4 n2 ~/ l% i/ O/ Q* n( ]1 U: R) n" f
2 Z# `$ a2 t1 C/ i* u soap-diy.com 7 w& S1 e0 B) ?% s3 Q" I7 O; }; y soap-diy.com Composition(in%) Approx:
) G5 o/ I7 x# } soap-diy.com C12(Lauric)& Lower1max.
- X7 a. b+ g. T  W0 U soap-diy.com C14(Myristic)2max.
+ e+ v4 V8 _  {# ?! _: s: F3 P soap-diy.com C16(Palmitic)70max. soap-diy.com 2 I: W- F6 D) c( d' W8 ?
C18(Stearic)29min. soap-diy.com 9 O: M: m" g4 W& m! `" l+ a
C20(Arachidic)1max.
0 Q9 ]$ a, M/ K5 x" N+ Z: p soap-diy.com C18'(Oleic)3max. soap-diy.com 4 k% q, x+ m. _. U' ?0 _
; {; o1 i, U1 X+ u& i" o$ X soap-diy.com Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag
4 b! i% @* q0 `: r& z soap-diy.com Test Method:AOCS soap-diy.com ; _+ l/ W% \# n  w1 ^


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& B+ _+ u4 p/ z% X$ o( @/ \9 }1 |' a soap-diy.com 硬脂酸(一壓級) soap-diy.com ' Z7 Y# a, o! Y
STEARIC ACID soap-diy.com ; o3 `8 N6 v1 e( {( Y
Specs No.:703-28604 Product Code:SA1810 Product Form:Beads

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. f- g& B  M, M4 \ soap-diy.com Acid Value 酸值185min.
9 l" M8 O# d, ^  \ soap-diy.com Sapon Value 皂化值186min.
3 U- d( q& {# ?' C8 @: X3 x soap-diy.com Iodine Value 碘值10max.
" D( j7 a- P/ ~. a5 ^0 e2 y5 B soap-diy.com Titer(℃) 熔點50min. soap-diy.com 1 ?) s* t& V: G) M/ M1 c
Colour(Gardner) 顏色7Gardner max. soap-diy.com : w* ], ], h( m8 t7 ]4 Y* ~2 J
2 ]& E1 }; w5 U5 k soap-diy.com " K4 ]3 S: M$ Q0 ^ soap-diy.com Composition(in%) Approx: soap-diy.com 1 s# Y# K! R" A) z4 }
C12(Lauric)& LowerVariable
( K: h' K2 g, |) F- c! D soap-diy.com C14(Myristic)Variable soap-diy.com " T$ `  U' e+ x/ I5 q
C16(Palmitic)Variable soap-diy.com " E3 _6 l4 `: Q, {: V- C
C18(Stearic)Variable soap-diy.com " |' z8 Z/ G, j  L' D$ B) ?% I
C20(Arachidic)Variable soap-diy.com 1 Z8 R$ z3 s2 ]" V0 D' _) R4 C
C18'(Oleic)Variable
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Standard Packing: -- 25kgs net. in PP Woven with PE inner bag -- 600kgs net. in jumbo bag soap-diy.com . [; Z6 k) t7 A2 v. S8 b
Test Method:AOCS
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% p: H% K1 Z% I  W6 h: Q* m soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com ! H" Y' L/ ~2 `8 J& X
STEARIC ACID
2 s; e  ?2 k% j7 W  i" H/ _ soap-diy.com Specs No.:703-28605 Product Code:SA1840 Product Form:Beads

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Property:
7 P( }. n" v3 N soap-diy.com Acid Value 酸值200-212 soap-diy.com / v# l4 o6 R$ Z+ l' E- V, Y
Sapon Value 皂化值201-213
( X( F5 B+ a7 g/ ^: A soap-diy.com Iodine Value 碘值1.0max.
+ D4 B* E3 S' K; d7 m soap-diy.com Titer(℃) 熔點55-57
. L" ]6 n4 I. p8 r5 Q: i6 T& v soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com ; o8 _2 r9 I# y' P
+ a5 Q1 \7 w2 o4 V soap-diy.com ( S( k3 P1 ^! M6 x4 \# }! f soap-diy.com Composition(in%) Approx:
$ @! f* i4 q+ u4 f7 k soap-diy.com C12(Lauric)& Lower1max.
3 s& c* p7 ^- L- _ soap-diy.com C14(Myristic)2max.
4 y) N& ?$ X9 I, T7 W soap-diy.com C16(Palmitic)60max.
8 |. i1 P/ a$ G1 ?. J soap-diy.com C18(Stearic)40min.
2 _  b0 z) r/ S% o! L soap-diy.com C20(Arachidic)1max. soap-diy.com ) V7 w# X( b! f% T/ j; S2 z+ B
C18'(Oleic)1max.
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Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag
# Q% ~2 d) u/ t, B soap-diy.com Test Method:AOCS
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硬脂酸(分餾三壓級) soap-diy.com / m6 K9 K( H  z: T  a  X5 U2 a
STEARIC ACID soap-diy.com 5 d8 I) Y: g% X" y- y) z
Specs No.:703-28606 Product Code:SA1850 Product Form:Beads

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7 u" F$ d4 C, E/ a- @ soap-diy.com Property:
9 n$ c, y0 R' @ soap-diy.com Acid Value 酸值198-210
: g: X* V/ H4 M* h soap-diy.com Sapon Value 皂化值199-211
# h6 a9 m; w3 b  l+ o soap-diy.com Iodine Value 碘值1.0max.
0 C( O( J# N6 D5 C# R$ G soap-diy.com Titer(℃) 熔點55-58 soap-diy.com : k. U8 u, z3 u; V, r8 M) P+ J
Colour(5 1/4"Lovibond) 顏色Yellow 2.0max. Red 0.5max. soap-diy.com 8 b  `, j' |  }2 V- N- z! B2 ^ soap-diy.com 2 P. y1 s$ W) {; q* f+ L
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Composition(in%) Approx:
* ~! O: n. k" w2 }: |+ ~ soap-diy.com C12(Lauric)& Lower1max.
7 H7 z# E5 ]6 Q soap-diy.com C14(Myristic)2max.
! i# t" b! \8 D$ n soap-diy.com C16(Palmitic)53max. soap-diy.com 1 z2 M" Y3 f( c
C18(Stearic)47min.
  z: Q0 W6 `& L4 [# R soap-diy.com C20(Arachidic)1max.
# ~/ ]' d4 ~/ C% Z3 s$ { soap-diy.com C18'(Oleic)1max. soap-diy.com $ ?4 c8 L  E# i# Z) R) W. H. g soap-diy.com & d# m% |$ I6 r3 Q  U
Standard Packing: --25kgs net. in PP Woven with PE inner bag --600kgs net. in jumbo bag soap-diy.com : |! w8 z  U4 J3 M9 ~4 o
Test Method:AOCS soap-diy.com ' d; G, _0 O7 G4 [+ I) r& F( ~" }

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3 ^* }* _8 ^2 Y- t7 v soap-diy.com 硬脂酸(分餾三壓級) soap-diy.com 9 _2 e$ Q  ^9 u6 i9 ~3 Z8 g. n1 k; o1 Y0 r
STEARIC ACID
" ~9 B* t1 ?2 V! M4 b soap-diy.com Specs No.:501-38608 Product Code:SAF1865 Product Form:Beads

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Property: soap-diy.com 3 j  X" ]( U" t7 [
Acid Value 酸值200-208 soap-diy.com + }' T4 _4 @9 ~* W
Sapon Value 皂化值201-209 soap-diy.com 5 N8 U! M, d) h* y7 a' v: D
Iodine Value 碘值1.0max. soap-diy.com 0 T1 w9 G! e& L: B; h" E5 U: {
Titer(℃) 熔點57-61
) i  w6 O2 [* F  y/ I* D4 C soap-diy.com Colour(5 1/4"Lovibond) 顏色Yellow 3.0max. Red 0.5max.
3 b$ X9 N$ x+ p7 Q3 Q, y soap-diy.com soap-diy.com 2 g. r& t, f! g
6 P6 j1 N6 O7 v4 ~- m' o soap-diy.com Composition(in%) Approx:
; R' m% G0 @* ]# O; f/ v- \ soap-diy.com C14(Myristic)0-1
1 d! [8 |' [! ~7 z+ J soap-diy.com C16(Palmitic)30-38
9 Y1 J0 e5 M4 l# e: U7 A soap-diy.com C18(Stearic)62-70
; G4 P8 Y) H3 |8 } soap-diy.com C18'(Oleic)0-1
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4 x# W; m+ k& e! t 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 ~$ ]9 A; a# U. T soap-diy.com Test Method:AOCS soap-diy.com # z" R% [7 \& D+ ^# i, f2 Y

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