Hydroxypropyl Methyl Cellulose for Putty Pure Material
*Good construction performance.
*Good water retention performance and resists base cracking and coating peeling.
*High intensity growth.
*Enough operable time and ensures the wetting performance and recoating performance
Hydroxypropyl methyl cellulose (hpmc) is a non-ionic cellulose combined ether crafted from cotton and timber through alkalization, propylene oxide and methyl chloride etherification. hpmc has suitable dispersing, emulsifying, thickening, bonding, water and glue retention properties, and is used as thickener, dispersant, binder, excipient, oil resistant coating, filler, emulsifier and stabilizer.
Structural formula
(n～2)/2
OR=-OH、-OCH3、-[OCH2CH(CH3)]nOH or-[OCH2CH(CH3)]OCH3
Modified products
Type Item | HPMC |
YT1 | YT100M YT100MN YT1365 YT150MS |
Specification of non modified products
Type Item | HPMC PD/PDS | HPMC PK/PKS | EM/EMS |
Non surface treatment | PD100M PD150M PD200M PD300M | / | EM60M EM70M EM100M EM150M EM200M |
Surface treatment | PD100MS PD150MS PD200MS | PK8000S PK100MS PK150MS PK200MS | EM6000S EM8000S EM10MS EM20MS EM30MS EM60MS EM100MS EM150MS EM200MS |
Gel temperature ℃ | 58.0～64.0 | 70.0～90.0 | 70.0～90.0 |
pH | 5.0～9.0 | 5.0～8.0 | 5.0～9.0 |
Loss on drying % | ≤5.0 | ≤5.0 | ≤5.0 |
Burning residue % | ≤5.0 | ≤5.0 | ≤5.0 |
Bulk density g/L | 330～400 | 350～420 | 350～420 |
Methoxy % | 23.0～25.0 | 19.0～24.0 | 19.0～24.0 |
Hydroxypropyl % | 8.0～11.0 | 4.0～12.0 | / |
Hydroxyethoxy % | / | / | 7.0～10.0 |
Applied to putty characteristics
1. it has good construction performance.
2. it has good water retention performance and resists base cracking and coating peeling.
3. high intensity growth.
4. it has enough operable time and ensures the wetting performance and recoating performance of the putty on the base surface.
HPMC packaging and storage
Barrel or paper plastic bag lined with polyethylene film inner bag.
Net weight of each bag: 25kg.
Protect from sun and rain during storage and transportation.
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